./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:33:31,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:33:31,930 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:33:31,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:33:31,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:33:31,967 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:33:31,975 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:33:31,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:33:31,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:33:31,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:33:31,984 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:33:31,984 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:33:31,985 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:33:31,987 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:33:31,987 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:33:31,988 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:33:31,988 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:33:31,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:33:31,990 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:33:31,990 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:33:31,991 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:33:31,991 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:33:31,992 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:33:31,992 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:33:31,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:33:31,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:33:31,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:33:31,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:33:31,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:33:31,995 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:33:31,996 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:33:31,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:33:31,997 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:33:31,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:33:31,998 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:33:31,999 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:33:31,999 INFO L153 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_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ff5e3440a113d04736761f02383989df8ff41baa6c3f7c82a502839a05f4fda [2023-11-12 02:33:32,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:33:32,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:33:32,374 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:33:32,376 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:33:32,377 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:33:32,378 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-11-12 02:33:35,470 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:33:35,717 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:33:35,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/sv-benchmarks/c/product-lines/minepump_spec4_product15.cil.c [2023-11-12 02:33:35,735 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/data/497bed66e/2258edfa7e72448e9ec1de49e3d2cb6d/FLAG763c87da5 [2023-11-12 02:33:35,756 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/data/497bed66e/2258edfa7e72448e9ec1de49e3d2cb6d [2023-11-12 02:33:35,762 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:33:35,764 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:33:35,765 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:35,766 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:33:35,772 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:33:35,773 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:35" (1/1) ... [2023-11-12 02:33:35,774 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a4766 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:35, skipping insertion in model container [2023-11-12 02:33:35,774 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:33:35" (1/1) ... [2023-11-12 02:33:35,826 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:33:36,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:36,155 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:33:36,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2023-11-12 02:33:36,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] [2023-11-12 02:33:36,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] [2023-11-12 02:33:36,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] [2023-11-12 02:33:36,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] [2023-11-12 02:33:36,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] [2023-11-12 02:33:36,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] [2023-11-12 02:33:36,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] [2023-11-12 02:33:36,244 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:33:36,269 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:33:36,269 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36 WrapperNode [2023-11-12 02:33:36,270 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:33:36,271 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:36,271 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:33:36,272 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:33:36,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,296 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,332 INFO L138 Inliner]: procedures = 52, calls = 97, calls flagged for inlining = 50, calls inlined = 52, statements flattened = 316 [2023-11-12 02:33:36,332 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:33:36,333 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:33:36,333 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:33:36,334 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:33:36,345 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,373 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,381 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,387 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,401 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,403 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,406 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:33:36,407 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:33:36,408 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:33:36,408 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:33:36,409 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (1/1) ... [2023-11-12 02:33:36,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:33:36,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:33:36,470 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:33:36,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:33:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:33:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:33:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:33:36,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:33:36,631 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:33:36,634 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:33:36,963 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:33:36,971 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:33:36,971 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:33:36,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:36 BoogieIcfgContainer [2023-11-12 02:33:36,974 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:33:36,976 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:33:36,976 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:33:36,980 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:33:36,981 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:36,981 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:33:35" (1/3) ... [2023-11-12 02:33:36,982 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@355f4b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:36, skipping insertion in model container [2023-11-12 02:33:36,982 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:36,983 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:33:36" (2/3) ... [2023-11-12 02:33:36,983 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@355f4b3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:33:36, skipping insertion in model container [2023-11-12 02:33:36,983 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:33:36,984 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:36" (3/3) ... [2023-11-12 02:33:36,985 