./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL --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 b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:35:47,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:35:47,103 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:35:47,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:35:47,174 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:35:47,180 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:35:47,183 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:35:47,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:35:47,192 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:35:47,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:35:47,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:35:47,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:35:47,207 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:35:47,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:35:47,215 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:35:47,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:35:47,228 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:35:47,229 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:35:47,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:35:47,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:35:47,245 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:35:47,247 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:35:47,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:35:47,253 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:35:47,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:35:47,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:35:47,263 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:35:47,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:35:47,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:35:47,268 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:35:47,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:35:47,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:35:47,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:35:47,275 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:35:47,277 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:35:47,277 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:35:47,278 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:35:47,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:35:47,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:35:47,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:35:47,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:35:47,284 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 05:35:47,329 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:35:47,329 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:35:47,330 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:35:47,330 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:35:47,332 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:35:47,332 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:35:47,332 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:35:47,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:35:47,333 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:35:47,333 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:35:47,334 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:35:47,334 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:35:47,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:35:47,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:35:47,335 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:35:47,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:35:47,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:35:47,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:35:47,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:35:47,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:35:47,337 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:35:47,337 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:35:47,337 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:35:47,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:35:47,338 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:35:47,338 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:35:47,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:35:47,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:35:47,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:35:47,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:35:47,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:35:47,341 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:35:47,342 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:35:47,342 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_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3bc776f8f5972cbaf9bdebb0620ca1daa854c7cfc4ed6bea81257c061a12aef [2021-11-19 05:35:47,642 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:35:47,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:35:47,688 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:35:47,690 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:35:47,691 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:35:47,693 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-19 05:35:47,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/data/1a72107ca/a5e0e389abc54a52ababcd7e99a4d39a/FLAG359b6d0ac [2021-11-19 05:35:48,478 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:35:48,478 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c [2021-11-19 05:35:48,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/data/1a72107ca/a5e0e389abc54a52ababcd7e99a4d39a/FLAG359b6d0ac [2021-11-19 05:35:48,699 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/data/1a72107ca/a5e0e389abc54a52ababcd7e99a4d39a [2021-11-19 05:35:48,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:35:48,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:35:48,714 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:35:48,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:35:48,721 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:35:48,722 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:35:48" (1/1) ... [2021-11-19 05:35:48,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@713fe1dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:48, skipping insertion in model container [2021-11-19 05:35:48,724 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:35:48" (1/1) ... [2021-11-19 05:35:48,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:35:48,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:35:49,166 WARN L230 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_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-19 05:35:49,280 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:35:49,300 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:35:49,388 WARN L230 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_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/sv-benchmarks/c/product-lines/minepump_spec4_product18.cil.c[7979,7992] [2021-11-19 05:35:49,451 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:35:49,485 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:35:49,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49 WrapperNode [2021-11-19 05:35:49,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:35:49,489 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:35:49,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:35:49,489 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:35:49,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,590 INFO L137 Inliner]: procedures = 53, calls = 150, calls flagged for inlining = 47, calls inlined = 48, statements flattened = 380 [2021-11-19 05:35:49,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:35:49,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:35:49,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:35:49,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:35:49,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,613 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,648 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:35:49,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:35:49,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:35:49,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:35:49,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (1/1) ... [2021-11-19 05:35:49,668 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:35:49,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:35:49,702 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:35:49,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:35:49,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:35:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:35:49,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:35:49,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:35:49,856 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:35:49,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:35:50,298 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:35:50,308 