./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC --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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:52:42,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:52:42,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:52:42,347 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:52:42,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:52:42,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:52:42,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:52:42,391 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:52:42,391 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:52:42,391 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:52:42,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:52:42,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:52:42,393 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:52:42,394 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:52:42,394 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:52:42,394 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:52:42,394 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:52:42,394 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:52:42,394 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:52:42,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:52:42,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:52:42,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:52:42,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:52:42,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:52:42,396 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:52:42,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:52:42,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:52:42,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:52:42,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:52:42,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:52:42,397 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:52:42,398 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:52:42,398 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC 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 -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2024-11-24 00:52:42,661 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:52:42,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:52:42,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:52:42,674 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:52:42,674 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:52:42,676 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2024-11-24 00:52:45,659 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/data/5a3f3d2ab/79e45d784d914e459de00dafe7a72167/FLAG2971ee46a [2024-11-24 00:52:46,032 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:52:46,032 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2024-11-24 00:52:46,045 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/data/5a3f3d2ab/79e45d784d914e459de00dafe7a72167/FLAG2971ee46a [2024-11-24 00:52:46,060 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/data/5a3f3d2ab/79e45d784d914e459de00dafe7a72167 [2024-11-24 00:52:46,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:52:46,065 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:52:46,066 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:52:46,066 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:52:46,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:52:46,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4802d3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46, skipping insertion in model container [2024-11-24 00:52:46,076 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:52:46,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:52:46,494 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:52:46,504 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2024-11-24 00:52:46,505 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2024-11-24 00:52:46,506 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2024-11-24 00:52:46,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:52:46,605 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:52:46,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46 WrapperNode [2024-11-24 00:52:46,606 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:52:46,608 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:52:46,608 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:52:46,608 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:52:46,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,657 INFO L138 Inliner]: procedures = 56, calls = 103, calls flagged for inlining = 56, calls inlined = 83, statements flattened = 515 [2024-11-24 00:52:46,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:52:46,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:52:46,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:52:46,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:52:46,668 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,668 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,687 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]. [2024-11-24 00:52:46,687 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,694 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,696 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,701 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,703 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,704 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,707 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:52:46,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:52:46,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:52:46,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:52:46,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (1/1) ... [2024-11-24 00:52:46,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:52:46,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:52:46,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:52:46,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:52:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:52:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:52:46,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:52:46,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:52:46,872 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:52:46,874 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:52:47,366 INFO L? ?]: Removed 115 outVars from TransFormulas that were not future-live. [2024-11-24 00:52:47,367 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:52:47,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:52:47,380 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:52:47,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:47 BoogieIcfgContainer [2024-11-24 00:52:47,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:52:47,382 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:52:47,382 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:52:47,388 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:52:47,389 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:52:47,389 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:52:46" (1/3) ... [2024-11-24 00:52:47,390 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ff3f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:52:47, skipping insertion in model container [2024-11-24 00:52:47,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:52:47,390 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:52:46" (2/3) ... [2024-11-24 00:52:47,390 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@29ff3f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:52:47, skipping insertion in model container [2024-11-24 00:52:47,390 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:52:47,390 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:47" (3/3) ... [2024-11-24 00:52:47,392 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2024-11-24 00:52:47,443 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:52:47,444 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:52:47,444 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:52:47,444 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:52:47,444 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:52:47,444 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:52:47,444 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:52:47,444 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:52:47,449 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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) [2024-11-24 00:52:47,471 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-24 00:52:47,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:52:47,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:52:47,477 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:47,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:47,477 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:52:47,478 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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) [2024-11-24 00:52:47,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2024-11-24 00:52:47,494 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:52:47,494 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:52:47,495 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:47,496 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:47,501 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:52:47,502 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:52:47,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:47,507 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 00:52:47,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:52:47,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683025288] [2024-11-24 00:52:47,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:47,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:47,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:47,655 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:52:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:47,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:52:47,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:47,707 INFO L85 PathProgramCache]: Analyzing trace with hash 1825227279, now seen corresponding path program 1 times [2024-11-24 00:52:47,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:52:47,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394719135] [2024-11-24 00:52:47,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:47,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:47,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:52:47,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1394719135] [2024-11-24 00:52:47,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1394719135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:52:47,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357438356] [2024-11-24 00:52:47,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:47,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:52:47,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:52:47,825 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:52:47,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:52:47,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:52:47,892 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:52:47,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:52:47,931 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:52:47,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357438356] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:52:47,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:52:47,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 