./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8 --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 01b43f7e7ecd5c44c6b49183e9415dee9518d36285d69624307f5a03549da1bb --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:08:20,257 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:08:20,259 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:08:20,277 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:08:20,277 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:08:20,278 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:08:20,279 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:08:20,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:08:20,282 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:08:20,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:08:20,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:08:20,285 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:08:20,285 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:08:20,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:08:20,287 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:08:20,288 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:08:20,289 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:08:20,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:08:20,291 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:08:20,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:08:20,294 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:08:20,295 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:08:20,296 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:08:20,297 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:08:20,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:08:20,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:08:20,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:08:20,306 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:08:20,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:08:20,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:08:20,308 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:08:20,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:08:20,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:08:20,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:08:20,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:08:20,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:08:20,312 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:08:20,312 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:08:20,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:08:20,313 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:08:20,314 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:08:20,315 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 18:08:20,344 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:08:20,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:08:20,344 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:08:20,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:08:20,345 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:08:20,345 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:08:20,346 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:08:20,346 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 18:08:20,346 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 18:08:20,346 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 18:08:20,346 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 18:08:20,347 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:08:20,347 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 18:08:20,348 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:08:20,349 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 18:08:20,349 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:08:20,349 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 18:08:20,349 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:08:20,349 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:08:20,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:08:20,350 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:08:20,350 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 18:08:20,351 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_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01b43f7e7ecd5c44c6b49183e9415dee9518d36285d69624307f5a03549da1bb [2022-12-13 18:08:20,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:08:20,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:08:20,535 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:08:20,536 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:08:20,536 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:08:20,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2022-12-13 18:08:23,176 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:08:23,364 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:08:23,365 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c [2022-12-13 18:08:23,377 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/data/7ae2f37c6/5b7fa2ad7dd6423a960fb422f2d6ec20/FLAGcb5a7ceb7 [2022-12-13 18:08:23,388 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/data/7ae2f37c6/5b7fa2ad7dd6423a960fb422f2d6ec20 [2022-12-13 18:08:23,390 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:08:23,391 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:08:23,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:08:23,392 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:08:23,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:08:23,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf27fcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23, skipping insertion in model container [2022-12-13 18:08:23,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,402 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:08:23,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:08:23,595 WARN L237 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_f8572b46-2064-421c-a5c0-0d9d8fb008c4/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c[6381,6394] [2022-12-13 18:08:23,652 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:08:23,664 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:08:23,687 WARN L237 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_f8572b46-2064-421c-a5c0-0d9d8fb008c4/sv-benchmarks/c/product-lines/minepump_spec1_product43.cil.c[6381,6394] [2022-12-13 18:08:23,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:08:23,738 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:08:23,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23 WrapperNode [2022-12-13 18:08:23,738 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:08:23,739 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:08:23,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:08:23,739 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:08:23,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,775 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 58, statements flattened = 403 [2022-12-13 18:08:23,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:08:23,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:08:23,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:08:23,776 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:08:23,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,792 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:08:23,796 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:08:23,796 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:08:23,796 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:08:23,797 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (1/1) ... [2022-12-13 18:08:23,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 18:08:23,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:08:23,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 18:08:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 18:08:23,855 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 18:08:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 18:08:23,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:08:23,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:08:23,919 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:08:23,921 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:08:24,124 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:08:24,131 