./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be --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 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-dev-e943c26 [2021-10-21 20:09:52,735 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:09:52,737 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:09:52,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:09:52,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:09:52,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:09:52,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:09:52,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:09:52,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:09:52,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:09:52,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:09:52,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:09:52,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:09:52,781 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:09:52,782 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:09:52,784 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:09:52,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:09:52,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:09:52,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:09:52,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:09:52,793 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:09:52,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:09:52,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:09:52,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:09:52,806 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:09:52,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:09:52,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:09:52,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:09:52,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:09:52,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:09:52,810 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:09:52,811 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:09:52,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:09:52,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:09:52,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:09:52,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:09:52,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:09:52,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:09:52,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:09:52,825 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:09:52,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:09:52,826 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:09:52,879 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:09:52,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:09:52,880 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:09:52,880 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:09:52,882 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:09:52,882 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:09:52,882 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:09:52,883 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:09:52,883 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:09:52,883 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:09:52,884 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:09:52,884 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:09:52,884 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:09:52,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:09:52,885 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:09:52,885 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:09:52,885 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:09:52,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:09:52,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:09:52,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:09:52,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:09:52,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:09:52,886 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:09:52,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:09:52,887 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:09:52,887 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:09:52,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:09:52,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:09:52,889 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:09:52,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:09:52,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:09:52,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:09:52,891 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:09:52,891 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17e2337fd721ce0bbba718ba7912b3f6432f0e21a2bb22404280d45b14116418 [2021-10-21 20:09:53,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:09:53,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:09:53,165 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:09:53,167 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:09:53,168 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:09:53,169 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2021-10-21 20:09:53,244 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/data/a3cd6a7bd/ac8b948e617b44449d5c7cf66d95777b/FLAG707b79b3b [2021-10-21 20:09:53,754 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:09:53,754 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c [2021-10-21 20:09:53,767 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/data/a3cd6a7bd/ac8b948e617b44449d5c7cf66d95777b/FLAG707b79b3b [2021-10-21 20:09:54,124 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/data/a3cd6a7bd/ac8b948e617b44449d5c7cf66d95777b [2021-10-21 20:09:54,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:09:54,137 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:09:54,138 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:54,138 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:09:54,142 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:09:54,143 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,145 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1273c186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54, skipping insertion in model container [2021-10-21 20:09:54,145 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:09:54,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:09:54,405 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2021-10-21 20:09:54,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:54,536 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:09:54,568 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/sv-benchmarks/c/product-lines/minepump_spec5_product21.cil.c[3727,3740] [2021-10-21 20:09:54,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:09:54,675 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:09:54,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54 WrapperNode [2021-10-21 20:09:54,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:09:54,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:54,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:09:54,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:09:54,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,715 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,772 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:09:54,773 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:09:54,773 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:09:54,773 