./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.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_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/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_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/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_a01bfe7b-3c70-4a75-ad66-18943b74133c/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 dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f ................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:53:34,841 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:53:34,843 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:53:34,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:53:34,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:53:34,915 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:53:34,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:53:34,922 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:53:34,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:53:34,931 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:53:34,932 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:53:34,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:53:34,934 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:53:34,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:53:34,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:53:34,938 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:53:34,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:53:34,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:53:34,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:53:34,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:53:34,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:53:34,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:53:34,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:53:34,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:53:34,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:53:34,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:53:34,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:53:34,972 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:53:34,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:53:34,976 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:53:34,977 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:53:34,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:53:34,980 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:53:34,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:53:34,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:53:34,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:53:34,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:53:34,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:53:34,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:53:34,986 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:53:34,987 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:53:34,988 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:53:35,024 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:53:35,025 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:53:35,025 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:53:35,025 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:53:35,027 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:53:35,027 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:53:35,027 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:53:35,027 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:53:35,028 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:53:35,028 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:53:35,028 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:53:35,028 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:53:35,029 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:53:35,029 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:53:35,029 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:53:35,029 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:53:35,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:53:35,030 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:53:35,030 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:53:35,030 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:53:35,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:53:35,031 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:53:35,031 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:53:35,031 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:53:35,031 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:53:35,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:53:35,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:53:35,032 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:53:35,032 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:53:35,033 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:53:35,033 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:53:35,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:53:35,034 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:53:35,034 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_a01bfe7b-3c70-4a75-ad66-18943b74133c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dd52ee49877a3a0d48a9689aeac254899fd95defe3d0906597581ea0d45f066f [2021-10-21 19:53:35,265 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:53:35,291 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:53:35,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:53:35,295 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:53:35,297 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:53:35,298 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2021-10-21 19:53:35,383 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/data/851b5013b/835cb8cb9b99410891735c730b957186/FLAGa739f3054 [2021-10-21 19:53:35,945 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:53:35,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c [2021-10-21 19:53:35,960 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/data/851b5013b/835cb8cb9b99410891735c730b957186/FLAGa739f3054 [2021-10-21 19:53:36,257 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/data/851b5013b/835cb8cb9b99410891735c730b957186 [2021-10-21 19:53:36,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:53:36,261 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:53:36,263 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:53:36,263 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:53:36,266 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:53:36,267 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,269 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24a2f5ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36, skipping insertion in model container [2021-10-21 19:53:36,269 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:53:36,325 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:53:36,590 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_a01bfe7b-3c70-4a75-ad66-18943b74133c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2021-10-21 19:53:36,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:53:36,607 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:53:36,706 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_a01bfe7b-3c70-4a75-ad66-18943b74133c/sv-benchmarks/c/product-lines/minepump_spec5_product10.cil.c[16321,16334] [2021-10-21 19:53:36,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:53:36,733 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:53:36,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36 WrapperNode [2021-10-21 