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:35:50,309 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:35:50,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:35:50 BoogieIcfgContainer [2021-11-19 05:35:50,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:35:50,329 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:35:50,329 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:35:50,333 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:35:50,334 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:35:50,334 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:35:48" (1/3) ... [2021-11-19 05:35:50,347 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@964899d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:35:50, skipping insertion in model container [2021-11-19 05:35:50,347 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:35:50,347 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:35:49" (2/3) ... [2021-11-19 05:35:50,348 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@964899d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:35:50, skipping insertion in model container [2021-11-19 05:35:50,348 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:35:50,348 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:35:50" (3/3) ... [2021-11-19 05:35:50,350 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product18.cil.c [2021-11-19 05:35:50,435 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:35:50,435 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:35:50,435 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:35:50,436 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:35:50,436 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:35:50,436 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:35:50,436 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:35:50,437 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:35:50,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2021-11-19 05:35:50,537 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-19 05:35:50,537 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:35:50,537 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:35:50,546 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:35:50,546 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:35:50,546 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:35:50,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2021-11-19 05:35:50,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2021-11-19 05:35:50,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:35:50,569 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:35:50,571 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:35:50,571 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:35:50,586 INFO L791 eck$LassoCheckResult]: Stem: 97#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 36#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 82#L440true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 63#L433true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 101#L448true main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 16#L376true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 85#L350true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 34#L65-2true [2021-11-19 05:35:50,589 INFO L793 eck$LassoCheckResult]: Loop: 34#L65-2true assume !false; 28#L66true assume test_~splverifierCounter~0#1 < 4; 96#L67true test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 55#L75true assume !(0 != test_~tmp~0#1); 93#L75-2true test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 32#L85true assume !(0 != test_~tmp___0~0#1); 7#L85-2true test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 72#L95true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 58#L287true assume { :end_inline_startSystem } true; 76#L103-2true assume { :begin_inline_timeShift } true; 57#L138true assume !(0 != ~pumpRunning~0); 74#L138-2true assume !(0 != ~systemActive~0); 60#L145-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 37#L528true __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 66#L400true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 64#L400-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 43#L155true assume { :end_inline_timeShift } true; 34#L65-2true [2021-11-19 05:35:50,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:35:50,598 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-11-19 05:35:50,620 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:35:50,621 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453370126] [2021-11-19 05:35:50,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:35:50,623 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:35:50,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:50,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:35:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:50,942 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:35:50,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:35:50,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1147229153, now seen corresponding path program 1 times [2021-11-19 05:35:50,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:35:50,952 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025203706] [2021-11-19 05:35:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:35:50,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:35:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:35:51,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:35:51,090 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:35:51,090 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025203706] [2021-11-19 05:35:51,091 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025203706] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:35:51,091 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:35:51,092 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-19 05:35:51,092 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582574293] [2021-11-19 05:35:51,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:35:51,098 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-19 05:35:51,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:35:51,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-19 05:35:51,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-19 05:35:51,152 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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) [2021-11-19 05:35:51,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:35:51,227 INFO L93 Difference]: Finished difference Result 100 states and 126 transitions. [2021-11-19 05:35:51,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-19 05:35:51,236 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 126 transitions. [2021-11-19 05:35:51,250 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2021-11-19 05:35:51,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2021-11-19 05:35:51,264 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2021-11-19 05:35:51,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2021-11-19 05:35:51,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2021-11-19 05:35:51,271 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:35:51,271 INFO L681 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-11-19 05:35:51,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2021-11-19 05:35:51,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2021-11-19 05:35:51,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:35:51,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-11-19 05:35:51,314 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-11-19 05:35:51,314 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-11-19 05:35:51,314 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:35:51,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2021-11-19 05:35:51,316 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2021-11-19 05:35:51,316 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:35:51,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:35:51,318 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-19 05:35:51,318 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] [2021-11-19 05:35:51,318 INFO L791 eck$LassoCheckResult]: Stem: 298#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 288#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 271#L440 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 214#L433 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 215#L448 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 243#L376 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 244#L350 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 284#L65-2 [2021-11-19 05:35:51,319 INFO L793 eck$LassoCheckResult]: Loop: 284#L65-2 assume !false; 278#L66 assume test_~splverifierCounter~0#1 < 4; 279#L67 test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1; 297#L75 assume !(0 != test_~tmp~0#1); 221#L75-2 test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 281#L85 assume !