./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD --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 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f .......................................................................................................................................................................................................................................................................................................................................................................................... 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-b2eff8b [2021-10-29 00:05:03,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 00:05:03,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 00:05:03,978 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 00:05:03,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 00:05:03,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 00:05:03,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 00:05:03,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 00:05:03,988 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 00:05:03,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 00:05:03,991 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 00:05:03,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 00:05:03,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 00:05:03,996 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 00:05:03,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 00:05:04,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 00:05:04,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 00:05:04,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 00:05:04,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 00:05:04,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 00:05:04,012 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 00:05:04,014 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 00:05:04,016 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 00:05:04,018 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 00:05:04,022 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 00:05:04,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 00:05:04,024 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 00:05:04,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 00:05:04,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 00:05:04,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 00:05:04,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 00:05:04,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 00:05:04,032 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 00:05:04,033 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 00:05:04,035 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 00:05:04,035 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 00:05:04,037 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 00:05:04,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 00:05:04,038 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 00:05:04,039 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 00:05:04,040 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 00:05:04,041 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-29 00:05:04,075 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 00:05:04,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 00:05:04,076 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-29 00:05:04,076 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-29 00:05:04,077 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 00:05:04,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 00:05:04,078 INFO L138 SettingsManager]: * Use SBE=true [2021-10-29 00:05:04,078 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-29 00:05:04,078 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-29 00:05:04,079 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-29 00:05:04,079 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-29 00:05:04,079 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-29 00:05:04,079 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-29 00:05:04,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 00:05:04,080 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 00:05:04,080 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-29 00:05:04,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 00:05:04,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 00:05:04,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 00:05:04,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-29 00:05:04,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-29 00:05:04,082 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-29 00:05:04,082 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 00:05:04,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 00:05:04,083 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-29 00:05:04,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 00:05:04,083 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-29 00:05:04,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 00:05:04,084 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-29 00:05:04,084 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 00:05:04,085 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-29 00:05:04,085 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 00:05:04,086 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-29 00:05:04,086 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_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8418cf7d163b352a410eb8e80d08e8b0a7ca24d6b01fdd4260cca3324a0a1c4f [2021-10-29 00:05:04,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 00:05:04,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 00:05:04,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 00:05:04,425 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 00:05:04,426 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 00:05:04,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-29 00:05:04,522 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/data/5948207ff/4aaf816ac82741dabb7525d98afe073b/FLAG1cc62a9cc [2021-10-29 00:05:05,133 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 00:05:05,134 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c [2021-10-29 00:05:05,155 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/data/5948207ff/4aaf816ac82741dabb7525d98afe073b/FLAG1cc62a9cc [2021-10-29 00:05:05,429 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/data/5948207ff/4aaf816ac82741dabb7525d98afe073b [2021-10-29 00:05:05,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 00:05:05,433 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 00:05:05,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 00:05:05,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 00:05:05,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 00:05:05,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:05" (1/1) ... [2021-10-29 00:05:05,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71da90c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:05, skipping insertion in model container [2021-10-29 00:05:05,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 12:05:05" (1/1) ... [2021-10-29 00:05:05,455 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 00:05:05,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 00:05:05,817 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_67d8f6ac-cac1-492c-9e81-ce6e211330b3/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-29 00:05:05,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:05,937 