./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d ......................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:09:19,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:09:19,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:09:19,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:09:19,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:09:19,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:09:19,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:09:19,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:09:19,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:09:19,269 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:09:19,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:09:19,273 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:09:19,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:09:19,276 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:09:19,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:09:19,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:09:19,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:09:19,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:09:19,294 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:09:19,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:09:19,304 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:09:19,306 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:09:19,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:09:19,310 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:09:19,319 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:09:19,320 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:09:19,320 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:09:19,322 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:09:19,323 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:09:19,324 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:09:19,325 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:09:19,326 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:09:19,328 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:09:19,329 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:09:19,330 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:09:19,331 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:09:19,331 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:09:19,332 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:09:19,332 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:09:19,333 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:09:19,333 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:09:19,334 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:09:19,383 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:09:19,384 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:09:19,384 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:09:19,385 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:09:19,386 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:09:19,386 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:09:19,386 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:09:19,387 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:09:19,387 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:09:19,387 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:09:19,388 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:09:19,388 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:09:19,389 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:09:19,389 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:09:19,389 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:09:19,389 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:09:19,390 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:09:19,390 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:09:19,390 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:09:19,390 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:09:19,390 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:09:19,391 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:09:19,391 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:09:19,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:09:19,391 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:09:19,391 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:09:19,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:09:19,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:09:19,394 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:09:19,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:09:19,394 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:09:19,394 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:09:19,396 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:09:19,396 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_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e05f070a9d08445f8047170ff42067dbbb0e8df76d1f1098124b2282ee971e1d [2021-10-21 19:09:19,700 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:09:19,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:09:19,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:09:19,727 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:09:19,727 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:09:19,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-10-21 19:09:19,797 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/data/d8bbe2b20/6780064af51245b2943ed42318bfc42a/FLAG4776f1b71 [2021-10-21 19:09:20,449 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:09:20,450 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c [2021-10-21 19:09:20,468 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/data/d8bbe2b20/6780064af51245b2943ed42318bfc42a/FLAG4776f1b71 [2021-10-21 19:09:20,703 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/data/d8bbe2b20/6780064af51245b2943ed42318bfc42a [2021-10-21 19:09:20,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:09:20,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:09:20,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:20,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:09:20,723 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:09:20,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:20" (1/1) ... [2021-10-21 19:09:20,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f824874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:20, skipping insertion in model container [2021-10-21 19:09:20,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:20" (1/1) ... [2021-10-21 19:09:20,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:09:20,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:09:21,067 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_d73a3419-e353-45e9-b05d-0bab920673f2/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-10-21 19:09:21,076 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:21,087 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:09:21,193 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_d73a3419-e353-45e9-b05d-0bab920673f2/sv-benchmarks/c/product-lines/minepump_spec2_product04.cil.c[15732,15745] [2021-10-21 19:09:21,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:21,219 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:09:21,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21 WrapperNode [2021-10-21 19:09:21,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:21,221 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:21,222 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:09:21,222 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:09:21,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,246 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:21,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:09:21,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:09:21,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:09:21,291 