./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.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_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg --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 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c ......................................................................................................................................................................................................................................................................................................................................................................................... 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 [2021-10-28 08:48:51,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 08:48:51,838 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 08:48:51,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 08:48:51,920 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 08:48:51,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 08:48:51,930 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 08:48:51,933 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 08:48:51,936 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 08:48:51,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 08:48:51,939 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 08:48:51,940 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 08:48:51,941 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 08:48:51,943 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 08:48:51,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 08:48:51,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 08:48:51,948 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 08:48:51,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 08:48:51,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 08:48:51,956 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 08:48:51,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 08:48:51,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 08:48:51,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 08:48:51,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 08:48:51,978 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 08:48:51,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 08:48:51,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 08:48:51,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 08:48:51,986 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 08:48:51,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 08:48:51,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 08:48:51,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 08:48:51,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 08:48:51,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 08:48:51,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 08:48:51,997 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 08:48:51,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 08:48:51,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 08:48:51,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 08:48:52,000 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 08:48:52,001 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 08:48:52,002 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 08:48:52,044 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 08:48:52,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 08:48:52,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 08:48:52,049 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 08:48:52,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 08:48:52,051 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 08:48:52,051 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 08:48:52,052 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 08:48:52,052 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 08:48:52,052 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 08:48:52,053 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 08:48:52,054 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 08:48:52,054 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 08:48:52,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 08:48:52,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 08:48:52,055 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 08:48:52,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 08:48:52,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 08:48:52,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 08:48:52,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 08:48:52,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 08:48:52,057 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 08:48:52,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 08:48:52,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 08:48:52,058 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 08:48:52,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 08:48:52,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 08:48:52,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 08:48:52,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 08:48:52,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 08:48:52,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 08:48:52,061 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 08:48:52,062 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 08:48:52,062 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_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b26970eb65416cb1a1e0bb57bcc2feb0d77f09134ca74c3d0e7292816d2c43c [2021-10-28 08:48:52,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 08:48:52,465 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 08:48:52,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 08:48:52,470 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 08:48:52,470 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 08:48:52,472 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-10-28 08:48:52,555 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/data/54c880ace/fb4fabb886ba4316be689aae823a3ca1/FLAG4638fec6b [2021-10-28 08:48:53,142 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 08:48:53,143 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c [2021-10-28 08:48:53,157 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/data/54c880ace/fb4fabb886ba4316be689aae823a3ca1/FLAG4638fec6b [2021-10-28 08:48:53,410 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/data/54c880ace/fb4fabb886ba4316be689aae823a3ca1 [2021-10-28 08:48:53,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 08:48:53,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 08:48:53,417 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:53,427 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 08:48:53,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 08:48:53,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:53" (1/1) ... [2021-10-28 08:48:53,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69901c71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:53, skipping insertion in model container [2021-10-28 08:48:53,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 08:48:53" (1/1) ... [2021-10-28 08:48:53,459 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 08:48:53,508 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 08:48:53,845 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_65b20168-ffed-468d-82be-1aed64c7e4d7/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-10-28 