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product15.cil.c [2023-11-12 02:33:37,045 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:33:37,046 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:33:37,046 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:33:37,046 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:33:37,046 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:33:37,047 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:33:37,047 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:33:37,047 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:33:37,052 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-12 02:33:37,079 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-12 02:33:37,079 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:37,079 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:37,087 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:37,087 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:37,087 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:33:37,088 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-12 02:33:37,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 66 [2023-11-12 02:33:37,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:37,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:37,099 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:37,100 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:37,106 INFO L748 eck$LassoCheckResult]: Stem: 28#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 22#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 87#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 73#valid_product_returnLabel#1true main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 82#L871true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 63#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#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; 102#L112-2true [2023-11-12 02:33:37,107 INFO L750 eck$LassoCheckResult]: Loop: 102#L112-2true assume !false; 95#L113true assume test_~splverifierCounter~0#1 < 4; 43#L114true havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 37#L122true assume !(0 != test_~tmp~0#1); 91#L122-2true havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 103#L132true assume !(0 != test_~tmp___0~0#1); 68#L132-2true havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 83#L142true assume 0 != test_~tmp___2~0#1; 30#L148-2true assume { :begin_inline_timeShift } true; 70#L184true assume !(0 != ~pumpRunning~0); 65#L184-2true assume !(0 != ~systemActive~0); 92#L191-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 52#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 67#L893true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 56#L893-1true havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 53#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 102#L112-2true [2023-11-12 02:33:37,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2023-11-12 02:33:37,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:37,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263308763] [2023-11-12 02:33:37,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:37,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:37,304 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:37,377 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:37,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1841867258, now seen corresponding path program 1 times [2023-11-12 02:33:37,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:37,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330995388] [2023-11-12 02:33:37,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:37,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:37,419 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:37,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:37,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:37,450 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash -486448182, now seen corresponding path program 1 times [2023-11-12 02:33:37,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:37,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097418919] [2023-11-12 02:33:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:37,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:33:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:33:37,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:33:37,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097418919] [2023-11-12 02:33:37,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097418919] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:33:37,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:33:37,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-12 02:33:37,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184254001] [2023-11-12 02:33:37,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:33:37,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:33:37,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-12 02:33:37,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-12 02:33:37,902 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3431372549019607) internal successors, (137), 102 states have internal predecessors, (137), 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) [2023-11-12 02:33:38,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:33:38,067 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2023-11-12 02:33:38,068 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2023-11-12 02:33:38,076 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2023-11-12 02:33:38,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2023-11-12 02:33:38,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2023-11-12 02:33:38,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2023-11-12 02:33:38,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2023-11-12 02:33:38,088 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:33:38,088 INFO L218 hiAutomatonCegarLoop]: Abstraction has 221 states and 287 transitions. [2023-11-12 02:33:38,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2023-11-12 02:33:38,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2023-11-12 02:33:38,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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) [2023-11-12 02:33:38,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2023-11-12 02:33:38,127 INFO L240 hiAutomatonCegarLoop]: Abstraction has 139 states and 181 transitions. [2023-11-12 02:33:38,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-12 02:33:38,132 INFO L428 stractBuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2023-11-12 02:33:38,132 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:33:38,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2023-11-12 02:33:38,135 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2023-11-12 02:33:38,135 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:33:38,135 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:33:38,136 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:33:38,136 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] [2023-11-12 02:33:38,136 INFO L748 eck$LassoCheckResult]: Stem: 435#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;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);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4; 436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 424#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 425#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 416#valid_product_returnLabel#1 main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 417#L871 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 374#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_#t~nondet8#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; 375#L112-2 [2023-11-12 02:33:38,137 INFO L750 eck$LassoCheckResult]: Loop: 375#L112-2 assume !false; 446#L113 assume test_~splverifierCounter~0#1 < 4; 447#L114 havoc test_#t~nondet5#1;test_~tmp~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1; 454#L122 assume !(0 != test_~tmp~0#1); 430#L122-2 havoc test_#t~nondet6#1;test_~tmp___0~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1; 443#L132 assume !(0 != test_~tmp___0~0#1); 406#L132-2 havoc test_#t~nondet7#1;test_~tmp___2~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 407#L142 assume 0 != test_~tmp___2~0#1; 432#L148-2 assume { :begin_inline_timeShift } true; 408#L184 assume !