./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB --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 d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:06:27,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:06:27,342 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:06:27,354 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:06:27,354 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:06:27,407 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:06:27,408 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:06:27,408 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:06:27,409 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:06:27,409 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:06:27,411 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:06:27,411 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:06:27,412 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:06:27,412 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:06:27,412 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:06:27,413 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:06:27,413 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:06:27,413 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:06:27,413 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:06:27,413 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:06:27,413 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:06:27,414 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:06:27,415 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:06:27,415 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:06:27,415 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:06:27,416 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:06:27,416 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_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB 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 -> d0f26fc8ab0bdaf05de905c05e583bc491c727ef99c3d3df87bba160b541b55a [2024-11-28 03:06:27,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:06:27,764 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:06:27,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:06:27,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:06:27,769 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:06:27,771 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2024-11-28 03:06:31,166 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/data/2d0e43824/fd25f71e18aa4b2bb0ef8757e15b7b46/FLAGa77093e77 [2024-11-28 03:06:31,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:06:31,593 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/sv-benchmarks/c/product-lines/minepump_spec1_product57.cil.c [2024-11-28 03:06:31,617 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/data/2d0e43824/fd25f71e18aa4b2bb0ef8757e15b7b46/FLAGa77093e77 [2024-11-28 03:06:31,771 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/data/2d0e43824/fd25f71e18aa4b2bb0ef8757e15b7b46 [2024-11-28 03:06:31,775 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:06:31,778 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:06:31,779 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:06:31,779 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:06:31,785 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:06:31,786 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:31" (1/1) ... [2024-11-28 03:06:31,789 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b6cbec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31, skipping insertion in model container [2024-11-28 03:06:31,789 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:31" (1/1) ... [2024-11-28 03:06:31,839 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:06:32,250 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:06:32,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:06:32,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [49] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [116] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [551] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [773] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [869] [2024-11-28 03:06:32,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [973] [2024-11-28 03:06:32,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:06:32,413 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:06:32,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32 WrapperNode [2024-11-28 03:06:32,414 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:06:32,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:06:32,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:06:32,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:06:32,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,509 INFO L138 Inliner]: procedures = 56, calls = 101, calls flagged for inlining = 54, calls inlined = 98, statements flattened = 673 [2024-11-28 03:06:32,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:06:32,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:06:32,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:06:32,510 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:06:32,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,525 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,554 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]. [2024-11-28 03:06:32,555 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,555 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,576 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,582 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,594 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,603 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,613 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:06:32,614 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:06:32,614 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:06:32,614 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:06:32,620 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (1/1) ... [2024-11-28 03:06:32,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:06:32,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:06:32,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:06:32,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:06:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:06:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:06:32,711 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:06:32,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:06:32,826 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:06:32,828 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:06:33,687 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-28 03:06:33,687 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:06:33,719 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:06:33,722 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:06:33,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:33 BoogieIcfgContainer [2024-11-28 03:06:33,723 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:06:33,724 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:06:33,724 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:06:33,751 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:06:33,752 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:06:33,752 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:06:31" (1/3) ... [2024-11-28 03:06:33,755 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ff0b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:33, skipping insertion in model container [2024-11-28 03:06:33,755 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:06:33,756 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:32" (2/3) ... [2024-11-28 03:06:33,758 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@64ff0b3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:06:33, skipping insertion in model container [2024-11-28 03:06:33,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:06:33,758 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:33" (3/3) ... [2024-11-28 03:06:33,763 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product57.cil.c [2024-11-28 03:06:33,847 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:06:33,847 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:06:33,848 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:06:33,848 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:06:33,849 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:06:33,849 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:06:33,849 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:06:33,849 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:06:33,856 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 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) [2024-11-28 03:06:33,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-28 03:06:33,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:06:33,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:06:33,896 