./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y --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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:25:00,255 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:25:00,258 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:25:00,302 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:25:00,303 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:25:00,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:25:00,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:25:00,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:25:00,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:25:00,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:25:00,325 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:25:00,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:25:00,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:25:00,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:25:00,334 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:25:00,341 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:25:00,342 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:25:00,343 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:25:00,345 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:25:00,347 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:25:00,349 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:25:00,354 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:25:00,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:25:00,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:25:00,369 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:25:00,370 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:25:00,371 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:25:00,374 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:25:00,375 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:25:00,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:25:00,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:25:00,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:25:00,380 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:25:00,381 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:25:00,384 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:25:00,384 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:25:00,385 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:25:00,385 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:25:00,385 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:25:00,386 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:25:00,387 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:25:00,388 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:25:00,433 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:25:00,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:25:00,434 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:25:00,434 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:25:00,442 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:25:00,442 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:25:00,442 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:25:00,442 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:25:00,442 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:25:00,443 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:25:00,444 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:25:00,444 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:25:00,444 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:25:00,445 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:25:00,445 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:25:00,445 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:25:00,445 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:25:00,445 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:25:00,446 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:25:00,446 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:25:00,446 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:25:00,446 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:25:00,446 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:25:00,447 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:25:00,447 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:25:00,447 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:25:00,447 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:25:00,448 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:25:00,448 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:25:00,448 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:25:00,448 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:25:00,449 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:25:00,451 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:25:00,451 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_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2021-11-13 18:25:00,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:25:00,807 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:25:00,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:25:00,811 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:25:00,812 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:25:00,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-11-13 18:25:00,907 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/data/08e5560b2/3d287985a4644095bbe0ebc5a434b518/FLAGbc714e916 [2021-11-13 18:25:01,425 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:25:01,426 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2021-11-13 18:25:01,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/data/08e5560b2/3d287985a4644095bbe0ebc5a434b518/FLAGbc714e916 [2021-11-13 18:25:01,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/data/08e5560b2/3d287985a4644095bbe0ebc5a434b518 [2021-11-13 18:25:01,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:25:01,738 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:25:01,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:25:01,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:25:01,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:25:01,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:25:01" (1/1) ... [2021-11-13 18:25:01,756 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56a43d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:01, skipping insertion in model container [2021-11-13 18:25:01,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:25:01" (1/1) ... [2021-11-13 18:25:01,764 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:25:01,823 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:25:02,121 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_8a8809d3-cc00-492f-8034-f3b93c571ce6/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-11-13 18:25:02,173 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:25:02,184 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:25:02,262 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_8a8809d3-cc00-492f-8034-f3b93c571ce6/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c[14184,14197] [2021-11-13 18:25:02,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:25:02,308 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:25:02,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02 WrapperNode [2021-11-13 18:25:02,309 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:25:02,311 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:25:02,311 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:25:02,311 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:25:02,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,415 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:25:02,417 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:25:02,418 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:25:02,419 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:25:02,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,476 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,483 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:25:02,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:25:02,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:25:02,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:25:02,501 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (1/1) ... [2021-11-13 18:25:02,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:25:02,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:25:02,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:25:02,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:25:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:25:02,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:25:02,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:25:02,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:25:03,565 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:25:03,565 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-13 18:25:03,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:03 BoogieIcfgContainer [2021-11-13 18:25:03,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:25:03,574 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:25:03,574 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:25:03,578 