./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX --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 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 19:16:18,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 19:16:18,261 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-08 19:16:18,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 19:16:18,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 19:16:18,322 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 19:16:18,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 19:16:18,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 19:16:18,324 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 19:16:18,324 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 19:16:18,326 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 19:16:18,326 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 19:16:18,327 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 19:16:18,329 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-08 19:16:18,329 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-08 19:16:18,330 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-08 19:16:18,330 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-08 19:16:18,334 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-08 19:16:18,335 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-08 19:16:18,335 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 19:16:18,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-08 19:16:18,336 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 19:16:18,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 19:16:18,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 19:16:18,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 19:16:18,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-08 19:16:18,338 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-08 19:16:18,338 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-08 19:16:18,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 19:16:18,339 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 19:16:18,339 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 19:16:18,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 19:16:18,341 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-08 19:16:18,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 19:16:18,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 19:16:18,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 19:16:18,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 19:16:18,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 19:16:18,343 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-08 19:16:18,344 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_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 57b9da01117a2ba17baea08a2ca63a083a2352f35e4a8b92086e48b0ce29e696 [2024-11-08 19:16:18,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 19:16:18,740 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 19:16:18,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 19:16:18,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 19:16:18,747 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 19:16:18,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c Unable to find full path for "g++" [2024-11-08 19:16:21,255 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 19:16:21,554 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 19:16:21,555 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/sv-benchmarks/c/product-lines/minepump_spec4_product30.cil.c [2024-11-08 19:16:21,572 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/data/948baa308/5f2b7531eb934b049055a1eab127f4b4/FLAG44371f79d [2024-11-08 19:16:21,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/data/948baa308/5f2b7531eb934b049055a1eab127f4b4 [2024-11-08 19:16:21,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 19:16:21,598 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 19:16:21,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:21,600 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 19:16:21,608 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 19:16:21,608 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:21" (1/1) ... [2024-11-08 19:16:21,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49373dfd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:21, skipping insertion in model container [2024-11-08 19:16:21,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:16:21" (1/1) ... [2024-11-08 19:16:21,667 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 19:16:22,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:22,199 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 19:16:22,212 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-08 19:16:22,214 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [145] [2024-11-08 19:16:22,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [173] [2024-11-08 19:16:22,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] [2024-11-08 19:16:22,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] [2024-11-08 19:16:22,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] [2024-11-08 19:16:22,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [914] [2024-11-08 19:16:22,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [949] [2024-11-08 19:16:22,342 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 19:16:22,377 INFO L204 MainTranslator]: Completed translation [2024-11-08 19:16:22,378 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22 WrapperNode [2024-11-08 19:16:22,378 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 19:16:22,380 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:22,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 19:16:22,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 19:16:22,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,416 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,494 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 81, statements flattened = 508 [2024-11-08 19:16:22,498 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 19:16:22,499 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 19:16:22,499 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 19:16:22,499 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 19:16:22,515 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,516 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,523 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,556 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 19:16:22,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,565 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,572 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,573 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,576 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 19:16:22,580 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 19:16:22,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 19:16:22,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 19:16:22,585 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (1/1) ... [2024-11-08 