19:53:36,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:53:36,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:53:36,740 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:53:36,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:53:36,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:53:36,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:53:36,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:53:36,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:53:36,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,854 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,857 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,866 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:53:36,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:53:36,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:53:36,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:53:36,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (1/1) ... [2021-10-21 19:53:36,901 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:53:36,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:53:36,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:53:36,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:53:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:53:36,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:53:36,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:53:36,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:53:37,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:53:37,868 INFO L299 CfgBuilder]: Removed 82 assume(true) statements. [2021-10-21 19:53:37,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:53:37 BoogieIcfgContainer [2021-10-21 19:53:37,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:53:37,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:53:37,872 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:53:37,875 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:53:37,876 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:53:37,876 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:53:36" (1/3) ... [2021-10-21 19:53:37,878 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bc80b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:53:37, skipping insertion in model container [2021-10-21 19:53:37,878 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:53:37,878 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:53:36" (2/3) ... [2021-10-21 19:53:37,879 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4bc80b06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:53:37, skipping insertion in model container [2021-10-21 19:53:37,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:53:37,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:53:37" (3/3) ... [2021-10-21 19:53:37,881 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product10.cil.c [2021-10-21 19:53:37,935 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:53:37,935 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:53:37,935 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:53:37,935 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:53:37,935 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:53:37,936 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:53:37,936 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:53:37,936 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:53:37,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 19:53:37,975 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-21 19:53:37,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:53:37,975 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:53:37,981 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:37,981 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:37,981 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:53:37,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 19:53:37,985 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2021-10-21 19:53:37,986 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:53:37,986 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:53:37,987 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:37,987 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:37,992 INFO L791 eck$LassoCheckResult]: Stem: 46#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 37#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 56#L75true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 22#L83true main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 43#L892true assume 0 != main_~tmp~6; 27#L868true ~switchedOnBeforeTS~0 := 0; 30#L182true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 35#L203-1true [2021-10-21 19:53:37,992 INFO L793 eck$LassoCheckResult]: Loop: 35#L203-1true assume !false; 53#L605true assume test_~splverifierCounter~0 < 4; 16#L606true test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 33#L614true assume !(0 != test_~tmp~4); 18#L614-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 38#L624true assume !(0 != test_~tmp___0~1); 15#L624-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 23#L634true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 31#L642-2true havoc __utac_acc__Specification5_spec__2_#t~ret18;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 21#L751true __utac_acc__Specification5_spec__2_#t~ret18 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret18;havoc __utac_acc__Specification5_spec__2_#t~ret18; 25#L192true assume !(0 != ~pumpRunning~0); 19#L674true assume 0 != ~systemActive~0; 61#L681true havoc __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_#t~ret20, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 54#L169true __utac_acc__Specification5_spec__3_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret19;havoc __utac_acc__Specification5_spec__3_#t~ret19; 26#L203true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0); 35#L203-1true [2021-10-21 19:53:37,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:37,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-21 19:53:38,013 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:38,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989767793] [2021-10-21 19:53:38,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:38,016 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:38,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:53:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:38,584 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:53:38,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:38,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1010394288, now seen corresponding path program 1 times [2021-10-21 19:53:38,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:38,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483029264] [2021-10-21 19:53:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:38,596 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:38,607 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:53:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:38,628 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:53:38,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:38,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1350547798, now seen corresponding path program 1 times [2021-10-21 19:53:38,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:38,632 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102743344] [2021-10-21 19:53:38,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:38,632 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:53:38,805 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 19:53:38,805 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:53:38,806 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102743344] [2021-10-21 