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:09:21,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:09:21,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:09:21,323 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:09:21,336 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (1/1) ... [2021-10-21 19:09:21,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:09:21,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:21,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:21,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:09:21,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:09:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:09:21,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:09:21,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:09:22,310 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:09:22,310 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-10-21 19:09:22,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:22 BoogieIcfgContainer [2021-10-21 19:09:22,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:09:22,314 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:09:22,314 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:09:22,318 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:09:22,318 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:09:22,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:09:20" (1/3) ... [2021-10-21 19:09:22,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a08178a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:09:22, skipping insertion in model container [2021-10-21 19:09:22,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:09:22,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:21" (2/3) ... [2021-10-21 19:09:22,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a08178a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:09:22, skipping insertion in model container [2021-10-21 19:09:22,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:09:22,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:22" (3/3) ... [2021-10-21 19:09:22,323 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product04.cil.c [2021-10-21 19:09:22,365 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:09:22,365 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:09:22,365 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:09:22,366 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:09:22,366 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:09:22,366 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:09:22,366 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:09:22,366 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:09:22,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:22,399 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-21 19:09:22,400 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:22,400 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:22,407 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:22,407 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:22,407 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:09:22,408 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5423728813559323) internal successors, (91), 59 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:22,413 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-10-21 19:09:22,413 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:09:22,413 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:09:22,414 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:22,414 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:22,419 INFO L791 eck$LassoCheckResult]: Stem: 52#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(13);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string52.base, #t~string52.offset, 1);call write~init~int(110, #t~string52.base, 1 + #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 2 + #t~string52.offset, 1);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(102, #t~string54.base, 2 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 3 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string56.base, #t~string56.offset, 1);call write~init~int(80, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(117, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(109, #t~string56.base, 3 + #t~string56.offset, 1);call write~init~int(112, #t~string56.base, 4 + #t~string56.offset, 1);call write~init~int(58, #t~string56.base, 5 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 6 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string62.base, #t~string62.offset, 1);call write~init~int(32, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string64.base, #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 1 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(13);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string68.base, #t~string68.offset, 1);call write~init~int(77, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(101, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(116, #t~string68.base, 3 + #t~string68.offset, 1);call write~init~int(104, #t~string68.base, 4 + #t~string68.offset, 1);call write~init~int(58, #t~string68.base, 5 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 6 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string70.base, #t~string70.offset, 1);call write~init~int(82, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(73, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(84, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 4 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(75, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~methAndRunningLastTime~0 := 0; 43#L-1true havoc main_#res;havoc main_#t~ret43, main_~retValue_acc~5, main_~tmp~3;havoc main_~retValue_acc~5;havoc main_~tmp~3; 25#L441true havoc valid_product_#res;havoc valid_product_~retValue_acc~4;havoc valid_product_~retValue_acc~4;valid_product_~retValue_acc~4 := 1;valid_product_#res := valid_product_~retValue_acc~4; 3#L449true main_#t~ret43 := valid_product_#res;main_~tmp~3 := main_#t~ret43;havoc main_#t~ret43; 50#L543true assume 0 != main_~tmp~3; 19#L517true ~methAndRunningLastTime~0 := 0; 37#L861true havoc test_#t~nondet44, test_#t~nondet45, test_#t~nondet46, test_#t~nondet47, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 4#L872-1true [2021-10-21 19:09:22,420 INFO L793 eck$LassoCheckResult]: Loop: 4#L872-1true assume !false; 41#L570true assume test_~splverifierCounter~0 < 4; 53#L571true test_~tmp~4 := test_#t~nondet44;havoc test_#t~nondet44; 12#L579true assume !(0 != test_~tmp~4); 10#L579-1true test_~tmp___0~0 := test_#t~nondet45;havoc test_#t~nondet45; 13#L589true assume !(0 != test_~tmp___0~0); 39#L589-1true test_~tmp___2~0 := test_#t~nondet46;havoc test_#t~nondet46; 59#L599true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 49#L607-1true assume !