08:48:53,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:48:53,918 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 08:48:53,988 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_65b20168-ffed-468d-82be-1aed64c7e4d7/sv-benchmarks/c/product-lines/minepump_spec1_product31.cil.c[8611,8624] [2021-10-28 08:48:54,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 08:48:54,072 INFO L208 MainTranslator]: Completed translation [2021-10-28 08:48:54,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54 WrapperNode [2021-10-28 08:48:54,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 08:48:54,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 08:48:54,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 08:48:54,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 08:48:54,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 08:48:54,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 08:48:54,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 08:48:54,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 08:48:54,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,227 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,250 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 08:48:54,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 08:48:54,266 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 08:48:54,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 08:48:54,276 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (1/1) ... [2021-10-28 08:48:54,289 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 08:48:54,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 08:48:54,321 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 08:48:54,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 08:48:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 08:48:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 08:48:54,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 08:48:54,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 08:48:55,470 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 08:48:55,471 INFO L299 CfgBuilder]: Removed 160 assume(true) statements. [2021-10-28 08:48:55,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:55 BoogieIcfgContainer [2021-10-28 08:48:55,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 08:48:55,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 08:48:55,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 08:48:55,480 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 08:48:55,481 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:48:55,481 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 08:48:53" (1/3) ... [2021-10-28 08:48:55,483 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dd79c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:48:55, skipping insertion in model container [2021-10-28 08:48:55,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:48:55,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 08:48:54" (2/3) ... [2021-10-28 08:48:55,484 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7dd79c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 08:48:55, skipping insertion in model container [2021-10-28 08:48:55,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 08:48:55,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:55" (3/3) ... [2021-10-28 08:48:55,487 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product31.cil.c [2021-10-28 08:48:55,552 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 08:48:55,552 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 08:48:55,552 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 08:48:55,553 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 08:48:55,553 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 08:48:55,553 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 08:48:55,553 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 08:48:55,553 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 08:48:55,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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) [2021-10-28 08:48:55,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 08:48:55,627 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:48:55,628 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:48:55,638 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:48:55,638 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:55,638 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 08:48:55,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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) [2021-10-28 08:48:55,662 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2021-10-28 08:48:55,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:48:55,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:48:55,664 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:48:55,664 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:55,683 INFO L791 eck$LassoCheckResult]: Stem: 95#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 34#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 9#L270true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 104#L278true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 42#L140true assume 0 != main_~tmp~0; 90#L113true havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 85#L293-1true [2021-10-28 08:48:55,684 INFO L793 eck$LassoCheckResult]: Loop: 85#L293-1true assume !false; 62#L535true assume test_~splverifierCounter~0 < 4; 49#L536true test_~tmp~6 := test_#t~nondet42;havoc test_#t~nondet42; 88#L544true assume !(0 != test_~tmp~6); 78#L544-1true test_~tmp___0~2 := test_#t~nondet43;havoc test_#t~nondet43; 106#L554true assume !(0 != test_~tmp___0~2); 7#L554-1true test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 15#L564true assume 0 != test_~tmp___2~0; 101#L570-1true assume !(0 != ~pumpRunning~0); 48#L321true assume !(0 != ~systemActive~0); 80#L328true havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 81#L202-1true __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 94#L293true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 85#L293-1true [2021-10-28 08:48:55,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:55,691 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-10-28 08:48:55,703 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:55,704 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744000532] [2021-10-28 08:48:55,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:55,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:55,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:55,986 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:48:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:56,197 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:48:56,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:56,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1671709749, now seen corresponding path program 1 times [2021-10-28 08:48:56,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:56,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544626505] [2021-10-28 08:48:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:56,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:56,230 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:48:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:56,262 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:48:56,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:56,267 INFO L85 PathProgramCache]: Analyzing trace with hash 42569189, now seen corresponding path program 1 times [2021-10-28 08:48:56,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:56,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400842164] [2021-10-28 