00:52:47,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909622234] [2024-11-24 00:52:47,958 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:52:47,963 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 00:52:47,963 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:52:47,995 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:52:47,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:52:48,000 INFO L87 Difference]: Start difference. First operand has 156 states, 155 states have (on average 1.3419354838709678) internal successors, (208), 155 states have internal predecessors, (208), 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 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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) [2024-11-24 00:52:48,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:52:48,086 INFO L93 Difference]: Finished difference Result 291 states and 377 transitions. [2024-11-24 00:52:48,088 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 377 transitions. [2024-11-24 00:52:48,094 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 188 [2024-11-24 00:52:48,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 271 states and 356 transitions. [2024-11-24 00:52:48,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 271 [2024-11-24 00:52:48,103 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 271 [2024-11-24 00:52:48,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 271 states and 356 transitions. [2024-11-24 00:52:48,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:52:48,106 INFO L218 hiAutomatonCegarLoop]: Abstraction has 271 states and 356 transitions. [2024-11-24 00:52:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states and 356 transitions. [2024-11-24 00:52:48,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 268. [2024-11-24 00:52:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 268 states, 268 states have (on average 1.3134328358208955) internal successors, (352), 267 states have internal predecessors, (352), 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) [2024-11-24 00:52:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 352 transitions. [2024-11-24 00:52:48,163 INFO L240 hiAutomatonCegarLoop]: Abstraction has 268 states and 352 transitions. [2024-11-24 00:52:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:52:48,172 INFO L425 stractBuchiCegarLoop]: Abstraction has 268 states and 352 transitions. [2024-11-24 00:52:48,172 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:52:48,173 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 268 states and 352 transitions. [2024-11-24 00:52:48,178 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 185 [2024-11-24 00:52:48,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:52:48,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:52:48,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:52:48,182 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] [2024-11-24 00:52:48,182 INFO L747 eck$LassoCheckResult]: Stem: "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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret52#1, main_~retValue_acc~11#1, main_~tmp~9#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret52#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret52#1;havoc main_#t~ret52#1;" "assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:52:48,186 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet38#1;test_~tmp___1~0#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret39#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret40#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~3#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;isMethaneLevelCritical_~retValue_acc~3#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~3#1;" "__utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~3#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~3#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~3#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:52:48,187 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:48,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 00:52:48,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:52:48,187 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459357687] [2024-11-24 00:52:48,187 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:48,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:48,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,210 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:52:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,231 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:52:48,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:48,234 INFO L85 PathProgramCache]: Analyzing trace with hash 298594260, now seen corresponding path program 1 times [2024-11-24 00:52:48,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:52:48,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1311342267] [2024-11-24 00:52:48,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:48,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:48,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,249 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:52:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,261 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:52:48,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:52:48,265 INFO L85 PathProgramCache]: Analyzing trace with hash 750263440, now seen corresponding path program 1 times [2024-11-24 00:52:48,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:52:48,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734278179] [2024-11-24 00:52:48,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:52:48,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:52:48,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,297 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:52:48,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:48,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:52:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:49,536 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:52:49,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:52:49,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:52:49 BoogieIcfgContainer [2024-11-24 00:52:49,588 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:52:49,588 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:52:49,588 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:52:49,589 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:52:49,589 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:52:47" (3/4) ... [2024-11-24 00:52:49,591 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:52:49,651 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:52:49,651 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:52:49,652 INFO L158 Benchmark]: Toolchain (without parser) took 3587.47ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.4MB in the beginning and 232.1MB in the end (delta: -138.7MB). Peak memory consumption was 91.9MB. Max. memory is 16.1GB. [2024-11-24 00:52:49,652 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:49,653 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.89ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 75.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:52:49,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.55ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 72.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:49,653 INFO L158 Benchmark]: Boogie Preprocessor took 48.47ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:52:49,654 INFO L158 Benchmark]: RCFGBuilder took 673.19ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:52:49,654 INFO L158 Benchmark]: BuchiAutomizer took 2206.21ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.2MB in the beginning and 234.9MB in the end (delta: -189.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2024-11-24 00:52:49,654 INFO L158 Benchmark]: Witness Printer took 62.80ms. Allocated memory is still 352.3MB. Free memory was 234.9MB in the beginning and 232.1MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:52:49,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 540.89ms. Allocated memory is still 117.4MB. Free memory was 93.4MB in the beginning and 75.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.55ms. Allocated memory is still 117.4MB. Free memory was 75.1MB in the beginning and 72.2MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.47ms. Allocated memory is still 117.4MB. Free memory was 72.2MB in the beginning and 69.7MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 673.19ms. Allocated memory is still 117.4MB. Free memory was 69.7MB in the beginning and 45.6MB in the end (delta: 24.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 2206.21ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 45.2MB in the beginning and 234.9MB in the end (delta: -189.7MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 62.80ms. Allocated memory is still 352.3MB. Free memory was 234.9MB in the beginning and 232.1MB in the end (delta: 2.8MB). There was no memory consumed. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * 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 268 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 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, 185 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 185 mSDsluCounter, 379 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 201 mSDtfsCounter, 10 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: 594]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 594]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L423] int waterLevel = 1; [L424] int methaneLevelCritical = 0; [L654] int pumpRunning = 0; [L655] int systemActive = 1; [L881] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L954] int retValue_acc ; [L955] int tmp ; [L959] FCALL select_helpers() [L960] FCALL select_features() [L961] CALL, EXPR valid_product() [L541] int retValue_acc ; [L544] retValue_acc = 1 [L545] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L961] RET, EXPR valid_product() [L961] tmp = valid_product() [L963] COND TRUE \read(tmp) [L965] FCALL setup() [L966] CALL runTest() [L948] CALL test() [L583] int splverifierCounter ; [L584] int tmp ; [L585] int tmp___0 ; [L586] int tmp___1 ; [L587] int tmp___2 ; [L590] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L594] COND TRUE splverifierCounter < 4 [L600] tmp = __VERIFIER_nondet_int() [L602] COND FALSE !(\read(tmp)) [L610] tmp___0 = __VERIFIER_nondet_int() [L612] COND FALSE !(\read(tmp___0)) [L620] tmp___2 = __VERIFIER_nondet_int() [L622] COND FALSE !(\read(tmp___2)) [L628] tmp___1 = __VERIFIER_nondet_int() [L630] COND FALSE !(\read(tmp___1)) [L639] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L716] int tmp ; [L719] COND FALSE !(\read(pumpRunning)) [L734] CALL processEnvironment__wrappee__methaneQuery() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__base() [L734] RET processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification1_spec__1() [L553] int tmp ; [L554] int tmp___0 ; [L558] CALL, EXPR isMethaneLevelCritical() [L462] int retValue_acc ; [L465] retValue_acc = methaneLevelCritical [L466] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L676] RET __utac_acc__Specification1_spec__1() [L639] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:52:49,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:52:49,884 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ec4f146-3c9d-42eb-8b63-2ef686436f8d/bin/uautomizer-verify-LYvppIcaGC/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)