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:09:54,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:09:54,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:09:54,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:09:54,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:09:54,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (1/1) ... [2021-10-21 20:09:54,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:09:54,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:09:54,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:09:54,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:09:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:09:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:09:54,928 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:09:54,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:09:55,853 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:09:55,854 INFO L299 CfgBuilder]: Removed 170 assume(true) statements. [2021-10-21 20:09:55,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:55 BoogieIcfgContainer [2021-10-21 20:09:55,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:09:55,857 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:09:55,857 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:09:55,861 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:09:55,862 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:55,862 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:09:54" (1/3) ... [2021-10-21 20:09:55,863 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ac3d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:55, skipping insertion in model container [2021-10-21 20:09:55,863 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:55,864 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:09:54" (2/3) ... [2021-10-21 20:09:55,864 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23ac3d2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:09:55, skipping insertion in model container [2021-10-21 20:09:55,864 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:09:55,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:55" (3/3) ... [2021-10-21 20:09:55,866 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product21.cil.c [2021-10-21 20:09:55,907 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:09:55,907 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:09:55,907 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:09:55,907 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:09:55,908 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:09:55,908 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:09:55,908 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:09:55,908 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:09:55,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.5) internal successors, (165), 110 states have internal predecessors, (165), 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) [2021-10-21 20:09:55,956 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2021-10-21 20:09:55,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:55,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:55,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:55,967 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:55,967 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:09:55,968 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.5) internal successors, (165), 110 states have internal predecessors, (165), 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) [2021-10-21 20:09:55,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2021-10-21 20:09:55,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:55,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:55,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:55,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:55,987 INFO L791 eck$LassoCheckResult]: Stem: 99#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(77, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(101, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(116, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(104, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string16.base, #t~string16.offset, 1);call write~init~int(82, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(73, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(84, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 4 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(75, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 35#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 28#L332true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 87#L340true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 86#L142true assume 0 != main_~tmp~0; 94#L113true ~switchedOnBeforeTS~0 := 0; 14#L165true havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L186-1true [2021-10-21 20:09:55,988 INFO L793 eck$LassoCheckResult]: Loop: 24#L186-1true assume !false; 49#L722true assume test_~splverifierCounter~0 < 4; 110#L723true test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 78#L731true assume !(0 != test_~tmp~5); 82#L731-1true test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 104#L741true assume !(0 != test_~tmp___0~1); 97#L741-1true test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 22#L751true assume 0 != test_~tmp___2~0; 44#L757-2true havoc __utac_acc__Specification5_spec__2_#t~ret8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 36#L899true __utac_acc__Specification5_spec__2_#t~ret8 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret8;havoc __utac_acc__Specification5_spec__2_#t~ret8; 6#L175true assume !(0 != ~pumpRunning~0); 113#L788true assume !(0 != ~systemActive~0); 9#L795true havoc __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_#t~ret10, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 41#L296true __utac_acc__Specification5_spec__3_#t~ret9 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 53#L186true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 24#L186-1true [2021-10-21 20:09:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:55,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-21 20:09:56,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:56,003 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605230138] [2021-10-21 20:09:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:56,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:56,337 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:56,563 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:56,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:56,567 INFO L82 PathProgramCache]: Analyzing trace with hash 95582188, now seen corresponding path program 1 times [2021-10-21 20:09:56,567 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:56,569 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766300872] [2021-10-21 20:09:56,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:56,570 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:56,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:56,593 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:56,610 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:56,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:56,615 INFO L82 PathProgramCache]: Analyzing trace with hash 2029607398, now seen corresponding path program 1 times [2021-10-21 20:09:56,616 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:56,616 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840961329] [2021-10-21 20:09:56,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:56,617 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:56,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:56,812 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:56,813 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840961329] [2021-10-21 20:09:56,815 