./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8d31f386 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_spec1_product16.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 68aa035b1d1dd9e3f4370c219765c8518f721ed8 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Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.multireach-323-8d31f38 [2021-07-06 20:10:35,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:10:35,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:10:35,081 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:10:35,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:10:35,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:10:35,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:10:35,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:10:35,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:10:35,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:10:35,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:10:35,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:10:35,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:10:35,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:10:35,101 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:10:35,102 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:10:35,104 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:10:35,105 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:10:35,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:10:35,133 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:10:35,134 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:10:35,135 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:10:35,136 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:10:35,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:10:35,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:10:35,138 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:10:35,138 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:10:35,138 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:10:35,139 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:10:35,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:10:35,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:10:35,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:10:35,140 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:10:35,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:10:35,143 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:10:35,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:10:35,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:10:35,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:10:35,144 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:10:35,145 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:10:35,146 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:10:35,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:10:35,196 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:10:35,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:10:35,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:10:35,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:10:35,198 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:10:35,198 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:10:35,198 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:10:35,198 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:10:35,199 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:10:35,199 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:10:35,199 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:10:35,200 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:10:35,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:10:35,207 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:10:35,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:10:35,208 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:10:35,208 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:10:35,208 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:10:35,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:10:35,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:10:35,210 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:10:35,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:10:35,210 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:10:35,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:10:35,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:10:35,211 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:10:35,211 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:10:35,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:10:35,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:10:35,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:10:35,212 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:10:35,212 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68aa035b1d1dd9e3f4370c219765c8518f721ed8 [2021-07-06 20:10:35,610 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:10:35,628 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:10:35,632 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:10:35,633 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:10:35,633 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:10:35,634 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-07-06 20:10:35,700 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c10fb655/87f0f737c218452cacbf35845f358295/FLAG85b5390b2 [2021-07-06 20:10:36,251 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:10:36,251 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product16.cil.c [2021-07-06 20:10:36,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c10fb655/87f0f737c218452cacbf35845f358295/FLAG85b5390b2 [2021-07-06 20:10:36,722 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c10fb655/87f0f737c218452cacbf35845f358295 [2021-07-06 20:10:36,727 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:10:36,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:10:36,729 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:10:36,729 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:10:36,731 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:10:36,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:10:36" (1/1) ... [2021-07-06 20:10:36,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6180e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:36, skipping insertion in model container [2021-07-06 20:10:36,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:10:36" (1/1) ... [2021-07-06 20:10:36,754 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:10:36,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:10:37,101 WARN L224 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_spec1_product16.cil.c[4577,4590] [2021-07-06 20:10:37,228 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:10:37,237 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:10:37,278 WARN L224 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_spec1_product16.cil.c[4577,4590] [2021-07-06 20:10:37,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:10:37,379 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:10:37,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37 WrapperNode [2021-07-06 20:10:37,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:10:37,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:10:37,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:10:37,395 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:10:37,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,469 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:10:37,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:10:37,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:10:37,489 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:10:37,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,564 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,578 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,580 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:10:37,580 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:10:37,580 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:10:37,580 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:10:37,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (1/1) ... [2021-07-06 20:10:37,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:10:37,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:10:37,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-07-06 20:10:37,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-07-06 20:10:37,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:10:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:10:37,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:10:37,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:10:38,418 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:10:38,419 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-07-06 20:10:38,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:38 BoogieIcfgContainer [2021-07-06 