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:25:03,578 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:03,579 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:25:01" (1/3) ... [2021-11-13 18:25:03,580 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21190e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:25:03, skipping insertion in model container [2021-11-13 18:25:03,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:03,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:25:02" (2/3) ... [2021-11-13 18:25:03,581 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@21190e03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:25:03, skipping insertion in model container [2021-11-13 18:25:03,581 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:25:03,581 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:03" (3/3) ... [2021-11-13 18:25:03,583 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2021-11-13 18:25:03,632 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:25:03,632 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:25:03,633 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:25:03,633 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:25:03,633 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:25:03,633 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:25:03,633 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:25:03,633 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:25:03,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2021-11-13 18:25:03,676 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-13 18:25:03,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:25:03,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:25:03,683 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:03,683 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:03,683 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:25:03,684 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2021-11-13 18:25:03,691 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-13 18:25:03,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:25:03,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:25:03,692 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:03,693 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:03,698 INFO L791 eck$LassoCheckResult]: Stem: 86#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 42#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#L83true main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 92#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 40#L601true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 58#L863-2true [2021-11-13 18:25:03,699 INFO L793 eck$LassoCheckResult]: Loop: 58#L863-2true assume !false; 80#L864true assume test_~splverifierCounter~0#1 < 4; 73#L865true test_~tmp~7#1 := test_#t~nondet75#1;havoc test_#t~nondet75#1; 34#L873true assume !(0 != test_~tmp~7#1); 100#L873-2true test_~tmp___0~1#1 := test_#t~nondet76#1;havoc test_#t~nondet76#1; 29#L883true assume !(0 != test_~tmp___0~1#1); 22#L883-2true test_~tmp___2~0#1 := test_#t~nondet77#1;havoc test_#t~nondet77#1; 57#L893true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L823true assume { :end_inline_startSystem } true; 75#L901-2true assume { :begin_inline_timeShift } true; 78#L661true assume !(0 != ~pumpRunning~0); 24#L661-2true assume !(0 != ~systemActive~0); 87#L668-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret73#1, __utac_acc__Specification4_spec__1_#t~ret74#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 64#L535true __utac_acc__Specification4_spec__1_#t~ret73#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret73#1;havoc __utac_acc__Specification4_spec__1_#t~ret73#1; 91#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 18#L835-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 74#L678true assume { :end_inline_timeShift } true; 58#L863-2true [2021-11-13 18:25:03,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:03,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-13 18:25:03,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:03,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922069394] [2021-11-13 18:25:03,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:03,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,051 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:04,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:04,268 INFO L85 PathProgramCache]: Analyzing trace with hash 134246081, now seen corresponding path program 1 times [2021-11-13 18:25:04,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:04,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391600792] [2021-11-13 18:25:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:04,271 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 18:25:04,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 18:25:04,350 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-13 18:25:04,350 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391600792] [2021-11-13 18:25:04,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391600792] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-13 18:25:04,352 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-13 18:25:04,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-13 18:25:04,353 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482442377] [2021-11-13 18:25:04,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-13 18:25:04,359 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-13 18:25:04,360 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-13 18:25:04,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-13 18:25:04,400 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-13 18:25:04,405 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-11-13 18:25:04,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-13 18:25:04,498 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2021-11-13 18:25:04,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-13 18:25:04,505 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 237 transitions. [2021-11-13 18:25:04,521 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2021-11-13 18:25:04,531 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 167 states and 216 transitions. [2021-11-13 18:25:04,532 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2021-11-13 18:25:04,535 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2021-11-13 18:25:04,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 216 transitions. [2021-11-13 18:25:04,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 18:25:04,538 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 216 transitions. [2021-11-13 18:25:04,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 216 transitions. [2021-11-13 18:25:04,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2021-11-13 18:25:04,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2021-11-13 18:25:04,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2021-11-13 18:25:04,586 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2021-11-13 18:25:04,586 INFO L587 BuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2021-11-13 18:25:04,587 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 18:25:04,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 212 transitions. [2021-11-13 18:25:04,590 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2021-11-13 18:25:04,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:25:04,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:25:04,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:04,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-13 18:25:04,592 INFO L791 eck$LassoCheckResult]: Stem: 383#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#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~string26.base, #t~string26.offset := #Ultimate.allocOnStack(30);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(9);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(21);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(30);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(9);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(21);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(30);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(9);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(25);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(30);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(9);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(25);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(13);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(80, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(117, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(109, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(112, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(32, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 2 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string72.base, #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 1 + #t~string72.