(0 != ~pumpRunning~0); 381#L184-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 394#L216 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 442#processEnvironment__wrappee__methaneQuery_returnLabel#2 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 456#L216-1 havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true; 444#L191-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;havoc getWaterLevel_~retValue_acc~8#1;getWaterLevel_~retValue_acc~8#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~8#1; 445#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~8#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1; 398#L893 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1); 389#L893-1 havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 458#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 375#L112-2 [2023-11-12 02:33:38,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:38,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2023-11-12 02:33:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:38,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524447709] [2023-11-12 02:33:38,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:38,161 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:38,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1752583472, now seen corresponding path program 1 times [2023-11-12 02:33:38,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:38,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99808792] [2023-11-12 02:33:38,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:38,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:38,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:33:38,198 INFO L85 PathProgramCache]: Analyzing trace with hash 549559948, now seen corresponding path program 1 times [2023-11-12 02:33:38,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:33:38,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936149258] [2023-11-12 02:33:38,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:33:38,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:33:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:38,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:33:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:39,279 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:33:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:33:39,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:33:39 BoogieIcfgContainer [2023-11-12 02:33:39,359 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:33:39,360 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:33:39,360 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:33:39,361 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:33:39,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:33:36" (3/4) ... [2023-11-12 02:33:39,365 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2023-11-12 02:33:39,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/witness.graphml [2023-11-12 02:33:39,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:33:39,439 INFO L158 Benchmark]: Toolchain (without parser) took 3675.19ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 78.1MB in the beginning and 81.6MB in the end (delta: -3.4MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,440 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 119.5MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:33:39,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.83ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 59.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,441 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.45ms. Allocated memory is still 119.5MB. Free memory was 59.3MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,442 INFO L158 Benchmark]: Boogie Preprocessor took 73.28ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 56.8MB in the beginning and 130.6MB in the end (delta: -73.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,443 INFO L158 Benchmark]: RCFGBuilder took 567.27ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 117.0MB in the end (delta: 13.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,449 INFO L158 Benchmark]: BuchiAutomizer took 2383.46ms. Allocated memory is still 161.5MB. Free memory was 117.0MB in the beginning and 83.7MB in the end (delta: 33.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,450 INFO L158 Benchmark]: Witness Printer took 78.78ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:33:39,452 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 119.5MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.83ms. Allocated memory is still 119.5MB. Free memory was 78.1MB in the beginning and 59.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.45ms. Allocated memory is still 119.5MB. Free memory was 59.3MB in the beginning and 56.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.28ms. Allocated memory was 119.5MB in the beginning and 161.5MB in the end (delta: 41.9MB). Free memory was 56.8MB in the beginning and 130.6MB in the end (delta: -73.8MB). Peak memory consumption was 6.4MB. Max. memory is 16.1GB. * RCFGBuilder took 567.27ms. Allocated memory is still 161.5MB. Free memory was 130.6MB in the beginning and 117.0MB in the end (delta: 13.6MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 2383.46ms. Allocated memory is still 161.5MB. Free memory was 117.0MB in the beginning and 83.7MB in the end (delta: 33.3MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Witness Printer took 78.78ms. Allocated memory is still 161.5MB. Free memory was 83.7MB in the beginning and 81.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [87] - GenericResultAtLocation [Line: 96]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [96] - GenericResultAtLocation [Line: 168]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [168] - GenericResultAtLocation [Line: 341]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [341] - GenericResultAtLocation [Line: 707]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [707] - GenericResultAtLocation [Line: 788]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [788] - GenericResultAtLocation [Line: 884]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [884] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 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, 440 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 440 mSDsluCounter, 759 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 641 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 112]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 112]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L176] int pumpRunning = 0; [L177] int systemActive = 1; [L511] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L709] int waterLevel = 1; [L710] int methaneLevelCritical = 0; [L789] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L862] int retValue_acc ; [L863] int tmp ; [L867] FCALL select_helpers() [L868] FCALL select_features() [L869] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L869] RET, EXPR valid_product() [L869] tmp = valid_product() [L871] COND TRUE \read(tmp) [L873] FCALL setup() [L874] CALL runTest() [L856] CALL test() [L103] int splverifierCounter ; [L104] int tmp ; [L105] int tmp___0 ; [L106] int tmp___1 ; [L107] int tmp___2 ; [L110] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L112] COND TRUE 1 [L114] COND TRUE splverifierCounter < 4 [L120] tmp = __VERIFIER_nondet_int() [L122] COND FALSE !(\read(tmp)) [L130] tmp___0 = __VERIFIER_nondet_int() [L132] COND FALSE !(\read(tmp___0)) [L140] tmp___2 = __VERIFIER_nondet_int() [L142] COND TRUE \read(tmp___2) [L157] CALL timeShift() [L184] COND FALSE !(\read(pumpRunning)) [L191] COND TRUE \read(systemActive) [L193] CALL processEnvironment() [L213] int tmp ; [L216] COND FALSE !(\read(pumpRunning)) [L231] FCALL processEnvironment__wrappee__methaneQuery() [L193] RET processEnvironment() [L199] CALL __utac_acc__Specification4_spec__1() [L886] int tmp ; [L887] int tmp___0 ; [L891] CALL, EXPR getWaterLevel() [L780] int retValue_acc ; [L783] retValue_acc = waterLevel [L784] return (retValue_acc); [L891] RET, EXPR getWaterLevel() [L891] tmp = getWaterLevel() [L893] COND FALSE !(tmp == 0) [L199] RET __utac_acc__Specification4_spec__1() [L157] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2023-11-12 02:33:39,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44300fc6-9550-4789-bf9e-955b1ecb5ab8/bin/uautomizer-verify-uTZkv6EMXl/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)