./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_spec4_product28.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 be998c7f0ff858151615865f07914b789231e9b9 ........................................................................................................................................................................................................................................................................................................................................................................................... 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 20:28:58,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-06 20:28:58,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-06 20:28:58,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-06 20:28:58,660 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-06 20:28:58,662 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-06 20:28:58,664 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-06 20:28:58,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-06 20:28:58,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-06 20:28:58,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-06 20:28:58,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-06 20:28:58,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-06 20:28:58,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-06 20:28:58,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-06 20:28:58,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-06 20:28:58,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-06 20:28:58,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-06 20:28:58,680 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-06 20:28:58,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-06 20:28:58,686 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-06 20:28:58,687 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-06 20:28:58,688 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-06 20:28:58,689 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-06 20:28:58,690 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-06 20:28:58,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-06 20:28:58,696 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-06 20:28:58,696 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-06 20:28:58,697 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-06 20:28:58,698 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-06 20:28:58,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-06 20:28:58,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-06 20:28:58,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-06 20:28:58,700 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-06 20:28:58,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-06 20:28:58,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-06 20:28:58,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-06 20:28:58,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-06 20:28:58,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-06 20:28:58,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-06 20:28:58,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-06 20:28:58,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-06 20:28:58,707 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-07-06 20:28:58,734 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-06 20:28:58,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-06 20:28:58,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-06 20:28:58,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-06 20:28:58,736 INFO L138 SettingsManager]: * Use SBE=true [2021-07-06 20:28:58,737 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-07-06 20:28:58,737 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-07-06 20:28:58,737 INFO L138 SettingsManager]: * Use old map elimination=false [2021-07-06 20:28:58,737 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-07-06 20:28:58,737 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-07-06 20:28:58,738 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-07-06 20:28:58,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-06 20:28:58,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-07-06 20:28:58,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-07-06 20:28:58,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-07-06 20:28:58,741 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-06 20:28:58,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-06 20:28:58,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-07-06 20:28:58,744 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-06 20:28:58,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-07-06 20:28:58,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-06 20:28:58,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-06 20:28:58,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-06 20:28:58,745 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-06 20:28:58,745 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-07-06 20:28:58,746 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-07-06 20:28:58,747 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be998c7f0ff858151615865f07914b789231e9b9 [2021-07-06 20:28:58,962 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-06 20:28:58,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-06 20:28:58,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-06 20:28:58,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-06 20:28:58,977 INFO L275 PluginConnector]: CDTParser initialized [2021-07-06 20:28:58,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-07-06 20:28:59,018 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee1fb6b8/f70b5848e7bc4a4280bab3c91e2e9c96/FLAG23af87fbd [2021-07-06 20:28:59,404 INFO L306 CDTParser]: Found 1 translation units. [2021-07-06 20:28:59,404 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2021-07-06 20:28:59,411 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee1fb6b8/f70b5848e7bc4a4280bab3c91e2e9c96/FLAG23af87fbd [2021-07-06 20:28:59,791 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee1fb6b8/f70b5848e7bc4a4280bab3c91e2e9c96 [2021-07-06 20:28:59,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-06 20:28:59,794 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-07-06 20:28:59,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-06 20:28:59,795 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-06 20:28:59,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-06 20:28:59,798 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:28:59" (1/1) ... [2021-07-06 20:28:59,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57bdf7a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:28:59, skipping insertion in model container [2021-07-06 20:28:59,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.07 08:28:59" (1/1) ... [2021-07-06 20:28:59,803 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-06 20:28:59,843 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-06 20:28:59,929 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_spec4_product28.cil.c[1281,1294] [2021-07-06 20:29:00,063 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:29:00,074 INFO L203 MainTranslator]: Completed pre-run [2021-07-06 20:29:00,087 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_spec4_product28.cil.c[1281,1294] [2021-07-06 