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 00:05:05,974 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_67d8f6ac-cac1-492c-9e81-ce6e211330b3/sv-benchmarks/c/product-lines/minepump_spec2_product17.cil.c[6402,6415] [2021-10-29 00:05:06,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 00:05:06,037 INFO L208 MainTranslator]: Completed translation [2021-10-29 00:05:06,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06 WrapperNode [2021-10-29 00:05:06,037 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 00:05:06,039 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 00:05:06,039 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 00:05:06,039 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 00:05:06,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,151 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 00:05:06,154 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 00:05:06,157 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 00:05:06,157 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 00:05:06,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,217 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,243 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 00:05:06,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 00:05:06,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 00:05:06,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 00:05:06,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (1/1) ... [2021-10-29 00:05:06,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-29 00:05:06,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-29 00:05:06,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-29 00:05:06,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-29 00:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 00:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 00:05:06,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 00:05:06,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 00:05:07,292 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 00:05:07,292 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2021-10-29 00:05:07,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:07 BoogieIcfgContainer [2021-10-29 00:05:07,295 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 00:05:07,296 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-29 00:05:07,297 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-29 00:05:07,301 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-29 00:05:07,302 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:07,302 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.10 12:05:05" (1/3) ... [2021-10-29 00:05:07,304 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28e4a114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:05:07, skipping insertion in model container [2021-10-29 00:05:07,304 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:07,304 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 12:05:06" (2/3) ... [2021-10-29 00:05:07,305 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28e4a114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.10 12:05:07, skipping insertion in model container [2021-10-29 00:05:07,305 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-29 00:05:07,305 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:07" (3/3) ... [2021-10-29 00:05:07,307 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product17.cil.c [2021-10-29 00:05:07,359 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-29 00:05:07,360 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-29 00:05:07,360 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-29 00:05:07,360 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-29 00:05:07,360 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-29 00:05:07,361 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-29 00:05:07,361 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-29 00:05:07,361 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-29 00:05:07,381 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-10-29 00:05:07,409 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-29 00:05:07,409 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:05:07,409 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:05:07,419 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:07,419 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:07,419 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-29 00:05:07,420 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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) [2021-10-29 00:05:07,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-10-29 00:05:07,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:05:07,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:05:07,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:07,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:07,435 INFO L791 eck$LassoCheckResult]: Stem: 54#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 42#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 21#L395true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 58#L403true main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 55#L905true assume 0 != main_~tmp~7; 37#L881true ~methAndRunningLastTime~0 := 0; 4#L789true havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 53#L800-1true [2021-10-29 00:05:07,466 INFO L793 eck$LassoCheckResult]: Loop: 53#L800-1true assume !false; 10#L159true assume test_~splverifierCounter~0 < 4; 25#L160true test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 7#L168true assume !(0 != test_~tmp~0); 66#L168-1true test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 33#L178true assume !(0 != test_~tmp___0~0); 43#L178-1true test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 23#L188true assume 0 != test_~tmp___2~0; 68#L194-2true assume !(0 != ~pumpRunning~0); 39#L225true assume !(0 != ~systemActive~0); 76#L232true havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 62#L100true __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 19#L800true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 53#L800-1true [2021-10-29 00:05:07,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:07,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-29 00:05:07,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:07,488 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313192326] [2021-10-29 00:05:07,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:07,489 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:07,769 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:07,927 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:07,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:07,931 INFO L85 PathProgramCache]: Analyzing trace with hash 2599242, now seen corresponding path program 1 times [2021-10-29 00:05:07,931 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:07,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470219473] [2021-10-29 00:05:07,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:07,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:07,946 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:07,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:07,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:07,961 INFO L85 PathProgramCache]: Analyzing trace with hash 835895748, now seen corresponding path program 1 times [2021-10-29 00:05:07,961 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:07,961 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237765834] [2021-10-29 00:05:07,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:07,962 