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:33,896 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:33,896 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:06:33,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 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) [2024-11-28 03:06:33,906 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120 [2024-11-28 03:06:33,906 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:06:33,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:06:33,907 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:33,908 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:33,915 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#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;" [2024-11-28 03:06:33,915 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume 0 != test_~tmp___2~0#1;" "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~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:06:33,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:33,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 03:06:33,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:33,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517915934] [2024-11-28 03:06:33,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:34,047 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:34,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:34,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:34,110 INFO L85 PathProgramCache]: Analyzing trace with hash -1017502184, now seen corresponding path program 1 times [2024-11-28 03:06:34,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:34,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581846662] [2024-11-28 03:06:34,110 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:34,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:34,129 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:34,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:34,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:34,151 INFO L85 PathProgramCache]: Analyzing trace with hash -973778988, now seen corresponding path program 1 times [2024-11-28 03:06:34,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:34,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130516212] [2024-11-28 03:06:34,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:34,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:34,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:06:34,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130516212] [2024-11-28 03:06:34,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130516212] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:06:34,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [639228539] [2024-11-28 03:06:34,444 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:34,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:06:34,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:06:34,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:06:34,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:06:34,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:34,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:06:34,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:06:34,633 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:06:34,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [639228539] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:06:34,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:06:34,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 03:06:34,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690837351] [2024-11-28 03:06:34,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:06:34,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:06:34,866 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:06:34,867 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:06:34,870 INFO L87 Difference]: Start difference. First operand has 187 states, 186 states have (on average 1.3602150537634408) internal successors, (253), 186 states have internal predecessors, (253), 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 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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) [2024-11-28 03:06:34,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:06:34,991 INFO L93 Difference]: Finished difference Result 181 states and 236 transitions. [2024-11-28 03:06:34,993 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 181 states and 236 transitions. [2024-11-28 03:06:35,001 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-28 03:06:35,012 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 181 states to 171 states and 226 transitions. [2024-11-28 03:06:35,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2024-11-28 03:06:35,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2024-11-28 03:06:35,015 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 226 transitions. [2024-11-28 03:06:35,016 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:06:35,017 INFO L218 hiAutomatonCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-28 03:06:35,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 226 transitions. [2024-11-28 03:06:35,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2024-11-28 03:06:35,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.3216374269005848) internal successors, (226), 170 states have internal predecessors, (226), 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) [2024-11-28 03:06:35,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 226 transitions. [2024-11-28 03:06:35,053 INFO L240 hiAutomatonCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-28 03:06:35,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:06:35,063 INFO L425 stractBuchiCegarLoop]: Abstraction has 171 states and 226 transitions. [2024-11-28 03:06:35,063 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:06:35,064 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 226 transitions. [2024-11-28 03:06:35,066 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 114 [2024-11-28 03:06:35,066 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:06:35,066 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:06:35,067 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:35,067 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] [2024-11-28 03:06:35,067 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#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;" [2024-11-28 03:06:35,067 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret35#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~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:06:35,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:35,068 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 03:06:35,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:35,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015518422] [2024-11-28 03:06:35,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:35,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,081 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,093 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:35,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:35,094 INFO L85 PathProgramCache]: Analyzing trace with hash -676878243, now seen corresponding path program 1 times [2024-11-28 03:06:35,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:35,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168510095] [2024-11-28 03:06:35,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:35,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:06:35,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168510095] [2024-11-28 03:06:35,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168510095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:06:35,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2077904369] [2024-11-28 03:06:35,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:06:35,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:06:35,126 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:06:35,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:06:35,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:06:35,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-28 03:06:35,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:06:35,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:06:35,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2077904369] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:06:35,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:06:35,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-28 03:06:35,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329254991] [2024-11-28 03:06:35,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:06:35,257 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-28 