20:29:00,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-06 20:29:00,166 INFO L208 MainTranslator]: Completed translation [2021-07-06 20:29:00,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00 WrapperNode [2021-07-06 20:29:00,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-06 20:29:00,168 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-06 20:29:00,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-06 20:29:00,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-06 20:29:00,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-06 20:29:00,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-06 20:29:00,236 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-06 20:29:00,236 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-06 20:29:00,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,253 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,253 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,261 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,277 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-06 20:29:00,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-06 20:29:00,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-06 20:29:00,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-06 20:29:00,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (1/1) ... [2021-07-06 20:29:00,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-07-06 20:29:00,288 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-07-06 20:29:00,297 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 20:29:00,310 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 20:29:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-06 20:29:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-06 20:29:00,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-06 20:29:00,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-06 20:29:00,830 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-06 20:29:00,830 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-07-06 20:29:00,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:29:00 BoogieIcfgContainer [2021-07-06 20:29:00,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-06 20:29:00,832 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-07-06 20:29:00,832 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-07-06 20:29:00,834 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-07-06 20:29:00,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:29:00,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.07 08:28:59" (1/3) ... [2021-07-06 20:29:00,835 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@90334f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:29:00, skipping insertion in model container [2021-07-06 20:29:00,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:29:00,835 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.07 08:29:00" (2/3) ... [2021-07-06 20:29:00,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@90334f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.07 08:29:00, skipping insertion in model container [2021-07-06 20:29:00,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-07-06 20:29:00,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:29:00" (3/3) ... [2021-07-06 20:29:00,837 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2021-07-06 20:29:00,861 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-07-06 20:29:00,861 INFO L360 BuchiCegarLoop]: Hoare is false [2021-07-06 20:29:00,861 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-07-06 20:29:00,861 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-06 20:29:00,861 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-06 20:29:00,862 INFO L364 BuchiCegarLoop]: Difference is false [2021-07-06 20:29:00,862 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-06 20:29:00,862 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-07-06 20:29:00,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 20:29:00,884 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:29:00,884 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:29:00,884 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:29:00,889 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:29:00,889 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:29:00,889 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-07-06 20:29:00,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 20:29:00,892 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-07-06 20:29:00,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:29:00,893 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:29:00,893 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:29:00,893 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:29:00,896 INFO L791 eck$LassoCheckResult]: Stem: 29#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #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(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 56#L470true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 60#L478true main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 33#L860true assume 0 != main_~tmp~7; 49#L836true havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 9#L427-1true [2021-07-06 20:29:00,897 INFO L793 eck$LassoCheckResult]: Loop: 9#L427-1true assume !false; 27#L885true assume test_~splverifierCounter~0 < 4; 40#L886true test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 43#L894true assume !(0 != test_~tmp~8); 45#L894-1true test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 30#L904true assume !(0 != test_~tmp___0~2); 31#L904-1true test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 11#L914true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 22#L922-1true assume !(0 != ~pumpRunning~0); 58#L500true assume !(0 != ~systemActive~0); 70#L507true havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 71#L763true __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 6#L427true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 9#L427-1true [2021-07-06 20:29:00,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:29:00,900 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-07-06 20:29:00,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:29:00,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966150831] [2021-07-06 20:29:00,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:29:00,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:29:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,084 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,153 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:29:01,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:29:01,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2021-07-06 20:29:01,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:29:01,175 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114759162] [2021-07-06 20:29:01,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:29:01,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:29:01,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-06 20:29:01,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:01,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:29:01,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:01,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-07-06 20:29:01,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:01,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-07-06 20:29:01,207 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 