19:16:22,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-08 19:16:22,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 19:16:22,669 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-08 19:16:22,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-08 19:16:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 19:16:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 19:16:22,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 19:16:22,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 19:16:22,861 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 19:16:22,864 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 19:16:23,435 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-08 19:16:23,435 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 19:16:23,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 19:16:23,473 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-08 19:16:23,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:23 BoogieIcfgContainer [2024-11-08 19:16:23,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 19:16:23,475 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-08 19:16:23,475 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-08 19:16:23,479 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-08 19:16:23,480 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:16:23,480 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 08.11 07:16:21" (1/3) ... [2024-11-08 19:16:23,482 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5666e998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:16:23, skipping insertion in model container [2024-11-08 19:16:23,482 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:16:23,482 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:16:22" (2/3) ... [2024-11-08 19:16:23,482 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5666e998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 08.11 07:16:23, skipping insertion in model container [2024-11-08 19:16:23,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-08 19:16:23,483 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:23" (3/3) ... [2024-11-08 19:16:23,485 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product30.cil.c [2024-11-08 19:16:23,565 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-08 19:16:23,565 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-08 19:16:23,566 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-08 19:16:23,566 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-08 19:16:23,566 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-08 19:16:23,566 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-08 19:16:23,566 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-08 19:16:23,567 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-08 19:16:23,572 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) [2024-11-08 19:16:23,609 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-08 19:16:23,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:16:23,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:16:23,622 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:23,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:23,623 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-08 19:16:23,624 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 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) [2024-11-08 19:16:23,641 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-08 19:16:23,645 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:16:23,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:16:23,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:23,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:23,656 INFO L745 eck$LassoCheckResult]: Stem: 32#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 43#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 28#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 124#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; 102#valid_product_returnLabel#1true main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 149#L901true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 83#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 130#L393-2true [2024-11-08 19:16:23,658 INFO L747 eck$LassoCheckResult]: Loop: 130#L393-2true assume !false; 20#L394true assume test_~splverifierCounter~0#1 < 4; 94#L395true havoc test_#t~nondet24#1;test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 55#L403true assume !(0 != test_~tmp~5#1); 44#L403-2true havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 142#L413true assume !(0 != test_~tmp___0~2#1); 111#L413-2true havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 23#L423true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 56#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 82#L431-2true assume { :begin_inline_timeShift } true; 76#L186true assume !(0 != ~pumpRunning~0); 13#L186-2true assume !(0 != ~systemActive~0); 118#L193-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 69#getWaterLevel_returnLabel#1true __utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 145#L156true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 115#L156-1true havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 70#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 130#L393-2true [2024-11-08 19:16:23,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:23,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-08 19:16:23,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:23,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10707909] [2024-11-08 19:16:23,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:23,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:23,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:23,904 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:23,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:23,908 INFO L85 PathProgramCache]: Analyzing trace with hash 2116560834, now seen corresponding path program 1 times [2024-11-08 19:16:23,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:23,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153581841] [2024-11-08 19:16:23,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:23,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:23,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 19:16:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 19:16:24,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 19:16:24,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153581841] [2024-11-08 19:16:24,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153581841] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 19:16:24,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 19:16:24,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 19:16:24,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228008524] [2024-11-08 19:16:24,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 19:16:24,075 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-08 19:16:24,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 19:16:24,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 19:16:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 