19:53:38,807 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102743344] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:53:38,807 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:53:38,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:53:38,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020004522] [2021-10-21 19:53:39,086 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:53:39,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:53:39,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:53:39,103 INFO L87 Difference]: Start difference. First operand has 63 states, 62 states have (on average 1.5) internal successors, (93), 62 states have internal predecessors, (93), 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 5 states, 4 states have (on average 5.5) internal successors, (22), 4 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 19:53:39,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:53:39,239 INFO L93 Difference]: Finished difference Result 162 states and 218 transitions. [2021-10-21 19:53:39,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:53:39,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 162 states and 218 transitions. [2021-10-21 19:53:39,248 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-21 19:53:39,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 162 states to 144 states and 200 transitions. [2021-10-21 19:53:39,255 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-10-21 19:53:39,256 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-10-21 19:53:39,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 200 transitions. [2021-10-21 19:53:39,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:53:39,259 INFO L681 BuchiCegarLoop]: Abstraction has 144 states and 200 transitions. [2021-10-21 19:53:39,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 200 transitions. [2021-10-21 19:53:39,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 105. [2021-10-21 19:53:39,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 105 states have (on average 1.3523809523809525) internal successors, (142), 104 states have internal predecessors, (142), 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 19:53:39,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 142 transitions. [2021-10-21 19:53:39,293 INFO L704 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-21 19:53:39,294 INFO L587 BuchiCegarLoop]: Abstraction has 105 states and 142 transitions. [2021-10-21 19:53:39,294 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:53:39,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 105 states and 142 transitions. [2021-10-21 19:53:39,296 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 71 [2021-10-21 19:53:39,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:53:39,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:53:39,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:53:39,322 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 19:53:39,322 INFO L791 eck$LassoCheckResult]: Stem: 301#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~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(13);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(110, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(102, #t~string67.base, 2 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 3 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(80, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(117, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(109, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(112, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string71.base, #t~string71.offset, 1);call write~init~int(110, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(102, #t~string73.base, 2 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 3 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(32, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 2 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string77.base, #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 1 + #t~string77.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 295#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 296#L75 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 277#L83 main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 278#L892 assume 0 != main_~tmp~6; 287#L868 ~switchedOnBeforeTS~0 := 0; 288#L182 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 251#L203-1 [2021-10-21 19:53:39,323 INFO L793 eck$LassoCheckResult]: Loop: 251#L203-1 assume !false; 294#L605 assume test_~splverifierCounter~0 < 4; 307#L606 test_~tmp~4 := test_#t~nondet56;havoc test_#t~nondet56; 348#L614 assume !(0 != test_~tmp~4); 347#L614-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 346#L624 assume !(0 != test_~tmp___0~1); 344#L624-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 343#L634 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 341#L642-2 havoc __utac_acc__Specification5_spec__2_#t~ret18;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 340#L751 __utac_acc__Specification5_spec__2_#t~ret18 := isPumpRunning_#res;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret18;havoc __utac_acc__Specification5_spec__2_#t~ret18; 283#L192 assume !(0 != ~pumpRunning~0); 270#L674 assume 0 != ~systemActive~0; 271#L681 havoc __utac_acc__Specification5_spec__3_#t~ret19, __utac_acc__Specification5_spec__3_#t~ret20, __utac_acc__Specification5_spec__3_~tmp~0, __utac_acc__Specification5_spec__3_~tmp___0~0;havoc __utac_acc__Specification5_spec__3_~tmp~0;havoc __utac_acc__Specification5_spec__3_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 309#L169 __utac_acc__Specification5_spec__3_#t~ret19 := getWaterLevel_#res;__utac_acc__Specification5_spec__3_~tmp~0 := __utac_acc__Specification5_spec__3_#t~ret19;havoc __utac_acc__Specification5_spec__3_#t~ret19; 285#L203 assume 2 != __utac_acc__Specification5_spec__3_~tmp~0;havoc isPumpRunning_#res;havoc isPumpRunning_~retValue_acc~8;havoc isPumpRunning_~retValue_acc~8;isPumpRunning_~retValue_acc~8 := ~pumpRunning~0;isPumpRunning_#res := isPumpRunning_~retValue_acc~8; 286#L751-1 __utac_acc__Specification5_spec__3_#t~ret20 := isPumpRunning_#res;__utac_acc__Specification5_spec__3_~tmp___0~0 := __utac_acc__Specification5_spec__3_#t~ret20;havoc __utac_acc__Specification5_spec__3_#t~ret20; 250#L207 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0); 251#L203-1 [2021-10-21 19:53:39,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:39,323 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-21 19:53:39,323 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:39,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446879170] [2021-10-21 19:53:39,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:39,324 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:39,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,373 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:53:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,448 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:53:39,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:39,456 INFO L82 PathProgramCache]: Analyzing trace with hash 326286923, now seen corresponding path program 1 times [2021-10-21 19:53:39,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:39,457 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881529395] [2021-10-21 19:53:39,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:39,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,464 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:53:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,472 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:53:39,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:53:39,479 