20:29:01,207 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-06 20:29:01,207 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114759162] [2021-07-06 20:29:01,208 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114759162] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-06 20:29:01,208 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-06 20:29:01,208 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-06 20:29:01,208 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306298374] [2021-07-06 20:29:01,211 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-07-06 20:29:01,212 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-06 20:29:01,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-06 20:29:01,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-06 20:29:01,221 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 20:29:01,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-06 20:29:01,252 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-07-06 20:29:01,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-06 20:29:01,254 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-07-06 20:29:01,257 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2021-07-06 20:29:01,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2021-07-06 20:29:01,261 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2021-07-06 20:29:01,263 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2021-07-06 20:29:01,264 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2021-07-06 20:29:01,265 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-07-06 20:29:01,265 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2021-07-06 20:29:01,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2021-07-06 20:29:01,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-07-06 20:29:01,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.4285714285714286) internal successors, (180), 125 states have internal predecessors, (180), 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 20:29:01,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2021-07-06 20:29:01,296 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-07-06 20:29:01,296 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-07-06 20:29:01,296 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-07-06 20:29:01,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2021-07-06 20:29:01,302 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-07-06 20:29:01,302 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-07-06 20:29:01,302 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-07-06 20:29:01,303 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-07-06 20:29:01,303 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-07-06 20:29:01,303 INFO L791 eck$LassoCheckResult]: Stem: 265#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(13);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string51.base, #t~string51.offset, 1);call write~init~int(110, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 2 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(102, #t~string53.base, 2 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 3 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string55.base, #t~string55.offset, 1);call write~init~int(80, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(117, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(109, #t~string55.base, 3 + #t~string55.offset, 1);call write~init~int(112, #t~string55.base, 4 + #t~string55.offset, 1);call write~init~int(58, #t~string55.base, 5 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 6 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string57.base, #t~string57.offset, 1);call write~init~int(110, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string59.base, #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 1 + #t~string59.offset, 1);call write~init~int(102, #t~string59.base, 2 + #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 3 + #t~string59.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string61.base, #t~string61.offset, 1);call write~init~int(32, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string63.base, #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 1 + #t~string63.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #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(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 238#L-1 havoc main_#res;havoc main_#t~ret75, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 239#L470 havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 289#L478 main_#t~ret75 := valid_product_#res;main_~tmp~7 := main_#t~ret75;havoc main_#t~ret75; 269#L860 assume 0 != main_~tmp~7; 270#L836 havoc test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_#t~nondet79, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 233#L427-1 [2021-07-06 20:29:01,304 INFO L793 eck$LassoCheckResult]: Loop: 233#L427-1 assume !false; 237#L885 assume test_~splverifierCounter~0 < 4; 262#L886 test_~tmp~8 := test_#t~nondet76;havoc test_#t~nondet76; 273#L894 assume !(0 != test_~tmp~8); 259#L894-1 test_~tmp___0~2 := test_#t~nondet77;havoc test_#t~nondet77; 266#L904 assume !(0 != test_~tmp___0~2); 267#L904-1 test_~tmp___2~0 := test_#t~nondet78;havoc test_#t~nondet78; 240#L914 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 241#L922-1 assume !(0 != ~pumpRunning~0); 230#L500 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret45, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 274#L532 assume !(0 != ~pumpRunning~0); 275#L507 havoc __utac_acc__Specification4_spec__1_#t~ret42, __utac_acc__Specification4_spec__1_#t~ret43, __utac_acc__Specification4_spec__1_~tmp~3, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~3;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 296#L763 __utac_acc__Specification4_spec__1_#t~ret42 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~3 := __utac_acc__Specification4_spec__1_#t~ret42;havoc __utac_acc__Specification4_spec__1_#t~ret42; 231#L427 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~3); 233#L427-1 [2021-07-06 20:29:01,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:29:01,304 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-07-06 20:29:01,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:29:01,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6201749] [2021-07-06 20:29:01,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:29:01,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:29:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,350 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,392 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,411 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:29:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:29:01,418 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2021-07-06 20:29:01,418 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:29:01,418 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563366621] [2021-07-06 20:29:01,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:29:01,420 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:29:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,425 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,427 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,429 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:29:01,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-06 20:29:01,429 