19:16:24,129 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3398692810457515) internal successors, (205), 153 states have internal predecessors, (205), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 19:16:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 19:16:24,205 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2024-11-08 19:16:24,208 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 148 states and 189 transitions. [2024-11-08 19:16:24,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-11-08 19:16:24,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 148 states to 138 states and 178 transitions. [2024-11-08 19:16:24,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 138 [2024-11-08 19:16:24,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 138 [2024-11-08 19:16:24,236 INFO L73 IsDeterministic]: Start isDeterministic. Operand 138 states and 178 transitions. [2024-11-08 19:16:24,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-08 19:16:24,237 INFO L218 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-11-08 19:16:24,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states and 178 transitions. [2024-11-08 19:16:24,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2024-11-08 19:16:24,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 138 states have (on average 1.289855072463768) internal successors, (178), 137 states have internal predecessors, (178), 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) [2024-11-08 19:16:24,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2024-11-08 19:16:24,336 INFO L240 hiAutomatonCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-11-08 19:16:24,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 19:16:24,344 INFO L425 stractBuchiCegarLoop]: Abstraction has 138 states and 178 transitions. [2024-11-08 19:16:24,345 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-08 19:16:24,345 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 138 states and 178 transitions. [2024-11-08 19:16:24,350 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 93 [2024-11-08 19:16:24,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-08 19:16:24,350 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-08 19:16:24,351 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-08 19:16:24,351 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] [2024-11-08 19:16:24,352 INFO L745 eck$LassoCheckResult]: Stem: 357#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(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;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 358#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~9#1, main_~tmp~9#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 352#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 353#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; 429#valid_product_returnLabel#1 main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret51#1;havoc main_#t~ret51#1; 430#L901 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 416#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 406#L393-2 [2024-11-08 19:16:24,352 INFO L747 eck$LassoCheckResult]: Loop: 406#L393-2 assume !false; 337#L394 assume test_~splverifierCounter~0#1 < 4; 338#L395 havoc test_#t~nondet24#1;test_~tmp~5#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 391#L403 assume !(0 != test_~tmp~5#1); 381#L403-2 havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 382#L413 assume !(0 != test_~tmp___0~2#1); 320#L413-2 havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 345#L423 assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet27#1;test_~tmp___1~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1; 346#L431 assume 0 != test_~tmp___1~0#1; 396#L431-2 assume { :begin_inline_timeShift } true; 412#L186 assume !(0 != ~pumpRunning~0); 327#L186-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 328#L244 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1; 329#L218-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 311#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 312#L218-3 havoc processEnvironment__wrappee__methaneQuery_#t~ret11#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 333#L244-1 havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 356#L193-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 407#getWaterLevel_returnLabel#1 __utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1; 408#L156 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 432#L156-1 havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true; 405#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 406#L393-2 [2024-11-08 19:16:24,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:24,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-08 19:16:24,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:24,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990309974] [2024-11-08 19:16:24,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:24,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,395 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,429 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:24,430 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:24,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1688504164, now seen corresponding path program 1 times [2024-11-08 19:16:24,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:24,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018505459] [2024-11-08 19:16:24,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:24,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:24,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 19:16:24,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1489620440, now seen corresponding path program 1 times [2024-11-08 19:16:24,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 19:16:24,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146138895] [2024-11-08 19:16:24,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 19:16:24,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 19:16:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,496 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:24,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:24,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 19:16:25,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:25,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 19:16:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 19:16:26,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 08.11 07:16:26 BoogieIcfgContainer [2024-11-08 19:16:26,036 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-08 19:16:26,037 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 19:16:26,037 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 19:16:26,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 19:16:26,040 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:16:23" (3/4) ... [2024-11-08 19:16:26,042 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-08 19:16:26,129 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 19:16:26,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 19:16:26,131 INFO L158 Benchmark]: Toolchain (without parser) took 4532.33ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 108.1MB in the beginning and 110.2MB in the end (delta: -2.2MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,131 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 19:16:26,132 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.77ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 86.