20:10:38,420 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:10:38,421 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:10:38,421 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:10:38,423 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:10:38,423 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:38,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:10:36" (1/3) ... [2021-07-06 20:10:38,424 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40289b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:10:38, skipping insertion in model container [2021-07-06 20:10:38,424 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:38,424 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:10:37" (2/3) ... [2021-07-06 20:10:38,430 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40289b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:10:38, skipping insertion in model container [2021-07-06 20:10:38,431 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:10:38,431 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:38" (3/3) ... [2021-07-06 20:10:38,432 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product16.cil.c [2021-07-06 20:10:38,464 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:10:38,465 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:10:38,465 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:10:38,465 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:10:38,465 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:10:38,465 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:10:38,465 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:10:38,465 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:10:38,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:10:38,495 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-07-06 20:10:38,495 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:10:38,495 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:10:38,500 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:10:38,501 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:10:38,501 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:10:38,501 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:10:38,510 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-07-06 20:10:38,510 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:10:38,510 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:10:38,511 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:10:38,511 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:10:38,518 INFO L791 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 5#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 67#L181true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 59#L189true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 41#L279true assume 0 != main_~tmp~1; 6#L255true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 65#L138-1true [2021-07-06 20:10:38,519 INFO L793 eck$LassoCheckResult]: Loop: 65#L138-1true assume !false; 21#L856true assume test_~splverifierCounter~0 < 4; 31#L857true test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 58#L865true assume !(0 != test_~tmp~7); 64#L865-1true test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 34#L875true assume !(0 != test_~tmp___0~1); 35#L875-1true test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 25#L885true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 29#L893-1true assume !(0 != ~pumpRunning~0); 68#L679true assume !(0 != ~systemActive~0); 48#L686true havoc __utac_acc__Specification1_spec__1_#t~ret17, __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 3#L91-1true __utac_acc__Specification1_spec__1_#t~ret17 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret17;havoc __utac_acc__Specification1_spec__1_#t~ret17; 7#L138true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 65#L138-1true [2021-07-06 20:10:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:38,524 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:10:38,529 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:38,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555501] [2021-07-06 20:10:38,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:38,530 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:38,665 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:38,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:38,706 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:38,754 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:38,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:38,763 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2021-07-06 20:10:38,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:38,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14610284] [2021-07-06 20:10:38,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:38,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:10:38,829 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:38,840 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:10:38,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:38,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:10:38,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:38,878 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:10:38,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-06 20:10:38,888 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:10:38,889 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14610284] [2021-07-06 20:10:38,889 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14610284] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:10:38,889 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:10:38,890 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:10:38,890 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267079897] [2021-07-06 20:10:38,893 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-07-06 20:10:38,894 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:10:38,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 20:10:38,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 20:10:38,903 INFO L87 Difference]: Start difference. First operand has 68 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 67 states have internal predecessors, (102), 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 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:10:38,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:10:38,974 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2021-07-06 20:10:38,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 20:10:38,976 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2021-07-06 20:10:38,981 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2021-07-06 20:10:38,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2021-07-06 20:10:38,988 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2021-07-06 20:10:38,988 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2021-07-06 20:10:38,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2021-07-06 20:10:38,994 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:10:38,994 INFO L681 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2021-07-06 20:10:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2021-07-06 20:10:39,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2021-07-06 20:10:39,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 114 states have (on average 1.4210526315789473) internal successors, (162), 113 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-06 20:10:39,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2021-07-06 20:10:39,017 INFO L704 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2021-07-06 20:10:39,017 INFO L587 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2021-07-06 20:10:39,017 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:10:39,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2021-07-06 20:10:39,018 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2021-07-06 20:10:39,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:10:39,019 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:10:39,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:10:39,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:10:39,019 INFO L791 eck$LassoCheckResult]: Stem: 241#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 211#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 212#L181 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 270#L189 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 260#L279 assume 0 != main_~tmp~1; 213#L255 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 214#L138-1 [2021-07-06 20:10:39,020 INFO L793 eck$LassoCheckResult]: Loop: 214#L138-1 assume !false; 300#L856 assume test_~splverifierCounter~0 < 4; 301#L857 test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 320#L865 assume !(0 != test_~tmp~7); 318#L865-1 test_~tmp___0~1 := test_#t~nondet76;havoc test_#t~nondet76; 317#L875 assume !(0 != test_~tmp___0~1); 315#L875-1 test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 314#L885 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 239#L893-1 assume !