(0 != test_~tmp___0~0#1); 222#L85-2 test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 223#L95 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 256#L287 assume { :end_inline_startSystem } true; 265#L103-2 assume { :begin_inline_timeShift } true; 266#L138 assume !(0 != ~pumpRunning~0); 258#L138-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 262#L170 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 293#L162-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L170-1 assume { :end_inline_processEnvironment } true; 296#L145-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret20#1, __utac_acc__Specification4_spec__1_#t~ret21#1, __utac_acc__Specification4_spec__1_~tmp~4#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~4#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 290#L528 __utac_acc__Specification4_spec__1_#t~ret20#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~4#1 := __utac_acc__Specification4_spec__1_#t~ret20#1;havoc __utac_acc__Specification4_spec__1_#t~ret20#1; 237#L400 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4#1); 216#L400-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 217#L155 assume { :end_inline_timeShift } true; 284#L65-2 [2021-11-19 05:35:51,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:35:51,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-11-19 05:35:51,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:35:51,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1412697476] [2021-11-19 05:35:51,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:35:51,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:35:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,346 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:35:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:35:51,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:35:51,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1311911032, now seen corresponding path program 1 times [2021-11-19 05:35:51,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:35:51,397 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850159716] [2021-11-19 05:35:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:35:51,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:35:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,406 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:35:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:35:51,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:35:51,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1335058252, now seen corresponding path program 1 times [2021-11-19 05:35:51,419 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:35:51,419 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347544025] [2021-11-19 05:35:51,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:35:51,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:35:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:35:51,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:35:51,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:35:55,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:35:55 BoogieIcfgContainer [2021-11-19 05:35:55,695 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:35:55,696 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:35:55,696 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:35:55,696 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:35:55,697 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:35:50" (3/4) ... [2021-11-19 05:35:55,700 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-19 05:35:55,805 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 05:35:55,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:35:55,806 INFO L158 Benchmark]: Toolchain (without parser) took 7102.46ms. Allocated memory was 98.6MB in the beginning and 155.2MB in the end (delta: 56.6MB). Free memory was 64.2MB in the beginning and 100.2MB in the end (delta: -36.0MB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,807 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:35:55,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 773.00ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 64.1MB in the beginning and 93.7MB in the end (delta: -29.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 102.52ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 91.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,809 INFO L158 Benchmark]: Boogie Preprocessor took 62.95ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,810 INFO L158 Benchmark]: RCFGBuilder took 655.78ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 72.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,811 INFO L158 Benchmark]: BuchiAutomizer took 5366.60ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 72.5MB in the beginning and 103.3MB in the end (delta: -30.8MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,811 INFO L158 Benchmark]: Witness Printer took 109.73ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 100.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:35:55,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 98.6MB. Free memory was 54.2MB in the beginning and 54.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 773.00ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 64.1MB in the beginning and 93.7MB in the end (delta: -29.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 102.52ms. Allocated memory is still 125.8MB. Free memory was 93.7MB in the beginning and 91.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.95ms. Allocated memory is still 125.8MB. Free memory was 91.0MB in the beginning and 89.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 655.78ms. Allocated memory is still 125.8MB. Free memory was 89.2MB in the beginning and 72.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 5366.60ms. Allocated memory was 125.8MB in the beginning and 155.2MB in the end (delta: 29.4MB). Free memory was 72.5MB in the beginning and 103.3MB in the end (delta: -30.8MB). Peak memory consumption was 67.4MB. Max. memory is 16.1GB. * Witness Printer took 109.73ms. Allocated memory is still 155.2MB. Free memory was 103.3MB in the beginning and 100.2MB in the end (delta: 3.1MB). 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 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.8s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 121 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 123 mSDtfsCounter, 3 mSolverCounterSat, 0.0s 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: 65]: 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 {splverifierCounter=0, NULL=0, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59cadc63=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c59f25=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3563a574=0, NULL=1, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26256526=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4527a87a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7063b410=29, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, tmp=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79c33fc0=0, tmp___2=29, tmp=0, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@425384a3=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 65]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L130] int pumpRunning = 0; [L131] int systemActive = 1; [L291] int cleanupTimeShifts = 4; [L453] int waterLevel = 1; [L454] int methaneLevelCritical = 0; [L720] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L367] int retValue_acc ; [L368] int tmp ; [L372] FCALL select_helpers() [L373] FCALL select_features() [L374] CALL, EXPR valid_product() [L444] int retValue_acc ; [L447] retValue_acc = 1 [L448] return (retValue_acc); [L374] RET, EXPR valid_product() [L374] tmp = valid_product() [L376] COND TRUE \read(tmp) [L378] FCALL setup() [L379] CALL runTest() [L358] CALL test() [L56] int splverifierCounter ; [L57] int tmp ; [L58] int tmp___0 ; [L59] int tmp___1 ; [L60] int tmp___2 ; [L63] splverifierCounter = 0 Loop: [L65] COND TRUE 1 [L67] COND TRUE splverifierCounter < 4 [L73] tmp = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp)) [L83] tmp___0 = __VERIFIER_nondet_int() [L85] COND FALSE !(\read(tmp___0)) [L93] tmp___2 = __VERIFIER_nondet_int() [L95] COND TRUE \read(tmp___2) [L97] CALL startSystem() [L286] systemActive = 1 [L97] RET startSystem() [L110] CALL timeShift() [L138] COND FALSE !(\read(pumpRunning)) [L145] COND TRUE \read(systemActive) [L147] CALL processEnvironment() [L167] int tmp ; [L170] COND FALSE !(\read(pumpRunning)) [L185] FCALL processEnvironment__wrappee__base() [L147] RET processEnvironment() [L153] CALL __utac_acc__Specification4_spec__1() [L393] int tmp ; [L394] int tmp___0 ; [L398] CALL, EXPR getWaterLevel() [L524] int retValue_acc ; [L527] retValue_acc = waterLevel [L528] return (retValue_acc); [L398] RET, EXPR getWaterLevel() [L398] tmp = getWaterLevel() [L400] COND FALSE !(tmp == 0) [L153] RET __utac_acc__Specification4_spec__1() [L110] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-19 05:35:55,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e69c04d-d0af-4ba5-bcd9-cc67294a048b/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)