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840961329] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:56,815 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:56,815 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 20:09:56,816 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1358545762] [2021-10-21 20:09:57,007 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:57,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:09:57,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:09:57,024 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.5) internal successors, (165), 110 states have internal predecessors, (165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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) [2021-10-21 20:09:57,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:57,378 INFO L93 Difference]: Finished difference Result 111 states and 154 transitions. [2021-10-21 20:09:57,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:09:57,380 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 111 states and 154 transitions. [2021-10-21 20:09:57,384 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-21 20:09:57,388 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 111 states to 104 states and 147 transitions. [2021-10-21 20:09:57,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 104 [2021-10-21 20:09:57,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 104 [2021-10-21 20:09:57,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 104 states and 147 transitions. [2021-10-21 20:09:57,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:57,392 INFO L681 BuchiCegarLoop]: Abstraction has 104 states and 147 transitions. [2021-10-21 20:09:57,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states and 147 transitions. [2021-10-21 20:09:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2021-10-21 20:09:57,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 104 states have (on average 1.4134615384615385) internal successors, (147), 103 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:09:57,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2021-10-21 20:09:57,425 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 147 transitions. [2021-10-21 20:09:57,425 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 147 transitions. [2021-10-21 20:09:57,425 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:09:57,426 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 147 transitions. [2021-10-21 20:09:57,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 69 [2021-10-21 20:09:57,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:57,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:57,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:57,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:57,429 INFO L791 eck$LassoCheckResult]: Stem: 342#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(77, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(101, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(116, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(104, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string16.base, #t~string16.offset, 1);call write~init~int(82, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(73, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(84, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 4 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(75, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 297#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 289#L332 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 290#L340 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 336#L142 assume 0 != main_~tmp~0; 337#L113 ~switchedOnBeforeTS~0 := 0; 262#L165 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 263#L186-1 [2021-10-21 20:09:57,429 INFO L793 eck$LassoCheckResult]: Loop: 263#L186-1 assume !false; 282#L722 assume test_~splverifierCounter~0 < 4; 313#L723 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 332#L731 assume !(0 != test_~tmp~5); 292#L731-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 334#L741 assume !(0 != test_~tmp___0~1); 326#L741-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 277#L751 assume 0 != test_~tmp___2~0; 279#L757-2 havoc __utac_acc__Specification5_spec__2_#t~ret8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 298#L899 __utac_acc__Specification5_spec__2_#t~ret8 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret8;havoc __utac_acc__Specification5_spec__2_#t~ret8; 242#L175 assume !(0 != ~pumpRunning~0); 243#L788 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret62, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 270#L846 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret61, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 271#L820-1 assume !(0 != ~pumpRunning~0); 250#L795 havoc __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_#t~ret10, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 251#L296 __utac_acc__Specification5_spec__3_#t~ret9 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 307#L186 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~1); 263#L186-1 [2021-10-21 20:09:57,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-21 20:09:57,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:57,430 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345176798] [2021-10-21 20:09:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:57,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:57,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:57,474 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:57,533 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:57,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:57,534 INFO L82 PathProgramCache]: Analyzing trace with hash -489209282, now seen corresponding path program 1 times [2021-10-21 20:09:57,534 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:57,535 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759192045] [2021-10-21 20:09:57,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:57,535 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:57,540 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:57,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:57,546 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:57,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:57,547 INFO L82 PathProgramCache]: Analyzing trace with hash -1611821640, now seen corresponding path program 1 times [2021-10-21 20:09:57,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:57,548 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653613332] [2021-10-21 20:09:57,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:57,548 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:09:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:09:57,621 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:09:57,621 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653613332] [2021-10-21 20:09:57,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653613332] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:09:57,622 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:09:57,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:09:57,622 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036177917] [2021-10-21 20:09:57,745 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:09:57,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 20:09:57,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 20:09:57,746 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. cyclomatic complexity: 45 Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2021-10-21 20:09:57,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:09:57,898 INFO L93 Difference]: Finished difference Result 