08:48:56,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:56,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:56,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 08:48:56,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 08:48:56,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 08:48:56,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400842164] [2021-10-28 08:48:56,525 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400842164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 08:48:56,525 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 08:48:56,525 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 08:48:56,526 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366336157] [2021-10-28 08:48:56,704 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 08:48:56,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 08:48:56,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 08:48:56,728 INFO L87 Difference]: Start difference. First operand has 104 states, 103 states have (on average 1.5145631067961165) internal successors, (156), 103 states have internal predecessors, (156), 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 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 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) [2021-10-28 08:48:57,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 08:48:57,068 INFO L93 Difference]: Finished difference Result 252 states and 354 transitions. [2021-10-28 08:48:57,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 08:48:57,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 252 states and 354 transitions. [2021-10-28 08:48:57,084 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 161 [2021-10-28 08:48:57,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 252 states to 231 states and 333 transitions. [2021-10-28 08:48:57,101 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 231 [2021-10-28 08:48:57,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 231 [2021-10-28 08:48:57,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 231 states and 333 transitions. [2021-10-28 08:48:57,108 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 08:48:57,108 INFO L681 BuchiCegarLoop]: Abstraction has 231 states and 333 transitions. [2021-10-28 08:48:57,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states and 333 transitions. [2021-10-28 08:48:57,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 138. [2021-10-28 08:48:57,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.434782608695652) internal successors, (198), 137 states have internal predecessors, (198), 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) [2021-10-28 08:48:57,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 198 transitions. [2021-10-28 08:48:57,172 INFO L704 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-28 08:48:57,172 INFO L587 BuchiCegarLoop]: Abstraction has 138 states and 198 transitions. [2021-10-28 08:48:57,172 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 08:48:57,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 198 transitions. [2021-10-28 08:48:57,174 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 96 [2021-10-28 08:48:57,174 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 08:48:57,175 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 08:48:57,175 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-28 08:48:57,176 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 08:48:57,176 INFO L791 eck$LassoCheckResult]: Stem: 470#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(13);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string32.base, #t~string32.offset, 1);call write~init~int(80, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(117, #t~string32.base, 2 + #t~string32.offset, 1);call write~init~int(109, #t~string32.base, 3 + #t~string32.offset, 1);call write~init~int(112, #t~string32.base, 4 + #t~string32.offset, 1);call write~init~int(58, #t~string32.base, 5 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 6 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string34.base, #t~string34.offset, 1);call write~init~int(110, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 2 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string36.base, #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(102, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 3 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string38.base, #t~string38.offset, 1);call write~init~int(32, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(21);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(30);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(9);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 423#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 385#L270 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 386#L278 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 435#L140 assume 0 != main_~tmp~0; 436#L113 havoc test_#t~nondet42, test_#t~nondet43, test_#t~nondet44, test_#t~nondet45, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 416#L293-1 [2021-10-28 08:48:57,176 INFO L793 eck$LassoCheckResult]: Loop: 416#L293-1 assume !false; 454#L535 assume test_~splverifierCounter~0 < 4; 443#L536 test_~tmp~6 := test_#t~nondet42;havoc test_#t~nondet42; 444#L544 assume !(0 != test_~tmp~6); 432#L544-1 test_~tmp___0~2 := test_#t~nondet43;havoc test_#t~nondet43; 463#L554 assume !(0 != test_~tmp___0~2); 381#L554-1 test_~tmp___2~0 := test_#t~nondet44;havoc test_#t~nondet44; 382#L564 assume 0 != test_~tmp___2~0; 398#L570-1 assume !(0 != ~pumpRunning~0); 396#L321 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret22, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 442#L379 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret21, processEnvironment__wrappee__methaneQuery_~tmp~2;havoc processEnvironment__wrappee__methaneQuery_~tmp~2; 467#L353-1 assume !(0 != ~pumpRunning~0); 429#L328 havoc __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_#t~ret20, __utac_acc__Specification1_spec__1_~tmp~1, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~1;havoc isMethaneLevelCritical_~retValue_acc~1;isMethaneLevelCritical_~retValue_acc~1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~1; 464#L202-1 __utac_acc__Specification1_spec__1_#t~ret19 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~1 := __utac_acc__Specification1_spec__1_#t~ret19;havoc __utac_acc__Specification1_spec__1_#t~ret19; 465#L293 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1); 416#L293-1 [2021-10-28 08:48:57,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:57,177 INFO L85 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-10-28 08:48:57,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:57,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909529555] [2021-10-28 08:48:57,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:57,179 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,238 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:48:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:48:57,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:57,351 INFO L85 PathProgramCache]: Analyzing trace with hash 1950294333, now seen corresponding path program 1 times [2021-10-28 08:48:57,352 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:57,352 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766860527] [2021-10-28 08:48:57,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:57,354 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,363 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:48:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,372 