(0 != ~pumpRunning~0); 310#L679 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 308#L711 assume !(0 != ~pumpRunning~0); 306#L686 havoc __utac_acc__Specification1_spec__1_#t~ret17, __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 305#L91-1 __utac_acc__Specification1_spec__1_#t~ret17 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret17;havoc __utac_acc__Specification1_spec__1_#t~ret17; 303#L138 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 214#L138-1 [2021-07-06 20:10:39,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:39,020 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-07-06 20:10:39,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:39,020 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411135230] [2021-07-06 20:10:39,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:39,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,084 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,177 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:39,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:39,197 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2021-07-06 20:10:39,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:39,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305315344] [2021-07-06 20:10:39,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:39,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,205 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,207 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:39,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:10:39,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2021-07-06 20:10:39,217 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:10:39,217 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343983600] [2021-07-06 20:10:39,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:10:39,218 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:10:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,257 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:10:39,299 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:10:39,321 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:10:39,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:10:39,376 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-07-06 20:11:22,206 WARN L205 SmtUtils]: Spent 42.79 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:11:22,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:11:22,304 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:11:43,777 WARN L205 SmtUtils]: Spent 21.47 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:11:43,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:11:43 BoogieIcfgContainer [2021-07-06 20:11:43,894 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:11:43,895 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:11:43,895 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:11:43,895 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:11:43,895 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:10:38" (3/4) ... [2021-07-06 20:11:43,897 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:11:43,944 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:11:43,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:11:43,945 INFO L168 Benchmark]: Toolchain (without parser) took 67216.69 ms. Allocated memory was 58.7 MB in the beginning and 94.4 MB in the end (delta: 35.7 MB). Free memory was 41.5 MB in the beginning and 43.8 MB in the end (delta: -2.2 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,946 INFO L168 Benchmark]: CDTParser took 1.18 ms. Allocated memory is still 46.1 MB. Free memory was 27.7 MB in the beginning and 27.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:11:43,946 INFO L168 Benchmark]: CACSL2BoogieTranslator took 665.12 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 31.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,946 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.24 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 28.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,947 INFO L168 Benchmark]: Boogie Preprocessor took 90.78 ms. Allocated memory is still 58.7 MB. Free memory was 28.1 MB in the beginning and 39.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,947 INFO L168 Benchmark]: RCFGBuilder took 839.83 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 39.7 MB in the beginning and 37.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,948 INFO L168 Benchmark]: BuchiAutomizer took 65473.50 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 45.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,948 INFO L168 Benchmark]: Witness Printer took 49.93 ms. Allocated memory is still 94.4 MB. Free memory was 45.9 MB in the beginning and 43.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:11:43,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.18 ms. Allocated memory is still 46.1 MB. Free memory was 27.7 MB in the beginning and 27.6 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 665.12 ms. Allocated memory is still 58.7 MB. Free memory was 41.4 MB in the beginning and 31.0 MB in the end (delta: 10.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.24 ms. Allocated memory is still 58.7 MB. Free memory was 30.9 MB in the beginning and 28.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 90.78 ms. Allocated memory is still 58.7 MB. Free memory was 28.1 MB in the beginning and 39.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 839.83 ms. Allocated memory was 58.7 MB in the beginning and 77.6 MB in the end (delta: 18.9 MB). Free memory was 39.7 MB in the beginning and 37.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 65473.50 ms. Allocated memory was 77.6 MB in the beginning and 94.4 MB in the end (delta: 16.8 MB). Free memory was 37.8 MB in the beginning and 45.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 40.1 MB. Max. memory is 16.1 GB. * Witness Printer took 49.93 ms. Allocated memory is still 94.4 MB. Free memory was 45.9 MB in the beginning and 43.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 65.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 65.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 13.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 45.2ms Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 855]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=10630} State at position 1 is {NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=10631, NULL=10630, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=10654, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@205bf0e4=0, NULL=10655, methaneLevelCritical=0, NULL=10652, NULL=10639, NULL=0, NULL=0, tmp=0, NULL=10656, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56e1142e=0, tmp___0=0, NULL=10645, cleanupTimeShifts=4, NULL=10642, NULL=10638, NULL=10646, NULL=10632, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@388dadac=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@521a533b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@530036cc=78, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=10641, NULL=0, NULL=10644, NULL=0, NULL=0, NULL=10634, NULL=0, NULL=10649, \result=1, head=0, pumpRunning=0, NULL=10640, \result=0, NULL=10633, NULL=10658, NULL=10653, tmp=1, NULL=0, NULL=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72bf8918=0, NULL=10643, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@747229a5=0, retValue_acc=1, NULL=0, NULL=0, NULL=10650, tmp___2=78, tmp___0=0, splverifierCounter=0, NULL=0, \result=0, NULL=10651, NULL=10657, head=0, tmp=0, NULL=0, NULL=10647, NULL=10637, NULL=10648, NULL=10635, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42dca5a2=0, NULL=10636} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L194] int cleanupTimeShifts = 4; [L471] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L672] int pumpRunning = 0; [L673] int systemActive = 1; [L270] int retValue_acc ; [L271] int tmp ; [L185] int retValue_acc ; [L188] retValue_acc = 1 [L189] return (retValue_acc); [L277] tmp = valid_product() [L279] COND TRUE \read(tmp) [L846] int splverifierCounter ; [L847] int tmp ; [L848] int tmp___0 ; [L849] int tmp___1 ; [L850] int tmp___2 ; [L853] splverifierCounter = 0 Loop: [L855] COND TRUE 1 [L857] COND TRUE splverifierCounter < 4 [L863] tmp = __VERIFIER_nondet_int() [L865] COND FALSE !(\read(tmp)) [L873] tmp___0 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___0)) [L883] tmp___2 = __VERIFIER_nondet_int() [L885] COND TRUE \read(tmp___2) [L840] systemActive = 1 [L679] COND FALSE !(\read(pumpRunning)) [L686] COND TRUE \read(systemActive) [L708] int tmp ; [L711] COND FALSE !(\read(pumpRunning)) [L131] int tmp ; [L132] int tmp___0 ; [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] return (retValue_acc); [L136] tmp = isMethaneLevelCritical() [L138] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:11:44,009 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...