(0 != ~pumpRunning~0); 47#L642true assume 0 != ~systemActive~0; 60#L649true havoc __utac_acc__Specification2_spec__2_#t~ret75, __utac_acc__Specification2_spec__2_#t~ret76, __utac_acc__Specification2_spec__2_~tmp~5, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~5;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 21#L818true __utac_acc__Specification2_spec__2_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~5 := __utac_acc__Specification2_spec__2_#t~ret75;havoc __utac_acc__Specification2_spec__2_#t~ret75; 16#L872true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5);~methAndRunningLastTime~0 := 0; 4#L872-1true [2021-10-21 19:09:22,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:22,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-10-21 19:09:22,435 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:22,436 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249342817] [2021-10-21 19:09:22,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:22,437 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:22,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:22,722 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:22,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:22,923 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:22,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:22,941 INFO L82 PathProgramCache]: Analyzing trace with hash 11252535, now seen corresponding path program 1 times [2021-10-21 19:09:22,942 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:22,942 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357831229] [2021-10-21 19:09:22,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:22,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:22,963 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:22,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:09:22,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:22,975 INFO L82 PathProgramCache]: Analyzing trace with hash 844549041, now seen corresponding path program 1 times [2021-10-21 19:09:22,975 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:22,976 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160046213] [2021-10-21 19:09:22,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:22,976 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:23,047 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:09:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:09:23,175 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:10:21,053 WARN L207 SmtUtils]: Spent 57.67 s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-10-21 19:11:19,672 WARN L207 SmtUtils]: Spent 29.72 s on a formula simplification that was a NOOP. DAG size: 435 [2021-10-21 19:11:19,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:11:19 BoogieIcfgContainer [2021-10-21 19:11:19,875 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:11:19,876 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:11:19,876 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:11:19,876 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:11:19,877 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:22" (3/4) ... [2021-10-21 19:11:19,879 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-21 19:11:19,936 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:11:19,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:11:19,937 INFO L168 Benchmark]: Toolchain (without parser) took 119230.02 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 55.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,938 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 50.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:11:19,939 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.44 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 63.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,939 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 109.1 MB. Free memory was 63.6 MB in the beginning and 61.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,940 INFO L168 Benchmark]: Boogie Preprocessor took 39.17 ms. Allocated memory is still 109.1 MB. Free memory was 61.0 MB in the beginning and 59.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,941 INFO L168 Benchmark]: RCFGBuilder took 990.46 ms. Allocated memory is still 109.1 MB. Free memory was 59.0 MB in the beginning and 65.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,942 INFO L168 Benchmark]: BuchiAutomizer took 117561.68 ms. Allocated memory is still 109.1 MB. Free memory was 65.9 MB in the beginning and 57.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,943 INFO L168 Benchmark]: Witness Printer took 60.21 ms. Allocated memory is still 109.1 MB. Free memory was 57.7 MB in the beginning and 55.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,947 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 83.9 MB. Free memory is still 50.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 512.44 ms. Allocated memory is still 109.1 MB. Free memory was 81.4 MB in the beginning and 63.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.49 ms. Allocated memory is still 109.1 MB. Free memory was 63.6 MB in the beginning and 61.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.17 ms. Allocated memory is still 109.1 MB. Free memory was 61.0 MB in the beginning and 59.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 990.46 ms. Allocated memory is still 109.1 MB. Free memory was 59.0 MB in the beginning and 65.9 MB in the end (delta: -6.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 117561.68 ms. Allocated memory is still 109.1 MB. Free memory was 65.9 MB in the beginning and 57.7 MB in the end (delta: 8.3 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 60.21 ms. Allocated memory is still 109.1 MB. Free memory was 57.7 MB in the beginning and 55.7 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 Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 117.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 117.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 569]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5662b94e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@874a19a=85, NULL=0, NULL=29096, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5478e2dd=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@dafd94f=0, NULL=29091, NULL=29111, NULL=29109, methaneLevelCritical=0, NULL=29105, tmp=0, NULL=0, NULL=0, NULL=29087, tmp___1=0, NULL=29090, NULL=0, NULL=0, NULL=29099, NULL=29110, NULL=29089, cleanupTimeShifts=4, NULL=29086, NULL=29107, NULL=29095, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=29092, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7be102d5=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=29102, NULL=0, NULL=0, NULL=29104, \result=1, head=0, pumpRunning=0, \result=0, NULL=29100, tmp=1, NULL=29101, NULL=0, NULL=29098, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ef1b970=0, NULL=0, NULL=29112, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1956a870=0, retValue_acc=1, NULL=0, NULL=0, NULL=29094, tmp___2=85, tmp___0=0, NULL=29088, NULL=29106, splverifierCounter=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=29103, NULL=29097, head=0, NULL=0, NULL=0, NULL=29093, NULL=0, NULL=0, NULL=29108, NULL=29113, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L634] int pumpRunning = 0; [L635] int systemActive = 1; [L775] int waterLevel = 1; [L776] int methaneLevelCritical = 0; [L855] int methAndRunningLastTime ; [L534] int retValue_acc ; [L535] int tmp ; [L445] int retValue_acc ; [L448] retValue_acc = 1 [L449] return (retValue_acc); [L541] tmp = valid_product() [L543] COND TRUE \read(tmp) [L860] methAndRunningLastTime = 0 [L560] int splverifierCounter ; [L561] int tmp ; [L562] int tmp___0 ; [L563] int tmp___1 ; [L564] int tmp___2 ; [L567] splverifierCounter = 0 Loop: [L569] COND TRUE 1 [L571] COND TRUE splverifierCounter < 4 [L577] tmp = __VERIFIER_nondet_int() [L579] COND FALSE !(\read(tmp)) [L587] tmp___0 = __VERIFIER_nondet_int() [L589] COND FALSE !(\read(tmp___0)) [L597] tmp___2 = __VERIFIER_nondet_int() [L599] COND TRUE \read(tmp___2) [L760] systemActive = 1 [L642] COND FALSE !(\read(pumpRunning)) [L649] COND TRUE \read(systemActive) [L865] int tmp ; [L866] int tmp___0 ; [L814] int retValue_acc ; [L817] retValue_acc = methaneLevelCritical [L818] return (retValue_acc); [L870] tmp = isMethaneLevelCritical() [L872] COND FALSE !(\read(tmp)) [L888] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-21 19:11:20,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d73a3419-e353-45e9-b05d-0bab920673f2/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...