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:48:57,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 08:48:57,383 INFO L85 PathProgramCache]: Analyzing trace with hash 104912087, now seen corresponding path program 1 times [2021-10-28 08:48:57,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 08:48:57,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385366872] [2021-10-28 08:48:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 08:48:57,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 08:48:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,473 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 08:48:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 08:48:57,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 08:50:12,312 WARN L207 SmtUtils]: Spent 1.24 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-10-28 08:51:24,829 WARN L207 SmtUtils]: Spent 36.56 s on a formula simplification that was a NOOP. DAG size: 433 [2021-10-28 08:51:25,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 08:51:25 BoogieIcfgContainer [2021-10-28 08:51:25,033 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 08:51:25,034 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 08:51:25,034 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 08:51:25,035 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 08:51:25,035 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 08:48:55" (3/4) ... [2021-10-28 08:51:25,038 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 08:51:25,096 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 08:51:25,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 08:51:25,108 INFO L168 Benchmark]: Toolchain (without parser) took 151693.06 ms. Allocated memory was 92.3 MB in the beginning and 153.1 MB in the end (delta: 60.8 MB). Free memory was 50.8 MB in the beginning and 80.1 MB in the end (delta: -29.4 MB). Peak memory consumption was 31.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,110 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 92.3 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 08:51:25,111 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.74 ms. Allocated memory is still 92.3 MB. Free memory was 50.6 MB in the beginning and 57.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,112 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.99 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 54.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,116 INFO L168 Benchmark]: Boogie Preprocessor took 56.70 ms. Allocated memory is still 92.3 MB. Free memory was 54.1 MB in the beginning and 51.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,121 INFO L168 Benchmark]: RCFGBuilder took 1208.50 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 51.8 MB in the beginning and 70.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,122 INFO L168 Benchmark]: BuchiAutomizer took 149558.26 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 70.6 MB in the beginning and 82.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,122 INFO L168 Benchmark]: Witness Printer took 73.00 ms. Allocated memory is still 153.1 MB. Free memory was 82.2 MB in the beginning and 80.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 08:51:25,126 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 92.3 MB. Free memory is still 67.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 656.74 ms. Allocated memory is still 92.3 MB. Free memory was 50.6 MB in the beginning and 57.8 MB in the end (delta: -7.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 131.99 ms. Allocated memory is still 92.3 MB. Free memory was 57.8 MB in the beginning and 54.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.70 ms. Allocated memory is still 92.3 MB. Free memory was 54.1 MB in the beginning and 51.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1208.50 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 51.8 MB in the beginning and 70.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 149558.26 ms. Allocated memory was 115.3 MB in the beginning and 153.1 MB in the end (delta: 37.7 MB). Free memory was 70.6 MB in the beginning and 82.2 MB in the end (delta: -11.6 MB). Peak memory consumption was 74.3 MB. Max. memory is 16.1 GB. * Witness Printer took 73.00 ms. Allocated memory is still 153.1 MB. Free memory was 82.2 MB in the beginning and 80.1 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 6 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 149.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 148.8s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 138 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 143 SDtfs, 550 SDslu, 659 SDs, 0 SdLazy, 42 SolverSat, 9 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: 534]: 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=7029, retValue_acc=0, NULL=0, NULL=0, retValue_acc=0, NULL=1, NULL=0, NULL=7028, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cf28edc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2aa40153=66, NULL=7042, NULL=7022, NULL=7037, methaneLevelCritical=0, NULL=0, NULL=0, NULL=7044, NULL=0, tmp=0, NULL=0, NULL=7038, NULL=0, tmp___1=0, NULL=0, NULL=0, tmp___0=0, NULL=7021, NULL=7027, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b84297e=0, cleanupTimeShifts=4, NULL=7036, NULL=7026, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@679a834a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2effa1a3=0, NULL=0, systemActive=1, waterLevel=1, NULL=7041, NULL=0, NULL=0, NULL=0, NULL=7024, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7260a4c8=0, \result=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=7045, NULL=0, NULL=7040, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6dc25514=0, NULL=0, tmp=0, NULL=0, retValue_acc=1, NULL=0, NULL=7035, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32517e79=0, NULL=0, NULL=7046, NULL=0, NULL=0, NULL=7023, NULL=0, tmp___2=66, NULL=0, tmp___0=0, NULL=7032, NULL=7020, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=7039, NULL=7025, NULL=7043, NULL=7047, tmp=0, head=0, NULL=0, NULL=0, NULL=7034, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b1970ef=0, NULL=7031, NULL=0, NULL=0, NULL=7033, NULL=7030, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L159] int waterLevel = 1; [L160] int methaneLevelCritical = 0; [L314] int pumpRunning = 0; [L315] int systemActive = 1; [L769] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L274] int retValue_acc ; [L277] retValue_acc = 1 [L278] return (retValue_acc); [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L525] int splverifierCounter ; [L526] int tmp ; [L527] int tmp___0 ; [L528] int tmp___1 ; [L529] int tmp___2 ; [L532] splverifierCounter = 0 Loop: [L534] COND TRUE 1 [L536] COND TRUE splverifierCounter < 4 [L542] tmp = __VERIFIER_nondet_int() [L544] COND FALSE !(\read(tmp)) [L552] tmp___0 = __VERIFIER_nondet_int() [L554] COND FALSE !(\read(tmp___0)) [L562] tmp___2 = __VERIFIER_nondet_int() [L564] COND TRUE \read(tmp___2) [L321] COND FALSE !(\read(pumpRunning)) [L328] COND TRUE \read(systemActive) [L376] int tmp ; [L379] COND FALSE !(\read(pumpRunning)) [L350] int tmp ; [L353] COND FALSE !(\read(pumpRunning)) [L286] int tmp ; [L287] int tmp___0 ; [L198] int retValue_acc ; [L201] retValue_acc = methaneLevelCritical [L202] return (retValue_acc); [L291] tmp = isMethaneLevelCritical() [L293] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 08:51:25,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65b20168-ffed-468d-82be-1aed64c7e4d7/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...