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret53#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 374#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 392#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 356#L83 main_#t~ret53#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret53#1;havoc main_#t~ret53#1; 357#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 387#L601 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet75#1, test_#t~nondet76#1, test_#t~nondet77#1, test_#t~nondet78#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 394#L863-2 [2021-11-13 18:25:04,593 INFO L793 eck$LassoCheckResult]: Loop: 394#L863-2 assume !false; 432#L864 assume test_~splverifierCounter~0#1 < 4; 367#L865 test_~tmp~7#1 := test_#t~nondet75#1;havoc test_#t~nondet75#1; 368#L873 assume !(0 != test_~tmp~7#1); 339#L873-2 test_~tmp___0~1#1 := test_#t~nondet76#1;havoc test_#t~nondet76#1; 370#L883 assume !(0 != test_~tmp___0~1#1); 330#L883-2 test_~tmp___2~0#1 := test_#t~nondet77#1;havoc test_#t~nondet77#1; 331#L893 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet78#1;havoc test_#t~nondet78#1; 332#L901 assume !(0 != test_~tmp___1~0#1); 301#L901-2 assume { :begin_inline_timeShift } true; 369#L661 assume !(0 != ~pumpRunning~0); 341#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret54#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 364#L693 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 380#L685-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 311#L693-1 assume { :end_inline_processEnvironment } true; 312#L668-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret73#1, __utac_acc__Specification4_spec__1_#t~ret74#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 347#L535 __utac_acc__Specification4_spec__1_#t~ret73#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret73#1;havoc __utac_acc__Specification4_spec__1_#t~ret73#1; 348#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 365#L835-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 433#L678 assume { :end_inline_timeShift } true; 394#L863-2 [2021-11-13 18:25:04,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:04,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-13 18:25:04,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:04,595 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730779517] [2021-11-13 18:25:04,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:04,596 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,669 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:04,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,777 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:04,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:04,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1267785755, now seen corresponding path program 1 times [2021-11-13 18:25:04,783 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:04,783 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954013831] [2021-11-13 18:25:04,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:04,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:04,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,790 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:04,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:25:04,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:25:04,799 INFO L85 PathProgramCache]: Analyzing trace with hash 1379183529, now seen corresponding path program 1 times [2021-11-13 18:25:04,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:25:04,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116148651] [2021-11-13 18:25:04,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:25:04,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:25:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,848 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:25:04,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:25:04,960 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:26:00,333 WARN L227 SmtUtils]: Spent 55.19s on a formula simplification. DAG size of input: 491 DAG size of output: 433 (called from [L 231] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:27:01,144 WARN L227 SmtUtils]: Spent 29.75s on a formula simplification that was a NOOP. DAG size: 433 (called from [L 268] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2021-11-13 18:27:01,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:27:01 BoogieIcfgContainer [2021-11-13 18:27:01,310 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:27:01,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:27:01,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:27:01,311 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:27:01,311 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:25:03" (3/4) ... [2021-11-13 18:27:01,314 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-13 18:27:01,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:27:01,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:27:01,367 INFO L158 Benchmark]: Toolchain (without parser) took 119628.92ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 77.3MB in the beginning and 43.8MB in the end (delta: 33.5MB). Peak memory consumption was 89.0MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,367 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:27:01,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 557.65ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 84.3MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.22ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,369 INFO L158 Benchmark]: Boogie Preprocessor took 81.58ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,369 INFO L158 Benchmark]: RCFGBuilder took 1074.22ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 89.1MB in the end (delta: -9.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,370 INFO L158 Benchmark]: BuchiAutomizer took 117735.71ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 89.1MB in the beginning and 45.9MB in the end (delta: 43.2MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,370 INFO L158 Benchmark]: Witness Printer took 55.38ms. Allocated memory is still 172.0MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:27:01,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 557.65ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 84.3MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.22ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 81.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 81.58ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 79.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1074.22ms. Allocated memory is still 117.4MB. Free memory was 79.4MB in the beginning and 89.1MB in the end (delta: -9.7MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 117735.71ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 89.1MB in the beginning and 45.9MB in the end (delta: 43.2MB). Peak memory consumption was 106.9MB. Max. memory is 16.1GB. * Witness Printer took 55.38ms. Allocated memory is still 172.0MB. Free memory was 45.9MB in the beginning and 43.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * 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 3 locations. The remainder module has 164 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 117.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 117.3s. Construction of modules took 0.0s. 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, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 164 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 39.54ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 28.14ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 122 mSDtfsCounter, 10 mSolverCounterSat, 7.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 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: 863]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2239} State at position 1 is {splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13cb6993=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@638b19e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d0da6f0=0, NULL=0, NULL=2239, NULL=2247, NULL=0, NULL=0, NULL=0, retValue_acc=1, NULL=2241, NULL=2265, NULL=2248, methaneLevelCritical=0, NULL=2264, retValue_acc=1, NULL=0, NULL=0, NULL=2249, NULL=2267, NULL=0, NULL=0, tmp___2=0, NULL=2262, NULL=2261, NULL=2243, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f6b790e=0, tmp=1, cleanupTimeShifts=4, NULL=2258, NULL=2254, \result=0, tmp=0, NULL=0, NULL=0, \result=1, tmp___1=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=2253, NULL=2260, NULL=0, NULL=0, NULL=2251, NULL=0, NULL=2244, tmp___0=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31501022=0, NULL=2252, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@25ce97b0=0, NULL=0, NULL=2242, tmp___0=0, NULL=0, NULL=0, NULL=2259, NULL=2250, NULL=0, tmp=1, \result=1, NULL=2263, retValue_acc=0, NULL=2255, NULL=2256, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3de9caf9=0, NULL=2240, NULL=2245, head=0, NULL=0, NULL=0, NULL=2266, NULL=0, NULL=0, NULL=0, NULL=2257, NULL=2246, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@230258ed=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L540] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 18:27:01,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8a8809d3-cc00-492f-8034-f3b93c571ce6/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)