./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product24.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_product24.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 bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:19:21,129 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:19:21,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:19:21,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:19:21,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:19:21,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:19:21,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:19:21,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:19:21,176 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:19:21,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:19:21,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:19:21,182 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:19:21,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:19:21,187 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:19:21,188 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:19:21,190 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:19:21,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:19:21,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:19:21,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:19:21,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:19:21,201 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:19:21,202 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:19:21,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:19:21,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:19:21,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:19:21,207 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:19:21,209 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:19:21,209 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:19:21,210 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:19:21,211 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:19:21,212 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:19:21,212 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:19:21,213 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:19:21,214 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:19:21,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:19:21,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:19:21,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:19:21,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:19:21,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:19:21,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:19:21,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:19:21,219 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:19:21,220 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:19:21,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:19:21,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:19:21,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:19:21,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:19:21,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:19:21,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:19:21,260 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:19:21,261 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:19:21,261 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:19:21,261 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:19:21,262 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:19:21,262 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:19:21,262 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:19:21,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:19:21,262 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:19:21,263 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:19:21,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:19:21,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:19:21,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:19:21,263 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:19:21,264 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:19:21,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:19:21,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:19:21,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:19:21,265 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:19:21,266 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:19:21,267 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:19:21,267 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bacd385beffa77b8f8ef1edb48e90e10775e6eeea64904371428d8b002d57b38 [2022-07-13 04:19:21,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:19:21,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:19:21,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:19:21,522 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:19:21,523 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:19:21,524 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2022-07-13 04:19:21,584 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8289fc6/7d1e8a8686574b938b7ad77ea0472581/FLAGf87c5f722 [2022-07-13 04:19:22,049 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:19:22,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product24.cil.c [2022-07-13 04:19:22,065 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8289fc6/7d1e8a8686574b938b7ad77ea0472581/FLAGf87c5f722 [2022-07-13 04:19:22,401 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca8289fc6/7d1e8a8686574b938b7ad77ea0472581 [2022-07-13 04:19:22,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:19:22,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:19:22,405 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:22,405 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:19:22,407 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:19:22,408 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41808ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22, skipping insertion in model container [2022-07-13 04:19:22,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,414 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:19:22,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:19:22,718 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_product24.cil.c[18746,18759] [2022-07-13 04:19:22,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:22,735 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:19:22,819 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_product24.cil.c[18746,18759] [2022-07-13 04:19:22,827 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:22,844 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:19:22,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22 WrapperNode [2022-07-13 04:19:22,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:22,846 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:22,846 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:19:22,846 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:19:22,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,906 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 56, calls inlined = 87, statements flattened = 607 [2022-07-13 04:19:22,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:22,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:19:22,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:19:22,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:19:22,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,937 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,940 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:19:22,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:19:22,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:19:22,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:19:22,956 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:19:22,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:19:23,001 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 04:19:23,002 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 04:19:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:19:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:19:23,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:19:23,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:19:23,105 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:19:23,106 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:19:23,485 