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:08:24,131 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 18:08:24,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:24 BoogieIcfgContainer [2022-12-13 18:08:24,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:08:24,134 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 18:08:24,134 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 18:08:24,137 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 18:08:24,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:08:24,138 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 06:08:23" (1/3) ... [2022-12-13 18:08:24,139 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310b9cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:08:24, skipping insertion in model container [2022-12-13 18:08:24,139 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:08:24,139 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:23" (2/3) ... [2022-12-13 18:08:24,140 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@310b9cbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 06:08:24, skipping insertion in model container [2022-12-13 18:08:24,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 18:08:24,140 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:24" (3/3) ... [2022-12-13 18:08:24,141 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product43.cil.c [2022-12-13 18:08:24,195 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 18:08:24,196 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 18:08:24,196 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 18:08:24,196 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 18:08:24,196 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 18:08:24,196 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 18:08:24,196 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 18:08:24,196 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 18:08:24,201 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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) [2022-12-13 18:08:24,219 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 78 [2022-12-13 18:08:24,219 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:08:24,219 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:08:24,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,224 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 18:08:24,224 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 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) [2022-12-13 18:08:24,228 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 78 [2022-12-13 18:08:24,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:08:24,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:08:24,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,233 INFO L748 eck$LassoCheckResult]: Stem: 33#$Ultimate##0true 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 42#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 30#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 87#valid_product_returnLabel#1true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 43#L531true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 72#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 39#L354-2true [2022-12-13 18:08:24,234 INFO L750 eck$LassoCheckResult]: Loop: 39#L354-2true assume !false; 35#L355true assume test_~splverifierCounter~0#1 < 4; 85#L356true test_~tmp~3#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 118#L364true assume !(0 != test_~tmp~3#1); 6#L364-2true test_~tmp___0~1#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 122#L374true assume !(0 != test_~tmp___0~1#1); 25#L374-2true test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 120#L384true assume 0 != test_~tmp___2~0#1; 108#L390-2true assume { :begin_inline_timeShift } true; 20#L165true assume !(0 != ~pumpRunning~0); 29#L165-2true assume !(0 != ~systemActive~0); 54#L172-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 71#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 100#L428true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 77#L428-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 65#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 39#L354-2true [2022-12-13 18:08:24,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,239 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-12-13 18:08:24,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,246 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998077626] [2022-12-13 18:08:24,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,315 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,339 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:24,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1131866300, now seen corresponding path program 1 times [2022-12-13 18:08:24,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,342 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253714658] [2022-12-13 18:08:24,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,349 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,355 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:24,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,357 INFO L85 PathProgramCache]: Analyzing trace with hash 223552776, now seen corresponding path program 1 times [2022-12-13 18:08:24,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,357 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379432639] [2022-12-13 18:08:24,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:24,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:24,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:24,538 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379432639] [2022-12-13 18:08:24,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379432639] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:24,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:24,539 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 18:08:24,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788991897] [2022-12-13 18:08:24,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:24,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:24,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:08:24,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 18:08:24,658 INFO L87 Difference]: Start difference. First operand has 121 states, 120 states have (on average 1.3666666666666667) internal successors, (164), 120 states have internal predecessors, (164), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 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) [2022-12-13 18:08:24,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:24,751 INFO L93 Difference]: Finished difference Result 293 states and 377 transitions. [2022-12-13 18:08:24,753 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 293 states and 377 transitions. [2022-12-13 18:08:24,759 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 187 [2022-12-13 18:08:24,765 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 293 states to 263 states and 347 transitions. [2022-12-13 18:08:24,766 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263 [2022-12-13 18:08:24,767 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263 [2022-12-13 18:08:24,767 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 347 transitions. [2022-12-13 18:08:24,769 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:08:24,769 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 347 transitions. [2022-12-13 18:08:24,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 347 transitions. [2022-12-13 18:08:24,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 160. [2022-12-13 18:08:24,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.31875) internal successors, (211), 159 states have internal predecessors, (211), 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) [2022-12-13 18:08:24,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 211 transitions. [2022-12-13 18:08:24,803 INFO L240 hiAutomatonCegarLoop]: Abstraction has 160 states and 211 transitions. [2022-12-13 18:08:24,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:08:24,808 INFO L428 stractBuchiCegarLoop]: Abstraction has 160 states and 211 transitions. [2022-12-13 18:08:24,808 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 18:08:24,808 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 211 transitions. [2022-12-13 18:08:24,810 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2022-12-13 18:08:24,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:08:24,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:08:24,811 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,811 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,811 INFO L748 eck$LassoCheckResult]: Stem: 476#$Ultimate##0 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 477#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 472#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 473#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 530#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 491#L531 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 492#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 487#L354-2 [2022-12-13 18:08:24,811 INFO L750 eck$LassoCheckResult]: Loop: 487#L354-2 assume !false; 481#L355 assume test_~splverifierCounter~0#1 < 4; 482#L356 test_~tmp~3#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 529#L364 assume !