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 00:05:08,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 00:05:08,165 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-29 00:05:08,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [237765834] [2021-10-29 00:05:08,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [237765834] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 00:05:08,169 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 00:05:08,169 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 00:05:08,169 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844028780] [2021-10-29 00:05:08,371 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-29 00:05:08,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 00:05:08,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 00:05:08,393 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.5333333333333334) internal successors, (115), 75 states have internal predecessors, (115), 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 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-29 00:05:08,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 00:05:08,631 INFO L93 Difference]: Finished difference Result 76 states and 104 transitions. [2021-10-29 00:05:08,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 00:05:08,634 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 104 transitions. [2021-10-29 00:05:08,644 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-29 00:05:08,656 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 69 states and 97 transitions. [2021-10-29 00:05:08,657 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 69 [2021-10-29 00:05:08,658 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 69 [2021-10-29 00:05:08,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 97 transitions. [2021-10-29 00:05:08,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-29 00:05:08,660 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-29 00:05:08,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 97 transitions. [2021-10-29 00:05:08,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-10-29 00:05:08,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 69 states have (on average 1.4057971014492754) internal successors, (97), 68 states have internal predecessors, (97), 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) [2021-10-29 00:05:08,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 97 transitions. [2021-10-29 00:05:08,697 INFO L704 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-29 00:05:08,698 INFO L587 BuchiCegarLoop]: Abstraction has 69 states and 97 transitions. [2021-10-29 00:05:08,698 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-29 00:05:08,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 69 states and 97 transitions. [2021-10-29 00:05:08,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-10-29 00:05:08,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-29 00:05:08,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-29 00:05:08,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:08,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 00:05:08,703 INFO L791 eck$LassoCheckResult]: Stem: 232#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string8.base, #t~string8.offset := #Ultimate.allocOnStack(13);call #t~string10.base, #t~string10.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(77, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(101, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(116, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(104, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string12.base, #t~string12.offset, 1);call write~init~int(82, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(73, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(84, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 4 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(75, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 1 + #t~string16.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(13);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string30.base, #t~string30.offset, 1);call write~init~int(80, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(117, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(109, #t~string30.base, 3 + #t~string30.offset, 1);call write~init~int(112, #t~string30.base, 4 + #t~string30.offset, 1);call write~init~int(58, #t~string30.base, 5 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 6 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string32.base, #t~string32.offset, 1);call write~init~int(110, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(102, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 3 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string36.base, #t~string36.offset, 1);call write~init~int(32, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 2 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string38.base, #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 1 + #t~string38.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(25);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(30);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(9);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 223#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~11, main_~tmp~7;havoc main_~retValue_acc~11;havoc main_~tmp~7; 200#L395 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 201#L403 main_#t~ret78 := valid_product_#res;main_~tmp~7 := main_#t~ret78;havoc main_#t~ret78; 234#L905 assume 0 != main_~tmp~7; 220#L881 ~methAndRunningLastTime~0 := 0; 172#L789 havoc test_#t~nondet17, test_#t~nondet18, test_#t~nondet19, test_#t~nondet20, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 173#L800-1 [2021-10-29 00:05:08,703 INFO L793 eck$LassoCheckResult]: Loop: 173#L800-1 assume !false; 183#L159 assume test_~splverifierCounter~0 < 4; 184#L160 test_~tmp~0 := test_#t~nondet17;havoc test_#t~nondet17; 176#L168 assume !(0 != test_~tmp~0); 178#L168-1 test_~tmp___0~0 := test_#t~nondet18;havoc test_#t~nondet18; 215#L178 assume !(0 != test_~tmp___0~0); 217#L178-1 test_~tmp___2~0 := test_#t~nondet19;havoc test_#t~nondet19; 202#L188 assume 0 != test_~tmp___2~0; 204#L194-2 assume !(0 != ~pumpRunning~0); 175#L225 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret21, processEnvironment_~tmp~1;havoc processEnvironment_~tmp~1; 221#L257 assume !(0 != ~pumpRunning~0); 238#L232 havoc __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_#t~ret77, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 237#L100 __utac_acc__Specification2_spec__2_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret76;havoc __utac_acc__Specification2_spec__2_#t~ret76; 198#L800 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 173#L800-1 [2021-10-29 00:05:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:08,704 INFO L85 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-10-29 00:05:08,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:08,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805380100] [2021-10-29 00:05:08,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:08,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:08,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:08,773 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:08,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:08,884 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:08,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:08,896 INFO L85 PathProgramCache]: Analyzing trace with hash 53583393, now seen corresponding path program 1 times [2021-10-29 00:05:08,897 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:08,897 