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:19:23,496 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:19:23,499 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:19:23,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:23 BoogieIcfgContainer [2022-07-13 04:19:23,502 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:19:23,503 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:19:23,504 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:19:23,507 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:19:23,507 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:23,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:19:22" (1/3) ... [2022-07-13 04:19:23,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f600c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:23, skipping insertion in model container [2022-07-13 04:19:23,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:23,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (2/3) ... [2022-07-13 04:19:23,511 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52f600c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:23, skipping insertion in model container [2022-07-13 04:19:23,511 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:23,511 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:23" (3/3) ... [2022-07-13 04:19:23,513 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product24.cil.c [2022-07-13 04:19:23,584 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:19:23,584 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:19:23,584 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:19:23,584 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:19:23,584 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:19:23,585 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:19:23,585 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:19:23,585 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:19:23,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 04:19:23,630 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-07-13 04:19:23,630 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:23,631 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:23,649 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,649 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,650 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:19:23,650 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 04:19:23,655 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 107 [2022-07-13 04:19:23,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:23,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:23,656 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,657 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,661 INFO L752 eck$LassoCheckResult]: Stem: 147#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 54#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; 58#L272true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 83#L265true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 110#L280true 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; 117#L142true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 137#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 141#L938true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 130#L506-2true [2022-07-13 04:19:23,661 INFO L754 eck$LassoCheckResult]: Loop: 130#L506-2true assume !false; 33#L507true assume test_~splverifierCounter~0#1 < 4; 44#L508true test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 100#L516true assume !(0 != test_~tmp~4#1); 45#L516-2true test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 111#L526true assume !(0 != test_~tmp___0~1#1); 123#L526-2true test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 81#L536true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 146#L492true assume { :end_inline_startSystem } true; 3#L544-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 157#L413true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 7#L948true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 101#L302true assume !(0 != ~pumpRunning~0); 142#L302-2true assume !(0 != ~systemActive~0); 28#L309-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 75#L236true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 121#L959true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 62#L959-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 166#L319true assume { :end_inline_timeShift } true; 130#L506-2true [2022-07-13 04:19:23,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:19:23,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809642057] [2022-07-13 04:19:23,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,777 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,846 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,849 INFO L85 PathProgramCache]: Analyzing trace with hash -664512405, now seen corresponding path program 1 times [2022-07-13 04:19:23,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881995863] [2022-07-13 04:19:23,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:23,915 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 04:19:23,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:23,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881995863] [2022-07-13 04:19:23,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881995863] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:23,916 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:23,916 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:19:23,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796271966] [2022-07-13 04:19:23,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:23,921 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:19:23,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:23,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:19:23,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:19:23,950 INFO L87 Difference]: Start difference. First operand has 165 states, 164 states have (on average 1.3414634146341464) internal successors, (220), 164 states have internal predecessors, (220), 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 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 04:19:24,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:24,007 INFO L93 Difference]: Finished difference Result 314 states and 406 transitions. [2022-07-13 04:19:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:19:24,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 314 states and 406 transitions. [2022-07-13 04:19:24,022 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 204 [2022-07-13 04:19:24,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 314 states to 294 states and 385 transitions. [2022-07-13 04:19:24,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 294 [2022-07-13 04:19:24,030 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 294 [2022-07-13 04:19:24,030 INFO L73 IsDeterministic]: Start isDeterministic. Operand 294 states and 385 transitions. [2022-07-13 04:19:24,032 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:24,032 INFO L369 hiAutomatonCegarLoop]: Abstraction has 294 states and 385 transitions. [2022-07-13 04:19:24,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states and 385 transitions. [2022-07-13 04:19:24,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 291. [2022-07-13 04:19:24,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291 states, 291 states have (on average 1.309278350515464) internal successors, (381), 290 states have internal predecessors, (381), 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 04:19:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 381 transitions. [2022-07-13 04:19:24,076 INFO L392 hiAutomatonCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-07-13 04:19:24,076 INFO L374 stractBuchiCegarLoop]: Abstraction has 291 states and 381 transitions. [2022-07-13 04:19:24,076 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:19:24,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 381 transitions. [2022-07-13 04:19:24,079 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2022-07-13 04:19:24,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:24,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:24,080 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:24,080 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, 1] [2022-07-13 04:19:24,081 INFO L752 eck$LassoCheckResult]: Stem: 663#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 580#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; 581#L272 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 586#L265 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 619#L280 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; 643#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 648#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 659#L938 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 655#L506-2 [2022-07-13 04:19:24,081 INFO L754 eck$LassoCheckResult]: Loop: 655#L506-2 assume !false; 548#L507 assume test_~splverifierCounter~0#1 < 4; 549#L508 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 566#L516 assume !