(0 != test_~tmp~3#1); 439#L364-2 test_~tmp___0~1#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 440#L374 assume !(0 != test_~tmp___0~1#1); 450#L374-2 test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 469#L384 assume 0 != test_~tmp___2~0#1; 532#L390-2 assume { :begin_inline_timeShift } true; 461#L165 assume !(0 != ~pumpRunning~0); 462#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 471#L197 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 522#processEnvironment__wrappee__base_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__base } true; 454#L197-1 assume { :end_inline_processEnvironment } true; 463#L172-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 503#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 517#L428 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 523#L428-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 513#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 487#L354-2 [2022-12-13 18:08:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-12-13 18:08:24,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,812 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947547269] [2022-12-13 18:08:24,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,830 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:24,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1955411726, now seen corresponding path program 1 times [2022-12-13 18:08:24,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327695170] [2022-12-13 18:08:24,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:08:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:08:24,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:08:24,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327695170] [2022-12-13 18:08:24,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327695170] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:08:24,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:08:24,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 18:08:24,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579020242] [2022-12-13 18:08:24,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:08:24,851 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 18:08:24,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:08:24,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 18:08:24,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 18:08:24,852 INFO L87 Difference]: Start difference. First operand 160 states and 211 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:08:24,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:24,887 INFO L93 Difference]: Finished difference Result 210 states and 265 transitions. [2022-12-13 18:08:24,887 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 210 states and 265 transitions. [2022-12-13 18:08:24,888 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 153 [2022-12-13 18:08:24,889 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 210 states to 210 states and 265 transitions. [2022-12-13 18:08:24,889 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 210 [2022-12-13 18:08:24,889 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 210 [2022-12-13 18:08:24,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 210 states and 265 transitions. [2022-12-13 18:08:24,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 18:08:24,890 INFO L218 hiAutomatonCegarLoop]: Abstraction has 210 states and 265 transitions. [2022-12-13 18:08:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states and 265 transitions. [2022-12-13 18:08:24,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2022-12-13 18:08:24,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 210 states, 210 states have (on average 1.2619047619047619) internal successors, (265), 209 states have internal predecessors, (265), 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) [2022-12-13 18:08:24,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 265 transitions. [2022-12-13 18:08:24,896 INFO L240 hiAutomatonCegarLoop]: Abstraction has 210 states and 265 transitions. [2022-12-13 18:08:24,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 18:08:24,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 210 states and 265 transitions. [2022-12-13 18:08:24,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 18:08:24,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 210 states and 265 transitions. [2022-12-13 18:08:24,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 153 [2022-12-13 18:08:24,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 18:08:24,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 18:08:24,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,898 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:08:24,899 INFO L748 eck$LassoCheckResult]: Stem: 853#$Ultimate##0 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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 854#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 849#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 850#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 915#valid_product_returnLabel#1 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 870#L531 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 871#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_#t~nondet24#1, test_~splverifierCounter~0#1, test_~tmp~3#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~3#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 866#L354-2 [2022-12-13 18:08:24,899 INFO L750 eck$LassoCheckResult]: Loop: 866#L354-2 assume !false; 858#L355 assume test_~splverifierCounter~0#1 < 4; 859#L356 test_~tmp~3#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 914#L364 assume !(0 != test_~tmp~3#1); 815#L364-2 test_~tmp___0~1#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1; 816#L374 assume !(0 != test_~tmp___0~1#1); 826#L374-2 test_~tmp___2~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 844#L384 assume 0 != test_~tmp___2~0#1; 917#L390-2 assume { :begin_inline_timeShift } true; 836#L165 assume !(0 != ~pumpRunning~0); 837#L165-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 848#L197 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~5#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~5#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 890#L140 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 839#isHighWaterSensorDry_returnLabel#1 isHighWaterLevel_#t~ret20#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1; 827#L317 assume 0 != isHighWaterLevel_~tmp~2#1;isHighWaterLevel_~tmp___0~0#1 := 0; 828#L317-2 isHighWaterLevel_~retValue_acc~5#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~5#1; 877#isHighWaterLevel_returnLabel#1 processEnvironment_#t~ret9#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~0#1 := processEnvironment_#t~ret9#1;havoc processEnvironment_#t~ret9#1; 898#L201 assume !