302 states and 432 transitions. [2021-10-21 20:09:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:09:57,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 302 states and 432 transitions. [2021-10-21 20:09:57,904 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 184 [2021-10-21 20:09:57,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 302 states to 302 states and 432 transitions. [2021-10-21 20:09:57,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 302 [2021-10-21 20:09:57,909 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 302 [2021-10-21 20:09:57,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 302 states and 432 transitions. [2021-10-21 20:09:57,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:09:57,912 INFO L681 BuchiCegarLoop]: Abstraction has 302 states and 432 transitions. [2021-10-21 20:09:57,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states and 432 transitions. [2021-10-21 20:09:57,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 201. [2021-10-21 20:09:57,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 201 states have (on average 1.407960199004975) internal successors, (283), 200 states have internal predecessors, (283), 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) [2021-10-21 20:09:57,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 283 transitions. [2021-10-21 20:09:57,927 INFO L704 BuchiCegarLoop]: Abstraction has 201 states and 283 transitions. [2021-10-21 20:09:57,927 INFO L587 BuchiCegarLoop]: Abstraction has 201 states and 283 transitions. [2021-10-21 20:09:57,927 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:09:57,927 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 283 transitions. [2021-10-21 20:09:57,929 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 138 [2021-10-21 20:09:57,929 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:09:57,929 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:09:57,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:57,930 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:09:57,930 INFO L791 eck$LassoCheckResult]: Stem: 774#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~string12.base, #t~string12.offset := #Ultimate.allocOnStack(13);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string14.base, #t~string14.offset, 1);call write~init~int(77, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(101, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(116, #t~string14.base, 3 + #t~string14.offset, 1);call write~init~int(104, #t~string14.base, 4 + #t~string14.offset, 1);call write~init~int(58, #t~string14.base, 5 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 6 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string16.base, #t~string16.offset, 1);call write~init~int(82, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(73, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(84, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 4 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(75, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(30);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(9);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(21);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(13);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string71.base, #t~string71.offset, 1);call write~init~int(80, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(117, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(109, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(112, #t~string71.base, 4 + #t~string71.offset, 1);call write~init~int(58, #t~string71.base, 5 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 6 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(110, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string75.base, #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(102, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 3 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string77.base, #t~string77.offset, 1);call write~init~int(32, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 2 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string79.base, #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 1 + #t~string79.offset, 1);~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 721#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 713#L332 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 714#L340 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 768#L142 assume 0 != main_~tmp~0; 769#L113 ~switchedOnBeforeTS~0 := 0; 686#L165 havoc test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_#t~nondet60, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 687#L186-1 [2021-10-21 20:09:57,931 INFO L793 eck$LassoCheckResult]: Loop: 687#L186-1 assume !false; 704#L722 assume test_~splverifierCounter~0 < 4; 741#L723 test_~tmp~5 := test_#t~nondet57;havoc test_#t~nondet57; 858#L731 assume !(0 != test_~tmp~5); 857#L731-1 test_~tmp___0~1 := test_#t~nondet58;havoc test_#t~nondet58; 856#L741 assume !(0 != test_~tmp___0~1); 854#L741-1 test_~tmp___2~0 := test_#t~nondet59;havoc test_#t~nondet59; 853#L751 assume 0 != test_~tmp___2~0; 851#L757-2 havoc __utac_acc__Specification5_spec__2_#t~ret8;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 850#L899 __utac_acc__Specification5_spec__2_#t~ret8 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret8;havoc __utac_acc__Specification5_spec__2_#t~ret8; 848#L175 assume !(0 != ~pumpRunning~0); 762#L788 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret62, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 844#L846 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret61, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 842#L820-1 assume !(0 != ~pumpRunning~0); 672#L795 havoc __utac_acc__Specification5_spec__3_#t~ret9, __utac_acc__Specification5_spec__3_#t~ret10, __utac_acc__Specification5_spec__3_~tmp~1, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~2;havoc getWaterLevel_~retValue_acc~2;getWaterLevel_~retValue_acc~2 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~2; 673#L296 __utac_acc__Specification5_spec__3_#t~ret9 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~1 := __utac_acc__Specification5_spec__3_#t~ret9;havoc __utac_acc__Specification5_spec__3_#t~ret9; 744#L186 assume 2 != __utac_acc__Specification5_spec__3_~tmp~1;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~10;havoc isPumpRunning_~retValue_acc~10;isPumpRunning_~retValue_acc~10 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~10; 745#L899-1 __utac_acc__Specification5_spec__3_#t~ret10 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret10;havoc __utac_acc__Specification5_spec__3_#t~ret10; 738#L190 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 687#L186-1 [2021-10-21 20:09:57,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:57,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-10-21 20:09:57,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:57,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089540612] [2021-10-21 20:09:57,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:57,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:57,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:57,984 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:58,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:58,046 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:58,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:58,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1978697447, now seen corresponding path program 1 times [2021-10-21 20:09:58,052 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:58,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177625307] [2021-10-21 