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2021-07-06 20:29:01,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-06 20:29:01,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206687948] [2021-07-06 20:29:01,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-06 20:29:01,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-07-06 20:29:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,453 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-06 20:29:01,471 INFO L224 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-06 20:29:01,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-06 20:29:01,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:01,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-07-06 20:29:39,924 WARN L205 SmtUtils]: Spent 38.36 s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-07-06 20:29:39,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-07-06 20:29:39,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2127 [2021-07-06 20:30:00,035 WARN L205 SmtUtils]: Spent 20.04 s on a formula simplification that was a NOOP. DAG size: 433 [2021-07-06 20:30:00,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.07 08:30:00 BoogieIcfgContainer [2021-07-06 20:30:00,132 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-07-06 20:30:00,133 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-07-06 20:30:00,133 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-07-06 20:30:00,133 INFO L275 PluginConnector]: Witness Printer initialized [2021-07-06 20:30:00,133 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.07 08:29:00" (3/4) ... [2021-07-06 20:30:00,135 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-07-06 20:30:00,159 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-07-06 20:30:00,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-07-06 20:30:00,160 INFO L168 Benchmark]: Toolchain (without parser) took 60366.10 ms. Allocated memory was 58.7 MB in the beginning and 98.6 MB in the end (delta: 39.8 MB). Free memory was 36.1 MB in the beginning and 40.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 36.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,160 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-07-06 20:30:00,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 372.57 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 53.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 81.8 MB. Free memory was 53.9 MB in the beginning and 51.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,161 INFO L168 Benchmark]: Boogie Preprocessor took 43.00 ms. Allocated memory is still 81.8 MB. Free memory was 51.2 MB in the beginning and 49.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,162 INFO L168 Benchmark]: RCFGBuilder took 552.54 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 46.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,162 INFO L168 Benchmark]: BuchiAutomizer took 59300.37 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 42.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,162 INFO L168 Benchmark]: Witness Printer took 26.80 ms. Allocated memory is still 98.6 MB. Free memory was 42.8 MB in the beginning and 40.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-07-06 20:30:00,164 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 58.7 MB. Free memory was 39.1 MB in the beginning and 39.0 MB in the end (delta: 73.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 372.57 ms. Allocated memory was 58.7 MB in the beginning and 81.8 MB in the end (delta: 23.1 MB). Free memory was 35.8 MB in the beginning and 53.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 66.50 ms. Allocated memory is still 81.8 MB. Free memory was 53.9 MB in the beginning and 51.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.00 ms. Allocated memory is still 81.8 MB. Free memory was 51.2 MB in the beginning and 49.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 552.54 ms. Allocated memory is still 81.8 MB. Free memory was 48.8 MB in the beginning and 46.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 59300.37 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 42.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 48.5 MB. Max. memory is 16.1 GB. * Witness Printer took 26.80 ms. Allocated memory is still 98.6 MB. Free memory was 42.8 MB in the beginning and 40.9 MB in the end (delta: 2.0 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 126 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 59.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 59.1s. 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 22.8ms AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 126 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 101 SDtfs, 97 SDslu, 89 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.7ms 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: 884]: 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 {NULL=0, NULL=9609, NULL=0, NULL=1, NULL=0, NULL=9596, NULL=9602, NULL=9592, methaneLevelCritical=0, NULL=9600, NULL=0, NULL=0, NULL=9597, tmp=0, tmp___1=0, NULL=9612, NULL=0, NULL=0, tmp___0=0, NULL=9589, NULL=9603, NULL=9588, cleanupTimeShifts=4, NULL=9595, NULL=9587, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a335428=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4c970cb0=0, NULL=9611, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d46def3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69951648=63, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61dfcce9=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b5acc37=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=9590, \result=1, head=0, pumpRunning=0, NULL=9599, NULL=9607, \result=0, NULL=9591, NULL=0, NULL=9598, NULL=0, NULL=0, tmp=1, NULL=0, NULL=0, NULL=9604, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b69ded9=0, retValue_acc=1, NULL=9605, NULL=0, tmp=1, NULL=0, retValue_acc=1, NULL=9610, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ae8fff9=0, tmp___2=63, tmp___0=0, NULL=9608, NULL=9613, splverifierCounter=0, NULL=0, NULL=0, NULL=9615, NULL=9594, NULL=9606, head=0, tmp=0, NULL=0, NULL=0, NULL=9593, NULL=0, NULL=0, NULL=9601} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L220] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L493] int pumpRunning = 0; [L494] int systemActive = 1; [L688] int waterLevel = 1; [L689] int methaneLevelCritical = 0; [L777] int cleanupTimeShifts = 4; [L851] int retValue_acc ; [L852] int tmp ; [L474] int retValue_acc ; [L477] retValue_acc = 1 [L478] return (retValue_acc); [L858] tmp = valid_product() [L860] COND TRUE \read(tmp) [L875] int splverifierCounter ; [L876] int tmp ; [L877] int tmp___0 ; [L878] int tmp___1 ; [L879] int tmp___2 ; [L882] splverifierCounter = 0 Loop: [L884] COND TRUE 1 [L886] COND TRUE splverifierCounter < 4 [L892] tmp = __VERIFIER_nondet_int() [L894] COND FALSE !(\read(tmp)) [L902] tmp___0 = __VERIFIER_nondet_int() [L904] COND FALSE !(\read(tmp___0)) [L912] tmp___2 = __VERIFIER_nondet_int() [L914] COND TRUE \read(tmp___2) [L681] systemActive = 1 [L500] COND FALSE !(\read(pumpRunning)) [L507] COND TRUE \read(systemActive) [L529] int tmp ; [L532] COND FALSE !(\read(pumpRunning)) [L420] int tmp ; [L421] int tmp___0 ; [L759] int retValue_acc ; [L762] retValue_acc = waterLevel [L763] return (retValue_acc); [L425] tmp = getWaterLevel() [L427] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-07-06 20:30:00,202 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...