(0 != processEnvironment_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 835#processEnvironment__wrappee__base_returnLabel#1 assume { :end_inline_processEnvironment__wrappee__base } true; 830#L197-1 assume { :end_inline_processEnvironment } true; 838#L172-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_#t~ret26#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1000#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification1_spec__1_#t~ret25#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret25#1;havoc __utac_acc__Specification1_spec__1_#t~ret25#1; 923#L428 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 907#L428-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 896#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 866#L354-2 [2022-12-13 18:08:24,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-12-13 18:08:24,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476805520] [2022-12-13 18:08:24,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,905 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:24,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1963905610, now seen corresponding path program 1 times [2022-12-13 18:08:24,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,911 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680254168] [2022-12-13 18:08:24,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,920 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:24,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:24,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1080056946, now seen corresponding path program 1 times [2022-12-13 18:08:24,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:08:24,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326156087] [2022-12-13 18:08:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:08:24,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:08:24,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,928 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:24,936 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:08:25,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:25,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:08:25,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:08:25,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 06:08:25 BoogieIcfgContainer [2022-12-13 18:08:25,682 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 18:08:25,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:08:25,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:08:25,683 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:08:25,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:24" (3/4) ... [2022-12-13 18:08:25,686 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-12-13 18:08:25,722 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:08:25,722 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:08:25,722 INFO L158 Benchmark]: Toolchain (without parser) took 2331.69ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 61.2MB in the end (delta: 67.5MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,723 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:08:25,723 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.73ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 110.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,723 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.93ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 107.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,723 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:08:25,724 INFO L158 Benchmark]: RCFGBuilder took 337.04ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 86.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,724 INFO L158 Benchmark]: BuchiAutomizer took 1548.73ms. Allocated memory is still 163.6MB. Free memory was 86.8MB in the beginning and 63.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,724 INFO L158 Benchmark]: Witness Printer took 38.92ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 61.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:08:25,731 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 115.3MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.73ms. Allocated memory is still 163.6MB. Free memory was 128.2MB in the beginning and 110.4MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.93ms. Allocated memory is still 163.6MB. Free memory was 109.9MB in the beginning and 107.2MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 105.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 337.04ms. Allocated memory is still 163.6MB. Free memory was 105.7MB in the beginning and 86.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 1548.73ms. Allocated memory is still 163.6MB. Free memory was 86.8MB in the beginning and 63.2MB in the end (delta: 23.6MB). Peak memory consumption was 25.6MB. Max. memory is 16.1GB. * Witness Printer took 38.92ms. Allocated memory is still 163.6MB. Free memory was 63.2MB in the beginning and 61.2MB in the end (delta: 2.0MB). 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 210 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 103 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 677 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 677 mSDsluCounter, 1095 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 805 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 290 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 354]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L446] int cleanupTimeShifts = 4; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L529] RET, EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L513] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) [L399] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L309] int retValue_acc ; [L310] int tmp ; [L311] int tmp___0 ; [L315] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L315] RET, EXPR isHighWaterSensorDry() [L315] tmp = isHighWaterSensorDry() [L317] COND TRUE \read(tmp) [L318] tmp___0 = 0 [L322] retValue_acc = tmp___0 [L323] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification1_spec__1() [L421] int tmp ; [L422] int tmp___0 ; [L426] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L426] RET, EXPR isMethaneLevelCritical() [L426] tmp = isMethaneLevelCritical() [L428] COND FALSE !(\read(tmp)) [L180] RET __utac_acc__Specification1_spec__1() [L399] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 354]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L157] int pumpRunning = 0; [L158] int systemActive = 1; [L446] int cleanupTimeShifts = 4; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L522] int retValue_acc ; [L523] int tmp ; [L527] FCALL select_helpers() [L528] FCALL select_features() [L529] CALL, EXPR valid_product() [L937] int retValue_acc ; [L940] retValue_acc = 1 [L941] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L529] RET, EXPR valid_product() [L529] tmp = valid_product() [L531] COND TRUE \read(tmp) [L533] FCALL setup() [L534] CALL runTest() [L513] CALL test() [L345] int splverifierCounter ; [L346] int tmp ; [L347] int tmp___0 ; [L348] int tmp___1 ; [L349] int tmp___2 ; [L352] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L354] COND TRUE 1 [L356] COND TRUE splverifierCounter < 4 [L362] tmp = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp)) [L372] tmp___0 = __VERIFIER_nondet_int() [L374] COND FALSE !(\read(tmp___0)) [L382] tmp___2 = __VERIFIER_nondet_int() [L384] COND TRUE \read(tmp___2) [L399] CALL timeShift() [L165] COND FALSE !(\read(pumpRunning)) [L172] COND TRUE \read(systemActive) [L174] CALL processEnvironment() [L194] int tmp ; [L197] COND TRUE ! pumpRunning [L199] CALL, EXPR isHighWaterLevel() [L309] int retValue_acc ; [L310] int tmp ; [L311] int tmp___0 ; [L315] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L315] RET, EXPR isHighWaterSensorDry() [L315] tmp = isHighWaterSensorDry() [L317] COND TRUE \read(tmp) [L318] tmp___0 = 0 [L322] retValue_acc = tmp___0 [L323] return (retValue_acc); [L199] RET, EXPR isHighWaterLevel() [L199] tmp = isHighWaterLevel() [L201] COND FALSE !(\read(tmp)) [L207] FCALL processEnvironment__wrappee__base() [L174] RET processEnvironment() [L180] CALL __utac_acc__Specification1_spec__1() [L421] int tmp ; [L422] int tmp___0 ; [L426] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L426] RET, EXPR isMethaneLevelCritical() [L426] tmp = isMethaneLevelCritical() [L428] COND FALSE !(\read(tmp)) [L180] RET __utac_acc__Specification1_spec__1() [L399] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-12-13 18:08:25,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8572b46-2064-421c-a5c0-0d9d8fb008c4/bin/uautomizer-uyxdKDjOR8/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)