(0 != test_~tmp~4#1); 552#L516-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 567#L526 assume !(0 != test_~tmp___0~1#1); 622#L526-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 616#L536 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 617#L492 assume { :end_inline_startSystem } true; 488#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 489#L413 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 496#L948 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 497#L302 assume !(0 != ~pumpRunning~0); 661#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 532#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 533#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 597#L326-3 assume { :end_inline_processEnvironment__wrappee__base } true; 689#L334-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 645#L360-1 assume { :end_inline_processEnvironment } true; 537#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 538#L236 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 607#L959 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 681#L959-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 680#L319 assume { :end_inline_timeShift } true; 655#L506-2 [2022-07-13 04:19:24,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,082 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:19:24,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270146497] [2022-07-13 04:19:24,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,104 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:24,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,139 INFO L85 PathProgramCache]: Analyzing trace with hash -818157738, now seen corresponding path program 1 times [2022-07-13 04:19:24,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,139 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588116883] [2022-07-13 04:19:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,146 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,152 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:24,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1054302401, now seen corresponding path program 1 times [2022-07-13 04:19:24,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614564645] [2022-07-13 04:19:24,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:24,269 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 04:19:24,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:24,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614564645] [2022-07-13 04:19:24,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614564645] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:24,270 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:24,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:19:24,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519423313] [2022-07-13 04:19:24,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:24,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:24,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:19:24,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:19:24,459 INFO L87 Difference]: Start difference. First operand 291 states and 381 transitions. cyclomatic complexity: 93 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 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 04:19:24,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:24,660 INFO L93 Difference]: Finished difference Result 1413 states and 1845 transitions. [2022-07-13 04:19:24,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 04:19:24,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 1413 states and 1845 transitions. [2022-07-13 04:19:24,674 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 962 [2022-07-13 04:19:24,685 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 1413 states to 1413 states and 1845 transitions. [2022-07-13 04:19:24,685 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 1413 [2022-07-13 04:19:24,688 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 1413 [2022-07-13 04:19:24,688 INFO L73 IsDeterministic]: Start isDeterministic. Operand 1413 states and 1845 transitions. [2022-07-13 04:19:24,694 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:24,694 INFO L369 hiAutomatonCegarLoop]: Abstraction has 1413 states and 1845 transitions. [2022-07-13 04:19:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1413 states and 1845 transitions. [2022-07-13 04:19:24,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1413 to 568. [2022-07-13 04:19:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 568 states have (on average 1.295774647887324) internal successors, (736), 567 states have internal predecessors, (736), 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 04:19:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 736 transitions. [2022-07-13 04:19:24,728 INFO L392 hiAutomatonCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-07-13 04:19:24,729 INFO L374 stractBuchiCegarLoop]: Abstraction has 568 states and 736 transitions. [2022-07-13 04:19:24,729 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:19:24,729 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 568 states and 736 transitions. [2022-07-13 04:19:24,732 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 398 [2022-07-13 04:19:24,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:24,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:24,735 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:24,735 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, 1, 1, 1] [2022-07-13 04:19:24,735 INFO L752 eck$LassoCheckResult]: Stem: 2397#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0; 2308#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; 2309#L272 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2314#L265 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 2349#L280 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; 2376#L142 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 2377#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 2389#L938 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 2393#L506-2 [2022-07-13 04:19:24,736 INFO L754 eck$LassoCheckResult]: Loop: 2393#L506-2 assume !false; 2499#L507 assume test_~splverifierCounter~0#1 < 4; 2498#L508 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 2495#L516 assume !(0 != test_~tmp~4#1); 2493#L516-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 2491#L526 assume !(0 != test_~tmp___0~1#1); 2489#L526-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 2488#L536 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 2486#L544 assume !(0 != test_~tmp___1~0#1); 2487#L544-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 2528#L413 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 2527#L948 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 2526#L302 assume !