20:09:58,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:58,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:58,059 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:58,067 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:09:58,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:09:58,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1522585107, now seen corresponding path program 1 times [2021-10-21 20:09:58,069 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:09:58,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101439123] [2021-10-21 20:09:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:09:58,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:09:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:58,124 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:09:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:09:58,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:10:58,326 WARN L207 SmtUtils]: Spent 59.90 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-21 20:12:06,387 WARN L207 SmtUtils]: Spent 34.58 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-21 20:12:06,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:12:06 BoogieIcfgContainer [2021-10-21 20:12:06,555 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:12:06,555 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:12:06,555 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:12:06,556 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:12:06,556 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:09:55" (3/4) ... [2021-10-21 20:12:06,559 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 20:12:06,625 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 20:12:06,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:12:06,627 INFO L168 Benchmark]: Toolchain (without parser) took 132489.68 ms. Allocated memory was 100.7 MB in the beginning and 151.0 MB in the end (delta: 50.3 MB). Free memory was 70.3 MB in the beginning and 111.7 MB in the end (delta: -41.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,628 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:12:06,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 537.79 ms. Allocated memory is still 100.7 MB. Free memory was 70.0 MB in the beginning and 68.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.42 ms. Allocated memory is still 100.7 MB. Free memory was 68.7 MB in the beginning and 65.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,630 INFO L168 Benchmark]: Boogie Preprocessor took 44.31 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 62.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,631 INFO L168 Benchmark]: RCFGBuilder took 1038.70 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 62.4 MB in the beginning and 76.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,632 INFO L168 Benchmark]: BuchiAutomizer took 130697.54 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 76.1 MB in the beginning and 114.7 MB in the end (delta: -38.7 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,632 INFO L168 Benchmark]: Witness Printer took 70.74 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 111.7 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:12:06,637 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 100.7 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 537.79 ms. Allocated memory is still 100.7 MB. Free memory was 70.0 MB in the beginning and 68.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.42 ms. Allocated memory is still 100.7 MB. Free memory was 68.7 MB in the beginning and 65.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.31 ms. Allocated memory is still 100.7 MB. Free memory was 65.2 MB in the beginning and 62.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1038.70 ms. Allocated memory was 100.7 MB in the beginning and 125.8 MB in the end (delta: 25.2 MB). Free memory was 62.4 MB in the beginning and 76.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 130697.54 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 76.1 MB in the beginning and 114.7 MB in the end (delta: -38.7 MB). Peak memory consumption was 71.3 MB. Max. memory is 16.1 GB. * Witness Printer took 70.74 ms. Allocated memory is still 151.0 MB. Free memory was 114.7 MB in the beginning and 111.7 MB in the end (delta: 3.0 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 201 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 130.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 129.9s. Construction of modules took 0.3s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 33.5ms AutomataMinimizationTime, 2 MinimizatonAttempts, 101 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 201 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 344 SDtfs, 1072 SDslu, 466 SDs, 0 SdLazy, 103 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 370.7ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 721]: 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, retValue_acc=0, NULL=1, NULL=0, NULL=15007, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b394e81=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=14989, methaneLevelCritical=0, NULL=0, NULL=0, tmp=0, NULL=15000, NULL=0, tmp=0, tmp=1, tmp___1=0, NULL=0, NULL=0, NULL=14994, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1225f88e=0, retValue_acc=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=15004, NULL=14998, NULL=14987, NULL=15014, \result=0, NULL=14997, NULL=0, systemActive=1, waterLevel=1, NULL=15001, \result=1, NULL=0, NULL=0, NULL=0, NULL=15013, NULL=14999, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=15011, tmp___0=0, \result=1, NULL=14993, head=0, pumpRunning=0, tmp=1, NULL=14996, \result=0, NULL=14988, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7de90771=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@16a64152=0, NULL=0, NULL=0, retValue_acc=1, NULL=14995, NULL=0, NULL=0, NULL=0, NULL=15006, NULL=15005, NULL=0, NULL=15009, tmp___2=51, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=15008, NULL=15012, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@9aec9ec=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@719fa635=51, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69cb9617=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ad2260f=0, head=0, NULL=0, tmp=0, NULL=14990, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a4014ee=0, NULL=15003, NULL=15010, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61baf68c=0, NULL=14991, NULL=15002, NULL=14992} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int switchedOnBeforeTS ; [L221] int waterLevel = 1; [L222] int methaneLevelCritical = 0; [L514] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L778] int pumpRunning = 0; [L779] int systemActive = 1; [L133] int retValue_acc ; [L134] int tmp ; [L336] int retValue_acc ; [L339] retValue_acc = 1 [L340] return (retValue_acc); [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L164] switchedOnBeforeTS = 0 [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L173] switchedOnBeforeTS = isPumpRunning() [L788] COND FALSE !(\read(pumpRunning)) [L795] COND TRUE \read(systemActive) [L843] int tmp ; [L846] COND FALSE !(\read(pumpRunning)) [L817] int tmp ; [L820] COND FALSE !(\read(pumpRunning)) [L179] int tmp ; [L180] int tmp___0 ; [L292] int retValue_acc ; [L295] retValue_acc = waterLevel [L296] return (retValue_acc); [L184] tmp = getWaterLevel() [L186] COND TRUE tmp != 2 [L895] int retValue_acc ; [L898] retValue_acc = pumpRunning [L899] return (retValue_acc); [L188] tmp___0 = isPumpRunning() [L190] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 20:12:06,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72dc870e-0b24-4090-a775-6b330c2deb5f/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...