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722976833] [2021-10-29 00:05:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:08,898 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:08,907 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:08,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:08,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:05:08,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 00:05:08,931 INFO L85 PathProgramCache]: Analyzing trace with hash 115971303, now seen corresponding path program 1 times [2021-10-29 00:05:08,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-29 00:05:08,932 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370608448] [2021-10-29 00:05:08,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 00:05:08,932 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 00:05:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:08,990 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 00:05:09,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 00:05:09,064 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-29 00:06:22,054 WARN L207 SmtUtils]: Spent 1.21 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-29 00:07:33,885 WARN L207 SmtUtils]: Spent 35.77 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-29 00:07:34,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.10 12:07:34 BoogieIcfgContainer [2021-10-29 00:07:34,017 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-29 00:07:34,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 00:07:34,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 00:07:34,018 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 00:07:34,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 12:05:07" (3/4) ... [2021-10-29 00:07:34,022 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-29 00:07:34,079 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-29 00:07:34,086 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 00:07:34,087 INFO L168 Benchmark]: Toolchain (without parser) took 148653.54 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 83.3 MB in the beginning and 111.5 MB in the end (delta: -28.2 MB). Peak memory consumption was 25.2 kB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,089 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 00:07:34,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.77 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 86.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,091 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.94 ms. Allocated memory is still 117.4 MB. Free memory was 86.9 MB in the beginning and 83.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,092 INFO L168 Benchmark]: Boogie Preprocessor took 91.73 ms. Allocated memory is still 117.4 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,093 INFO L168 Benchmark]: RCFGBuilder took 1048.23 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 44.1 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,094 INFO L168 Benchmark]: BuchiAutomizer took 146721.00 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 44.1 MB in the beginning and 113.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,096 INFO L168 Benchmark]: Witness Printer took 68.09 ms. Allocated memory is still 144.7 MB. Free memory was 113.5 MB in the beginning and 111.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 00:07:34,100 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 77.6 MB. Free memory was 54.0 MB in the beginning and 54.0 MB in the end (delta: 29.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.77 ms. Allocated memory is still 117.4 MB. Free memory was 83.2 MB in the beginning and 86.9 MB in the end (delta: -3.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.94 ms. Allocated memory is still 117.4 MB. Free memory was 86.9 MB in the beginning and 83.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 91.73 ms. Allocated memory is still 117.4 MB. Free memory was 83.9 MB in the beginning and 81.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1048.23 ms. Allocated memory is still 117.4 MB. Free memory was 81.8 MB in the beginning and 44.1 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 146721.00 ms. Allocated memory was 117.4 MB in the beginning and 144.7 MB in the end (delta: 27.3 MB). Free memory was 44.1 MB in the beginning and 113.5 MB in the end (delta: -69.4 MB). Peak memory consumption was 46.0 MB. Max. memory is 16.1 GB. * Witness Printer took 68.09 ms. Allocated memory is still 144.7 MB. Free memory was 113.5 MB in the beginning and 111.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 69 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 146.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 146.2s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 69 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 99 SDtfs, 304 SDslu, 2 SDs, 0 SdLazy, 8 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 158]: 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=0, NULL=0, NULL=10201, NULL=0, NULL=1, NULL=10204, NULL=0, NULL=0, NULL=10182, NULL=10202, NULL=10197, NULL=10193, methaneLevelCritical=0, NULL=10186, NULL=0, NULL=0, NULL=10203, tmp___1=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2b23b=0, NULL=10190, NULL=10205, cleanupTimeShifts=4, tmp=0, NULL=10198, NULL=10187, NULL=0, systemActive=1, waterLevel=1, NULL=10194, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=10189, NULL=0, tmp___0=0, NULL=10181, retValue_acc=0, NULL=10188, \result=1, head=0, pumpRunning=0, \result=0, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@615690bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@370219b4=0, NULL=10192, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=10206, tmp___2=59, NULL=10200, NULL=10180, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=10196, NULL=10185, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70927c1b=59, NULL=10195, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@771b0e44=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20194b9=0, NULL=10179, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d66e639=0, NULL=0, NULL=0, NULL=10184, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1f9097d6=0, NULL=10199, NULL=10183, NULL=10191, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L217] int pumpRunning = 0; [L218] int systemActive = 1; [L586] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L783] int methAndRunningLastTime ; [L822] int cleanupTimeShifts = 4; [L896] int retValue_acc ; [L897] int tmp ; [L399] int retValue_acc ; [L402] retValue_acc = 1 [L403] return (retValue_acc); [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L788] methAndRunningLastTime = 0 [L149] int splverifierCounter ; [L150] int tmp ; [L151] int tmp___0 ; [L152] int tmp___1 ; [L153] int tmp___2 ; [L156] splverifierCounter = 0 Loop: [L158] COND TRUE 1 [L160] COND TRUE splverifierCounter < 4 [L166] tmp = __VERIFIER_nondet_int() [L168] COND FALSE !(\read(tmp)) [L176] tmp___0 = __VERIFIER_nondet_int() [L178] COND FALSE !(\read(tmp___0)) [L186] tmp___2 = __VERIFIER_nondet_int() [L188] COND TRUE \read(tmp___2) [L225] COND FALSE !(\read(pumpRunning)) [L232] COND TRUE \read(systemActive) [L254] int tmp ; [L257] COND FALSE !(\read(pumpRunning)) [L793] int tmp ; [L794] int tmp___0 ; [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L798] tmp = isMethaneLevelCritical() [L800] COND FALSE !(\read(tmp)) [L816] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-29 00:07:34,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67d8f6ac-cac1-492c-9e81-ce6e211330b3/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...