(0 != ~pumpRunning~0); 2525#L302-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 2523#L360 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 2520#L334-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 2514#L326-3 assume { :end_inline_processEnvironment__wrappee__base } true; 2511#L334-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 2504#L360-1 assume { :end_inline_processEnvironment } true; 2503#L309-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~2#1;havoc getWaterLevel_~retValue_acc~2#1;getWaterLevel_~retValue_acc~2#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~2#1; 2337#L236 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 2338#L959 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 2282#L413-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 2283#L963 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 2501#L959-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 2500#L319 assume { :end_inline_timeShift } true; 2393#L506-2 [2022-07-13 04:19:24,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,736 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-13 04:19:24,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,737 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76367944] [2022-07-13 04:19:24,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,750 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:24,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,761 INFO L85 PathProgramCache]: Analyzing trace with hash -140021021, now seen corresponding path program 1 times [2022-07-13 04:19:24,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,761 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60256052] [2022-07-13 04:19:24,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,766 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:24,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:24,772 INFO L85 PathProgramCache]: Analyzing trace with hash 558224524, now seen corresponding path program 1 times [2022-07-13 04:19:24,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:24,772 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933637875] [2022-07-13 04:19:24,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:24,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,782 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:24,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:27,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:19:27 BoogieIcfgContainer [2022-07-13 04:19:27,603 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:19:27,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:19:27,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:19:27,604 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:19:27,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:23" (3/4) ... [2022-07-13 04:19:27,607 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:19:27,657 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:19:27,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:19:27,658 INFO L158 Benchmark]: Toolchain (without parser) took 5254.72ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 62.7MB in the beginning and 111.9MB in the end (delta: -49.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:27,658 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:27,659 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.57ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 67.4MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,659 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.84ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 64.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,660 INFO L158 Benchmark]: Boogie Preprocessor took 30.97ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 61.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,660 INFO L158 Benchmark]: RCFGBuilder took 560.90ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 40.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,660 INFO L158 Benchmark]: BuchiAutomizer took 4100.84ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 40.2MB in the beginning and 115.1MB in the end (delta: -74.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,660 INFO L158 Benchmark]: Witness Printer took 53.78ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 111.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:19:27,662 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 100.7MB. Free memory is still 80.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.57ms. Allocated memory is still 100.7MB. Free memory was 62.5MB in the beginning and 67.4MB in the end (delta: -4.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.84ms. Allocated memory is still 100.7MB. Free memory was 67.4MB in the beginning and 64.0MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.97ms. Allocated memory is still 100.7MB. Free memory was 64.0MB in the beginning and 61.5MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 560.90ms. Allocated memory is still 100.7MB. Free memory was 61.5MB in the beginning and 40.2MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4100.84ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 40.2MB in the beginning and 115.1MB in the end (delta: -74.9MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 53.78ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 111.9MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. 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 5 locations. The remainder module has 568 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 848 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, 1107 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1107 mSDsluCounter, 1814 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1304 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 130 IncrementalHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 510 mSDtfsCounter, 130 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 506]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eec70cd=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d605c9a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d4b7a4d=0, methaneLevelCritical=0, retValue_acc=0, tmp=1, retValue_acc=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2766c6ec=0, tmp___2=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f60a6a=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, tmp=1, \result=0, tmp___0=0, tmp=0, head=0, \result=1, retValue_acc=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11aa11a7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f8c1f=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ee3cf60=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aca6383=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b1bf7f6=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 506]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L161] int waterLevel = 1; [L162] int methaneLevelCritical = 0; [L290] int pumpRunning = 0; [L291] int systemActive = 1; [L734] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L932] int switchedOnBeforeTS ; [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L276] int retValue_acc ; [L279] retValue_acc = 1 [L280] 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() [L937] switchedOnBeforeTS = 0 [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L497] int splverifierCounter ; [L498] int tmp ; [L499] int tmp___0 ; [L500] int tmp___1 ; [L501] int tmp___2 ; [L504] splverifierCounter = 0 Loop: [L506] COND TRUE 1 [L508] COND TRUE splverifierCounter < 4 [L514] tmp = __VERIFIER_nondet_int() [L516] COND FALSE !(\read(tmp)) [L524] tmp___0 = __VERIFIER_nondet_int() [L526] COND FALSE !(\read(tmp___0)) [L534] tmp___2 = __VERIFIER_nondet_int() [L536] COND FALSE !(\read(tmp___2)) [L542] tmp___1 = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp___1)) [L553] CALL timeShift() [L300] CALL __utac_acc__Specification5_spec__2() [L946] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L946] RET, EXPR isPumpRunning() [L946] switchedOnBeforeTS = isPumpRunning() [L300] RET __utac_acc__Specification5_spec__2() [L302] COND FALSE !(\read(pumpRunning)) [L309] COND TRUE \read(systemActive) [L311] CALL processEnvironment() [L357] int tmp ; [L360] COND FALSE !(\read(pumpRunning)) [L375] CALL processEnvironment__wrappee__lowWaterSensor() [L331] int tmp ; [L334] COND FALSE !(\read(pumpRunning)) [L349] FCALL processEnvironment__wrappee__base() [L375] RET processEnvironment__wrappee__lowWaterSensor() [L311] RET processEnvironment() [L317] CALL __utac_acc__Specification5_spec__3() [L952] int tmp ; [L953] int tmp___0 ; [L957] CALL, EXPR getWaterLevel() [L232] int retValue_acc ; [L235] retValue_acc = waterLevel [L236] return (retValue_acc); [L957] RET, EXPR getWaterLevel() [L957] tmp = getWaterLevel() [L959] COND TRUE tmp != 2 [L961] CALL, EXPR isPumpRunning() [L409] int retValue_acc ; [L412] retValue_acc = pumpRunning [L413] return (retValue_acc); [L961] RET, EXPR isPumpRunning() [L961] tmp___0 = isPumpRunning() [L963] COND FALSE !(\read(tmp___0)) [L317] RET __utac_acc__Specification5_spec__3() [L553] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:19:27,707 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)