INFO L82 PathProgramCache]: Analyzing trace with hash -796325435, now seen corresponding path program 1 times [2021-10-21 19:53:39,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:53:39,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297302217] [2021-10-21 19:53:39,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:53:39,480 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:53:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,522 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:53:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:53:39,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:54:38,922 WARN L207 SmtUtils]: Spent 59.12 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-21 19:55:49,559 WARN L207 SmtUtils]: Spent 35.75 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-21 19:55:49,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:55:49 BoogieIcfgContainer [2021-10-21 19:55:49,710 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:55:49,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:55:49,711 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:55:49,711 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:55:49,712 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:53:37" (3/4) ... [2021-10-21 19:55:49,715 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:55:49,789 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:55:49,789 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:55:49,791 INFO L168 Benchmark]: Toolchain (without parser) took 133528.33 ms. Allocated memory was 125.8 MB in the beginning and 195.0 MB in the end (delta: 69.2 MB). Free memory was 98.4 MB in the beginning and 127.0 MB in the end (delta: -28.6 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,791 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:55:49,792 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.61 ms. Allocated memory was 125.8 MB in the beginning and 161.5 MB in the end (delta: 35.7 MB). Free memory was 98.4 MB in the beginning and 127.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,793 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.80 ms. Allocated memory is still 161.5 MB. Free memory was 127.7 MB in the beginning and 125.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,794 INFO L168 Benchmark]: Boogie Preprocessor took 33.03 ms. Allocated memory is still 161.5 MB. Free memory was 125.1 MB in the beginning and 123.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,795 INFO L168 Benchmark]: RCFGBuilder took 992.15 ms. Allocated memory is still 161.5 MB. Free memory was 123.0 MB in the beginning and 131.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,796 INFO L168 Benchmark]: BuchiAutomizer took 131838.38 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 131.5 MB in the beginning and 129.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,797 INFO L168 Benchmark]: Witness Printer took 78.78 ms. Allocated memory is still 195.0 MB. Free memory was 129.1 MB in the beginning and 127.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:55:49,801 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 125.8 MB. Free memory is still 82.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 475.61 ms. Allocated memory was 125.8 MB in the beginning and 161.5 MB in the end (delta: 35.7 MB). Free memory was 98.4 MB in the beginning and 127.7 MB in the end (delta: -29.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 102.80 ms. Allocated memory is still 161.5 MB. Free memory was 127.7 MB in the beginning and 125.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.03 ms. Allocated memory is still 161.5 MB. Free memory was 125.1 MB in the beginning and 123.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 992.15 ms. Allocated memory is still 161.5 MB. Free memory was 123.0 MB in the beginning and 131.5 MB in the end (delta: -8.5 MB). Peak memory consumption was 38.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 131838.38 ms. Allocated memory was 161.5 MB in the beginning and 195.0 MB in the end (delta: 33.6 MB). Free memory was 131.5 MB in the beginning and 129.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 115.3 MB. Max. memory is 16.1 GB. * Witness Printer took 78.78 ms. Allocated memory is still 195.0 MB. Free memory was 129.1 MB in the beginning and 127.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 105 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 131.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 131.4s. 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 20.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 39 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 105 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 126 SDtfs, 224 SDslu, 235 SDs, 0 SdLazy, 67 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 59.1ms Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 604]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=24534} State at position 1 is {NULL=24562, NULL=0, NULL=0, NULL=24534, NULL=0, NULL=24551, NULL=0, NULL=0, NULL=24548, NULL=0, NULL=0, retValue_acc=0, NULL=24553, NULL=24539, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b7e213a=0, NULL=0, tmp=0, NULL=0, NULL=24542, NULL=0, tmp___1=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@160278d8=0, NULL=24560, cleanupTimeShifts=4, switchedOnBeforeTS=0, NULL=24558, NULL=24546, \result=0, NULL=24547, NULL=24561, NULL=0, systemActive=1, waterLevel=1, NULL=24556, \result=1, NULL=0, NULL=24559, NULL=0, NULL=0, retValue_acc=1, NULL=0, NULL=24535, tmp___0=0, \result=1, head=0, pumpRunning=0, NULL=24543, \result=0, NULL=24545, NULL=0, NULL=0, tmp=1, NULL=0, NULL=24555, NULL=24550, NULL=0, NULL=0, NULL=24552, NULL=0, NULL=24536, retValue_acc=1, tmp___2=71, NULL=0, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=24554, NULL=24537, NULL=24538, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f3dbeed=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@22eb7462=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34c1e9c9=71, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@785d8186=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29e14a4b=0, head=0, NULL=0, NULL=24557, NULL=24541, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fddcd79=0, NULL=24540, retValue_acc=0, NULL=0, NULL=24549, NULL=24544} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L94] int waterLevel = 1; [L95] int methaneLevelCritical = 0; [L176] int switchedOnBeforeTS ; [L394] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L664] int pumpRunning = 0; [L665] int systemActive = 1; [L809] int cleanupTimeShifts = 4; [L883] int retValue_acc ; [L884] int tmp ; [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L890] tmp = valid_product() [L892] COND TRUE \read(tmp) [L181] switchedOnBeforeTS = 0 [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 Loop: [L604] COND TRUE 1 [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L795] systemActive = 1 [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L190] switchedOnBeforeTS = isPumpRunning() [L674] COND FALSE !(\read(pumpRunning)) [L681] COND TRUE \read(systemActive) [L196] int tmp ; [L197] int tmp___0 ; [L165] int retValue_acc ; [L168] retValue_acc = waterLevel [L169] return (retValue_acc); [L201] tmp = getWaterLevel() [L203] COND TRUE tmp != 2 [L747] int retValue_acc ; [L750] retValue_acc = pumpRunning [L751] return (retValue_acc); [L205] tmp___0 = isPumpRunning() [L207] COND FALSE !(\read(tmp___0)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:55:49,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a01bfe7b-3c70-4a75-ad66-18943b74133c/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...