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.61ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 83.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,133 INFO L158 Benchmark]: Boogie Preprocessor took 80.94ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 80.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,134 INFO L158 Benchmark]: RCFGBuilder took 893.42ms. Allocated memory is still 148.9MB. Free memory was 80.0MB in the beginning and 95.9MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,134 INFO L158 Benchmark]: BuchiAutomizer took 2561.88ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 95.4MB in the beginning and 112.3MB in the end (delta: -16.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,135 INFO L158 Benchmark]: Witness Printer took 92.65ms. Allocated memory is still 201.3MB. Free memory was 112.3MB in the beginning and 110.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 19:16:26,138 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 113.2MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.77ms. Allocated memory is still 148.9MB. Free memory was 107.8MB in the beginning and 86.4MB in the end (delta: 21.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.61ms. Allocated memory is still 148.9MB. Free memory was 86.4MB in the beginning and 83.4MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.94ms. Allocated memory is still 148.9MB. Free memory was 83.4MB in the beginning and 80.0MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 893.42ms. Allocated memory is still 148.9MB. Free memory was 80.0MB in the beginning and 95.9MB in the end (delta: -16.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 2561.88ms. Allocated memory was 148.9MB in the beginning and 201.3MB in the end (delta: 52.4MB). Free memory was 95.4MB in the beginning and 112.3MB in the end (delta: -16.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 92.65ms. Allocated memory is still 201.3MB. Free memory was 112.3MB in the beginning and 110.2MB 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [145] - GenericResultAtLocation [Line: 173]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [173] - GenericResultAtLocation [Line: 381]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [381] - GenericResultAtLocation [Line: 449]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [449] - GenericResultAtLocation [Line: 815]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [815] - GenericResultAtLocation [Line: 914]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [914] - GenericResultAtLocation [Line: 949]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [949] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 138 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 184 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 186 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 186 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 393]: 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; [L179] int pumpRunning = 0; [L180] int systemActive = 1; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int retValue_acc ; [L893] int tmp ; [L897] FCALL select_helpers() [L898] FCALL select_features() [L899] CALL, EXPR valid_product() [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] RET, EXPR valid_product() [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L903] FCALL setup() [L904] CALL runTest() [L883] CALL test() [L384] int splverifierCounter ; [L385] int tmp ; [L386] int tmp___0 ; [L387] int tmp___1 ; [L388] int tmp___2 ; [L391] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L393] COND TRUE 1 [L395] COND TRUE splverifierCounter < 4 [L401] tmp = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp)) [L411] tmp___0 = __VERIFIER_nondet_int() [L413] COND FALSE !(\read(tmp___0)) [L421] tmp___2 = __VERIFIER_nondet_int() [L423] COND FALSE !(\read(tmp___2)) [L429] tmp___1 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___1) [L438] CALL timeShift() [L186] COND FALSE !(\read(pumpRunning)) [L193] COND TRUE \read(systemActive) [L195] CALL processEnvironment() [L241] int tmp ; [L244] COND FALSE !(\read(pumpRunning)) [L259] CALL processEnvironment__wrappee__methaneQuery() [L215] int tmp ; [L218] COND FALSE !(\read(pumpRunning)) [L233] FCALL processEnvironment__wrappee__base() [L259] RET processEnvironment__wrappee__methaneQuery() [L195] RET processEnvironment() [L201] CALL __utac_acc__Specification4_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L154] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L154] RET, EXPR getWaterLevel() [L154] tmp = getWaterLevel() [L156] COND FALSE !(tmp == 0) [L201] RET __utac_acc__Specification4_spec__1() [L438] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 393]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L179] int pumpRunning = 0; [L180] int systemActive = 1; [L619] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L816] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L892] int retValue_acc ; [L893] int tmp ; [L897] FCALL select_helpers() [L898] FCALL select_features() [L899] CALL, EXPR valid_product() [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L899] RET, EXPR valid_product() [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L903] FCALL setup() [L904] CALL runTest() [L883] CALL test() [L384] int splverifierCounter ; [L385] int tmp ; [L386] int tmp___0 ; [L387] int tmp___1 ; [L388] int tmp___2 ; [L391] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L393] COND TRUE 1 [L395] COND TRUE splverifierCounter < 4 [L401] tmp = __VERIFIER_nondet_int() [L403] COND FALSE !(\read(tmp)) [L411] tmp___0 = __VERIFIER_nondet_int() [L413] COND FALSE !(\read(tmp___0)) [L421] tmp___2 = __VERIFIER_nondet_int() [L423] COND FALSE !(\read(tmp___2)) [L429] tmp___1 = __VERIFIER_nondet_int() [L431] COND TRUE \read(tmp___1) [L438] CALL timeShift() [L186] COND FALSE !(\read(pumpRunning)) [L193] COND TRUE \read(systemActive) [L195] CALL processEnvironment() [L241] int tmp ; [L244] COND FALSE !(\read(pumpRunning)) [L259] CALL processEnvironment__wrappee__methaneQuery() [L215] int tmp ; [L218] COND FALSE !(\read(pumpRunning)) [L233] FCALL processEnvironment__wrappee__base() [L259] RET processEnvironment__wrappee__methaneQuery() [L195] RET processEnvironment() [L201] CALL __utac_acc__Specification4_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L154] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L154] RET, EXPR getWaterLevel() [L154] tmp = getWaterLevel() [L156] COND FALSE !(tmp == 0) [L201] RET __utac_acc__Specification4_spec__1() [L438] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 19:16:26,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_13caec73-0c8b-4e81-8ca3-37aea7eb5734/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)