03:06:35,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:06:35,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 03:06:35,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 03:06:35,258 INFO L87 Difference]: Start difference. First operand 171 states and 226 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-28 03:06:35,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:06:35,446 INFO L93 Difference]: Finished difference Result 230 states and 292 transitions. [2024-11-28 03:06:35,446 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 230 states and 292 transitions. [2024-11-28 03:06:35,449 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2024-11-28 03:06:35,455 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 230 states to 230 states and 292 transitions. [2024-11-28 03:06:35,455 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 230 [2024-11-28 03:06:35,455 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 230 [2024-11-28 03:06:35,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 230 states and 292 transitions. [2024-11-28 03:06:35,461 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:06:35,461 INFO L218 hiAutomatonCegarLoop]: Abstraction has 230 states and 292 transitions. [2024-11-28 03:06:35,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states and 292 transitions. [2024-11-28 03:06:35,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2024-11-28 03:06:35,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 230 states have (on average 1.2695652173913043) internal successors, (292), 229 states have internal predecessors, (292), 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) [2024-11-28 03:06:35,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 292 transitions. [2024-11-28 03:06:35,478 INFO L240 hiAutomatonCegarLoop]: Abstraction has 230 states and 292 transitions. [2024-11-28 03:06:35,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 03:06:35,480 INFO L425 stractBuchiCegarLoop]: Abstraction has 230 states and 292 transitions. [2024-11-28 03:06:35,480 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:06:35,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 230 states and 292 transitions. [2024-11-28 03:06:35,483 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 158 [2024-11-28 03:06:35,484 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:06:35,484 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:06:35,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:35,485 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:06:35,485 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~9#1, main_~tmp~10#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~10#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~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret48#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret48#1;havoc main_#t~ret48#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet30#1, test_#t~nondet31#1, test_#t~nondet32#1, test_#t~nondet33#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;" [2024-11-28 03:06:35,488 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet30#1;test_~tmp~4#1 := test_#t~nondet30#1;havoc test_#t~nondet30#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet31#1;test_~tmp___0~1#1 := test_#t~nondet31#1;havoc test_#t~nondet31#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet32#1;test_~tmp___2~0#1 := test_#t~nondet32#1;havoc test_#t~nondet32#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret35#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~12#1;" "isHighWaterLevel_#t~ret46#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~12#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret46#1;havoc isHighWaterLevel_#t~ret46#1;" "assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret34#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret46#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~5#1 := processEnvironment__wrappee__highWaterSensor_#t~ret34#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret34#1, processEnvironment__wrappee__highWaterSensor_~tmp~5#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret35#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~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;isMethaneLevelCritical_~retValue_acc~10#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~10#1;" "__utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~10#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:06:35,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-28 03:06:35,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:35,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713810332] [2024-11-28 03:06:35,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:35,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,514 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:35,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:35,541 INFO L85 PathProgramCache]: Analyzing trace with hash -57463915, now seen corresponding path program 1 times [2024-11-28 03:06:35,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:35,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168211266] [2024-11-28 03:06:35,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,567 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:35,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:06:35,588 INFO L85 PathProgramCache]: Analyzing trace with hash -183905191, now seen corresponding path program 1 times [2024-11-28 03:06:35,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:06:35,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255417686] [2024-11-28 03:06:35,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:06:35,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:06:35,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,625 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:35,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:35,659 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:06:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:37,059 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:06:37,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:06:37,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:06:37 BoogieIcfgContainer [2024-11-28 03:06:37,153 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:06:37,154 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:06:37,154 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:06:37,154 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:06:37,155 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:33" (3/4) ... [2024-11-28 03:06:37,157 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:06:37,214 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:06:37,215 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:06:37,218 INFO L158 Benchmark]: Toolchain (without parser) took 5438.22ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 91.4MB in the beginning and 75.8MB in the end (delta: 15.5MB). Peak memory consumption was 75.8MB. Max. memory is 16.1GB. [2024-11-28 03:06:37,219 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:06:37,219 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.47ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:06:37,220 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.37ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 69.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:06:37,220 INFO L158 Benchmark]: Boogie Preprocessor took 103.78ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:06:37,220 INFO L158 Benchmark]: RCFGBuilder took 1108.75ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 38.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:06:37,221 INFO L158 Benchmark]: BuchiAutomizer took 3429.43ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 38.0MB in the beginning and 78.7MB in the end (delta: -40.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-28 03:06:37,221 INFO L158 Benchmark]: Witness Printer took 60.88ms. Allocated memory is still 176.2MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:06:37,226 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.47ms. Allocated memory is still 117.4MB. Free memory was 91.4MB in the beginning and 72.4MB in the end (delta: 18.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.37ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 69.3MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.78ms. Allocated memory is still 117.4MB. Free memory was 69.3MB in the beginning and 66.2MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1108.75ms. Allocated memory is still 117.4MB. Free memory was 66.0MB in the beginning and 38.0MB in the end (delta: 28.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3429.43ms. Allocated memory was 117.4MB in the beginning and 176.2MB in the end (delta: 58.7MB). Free memory was 38.0MB in the beginning and 78.7MB in the end (delta: -40.8MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. * Witness Printer took 60.88ms. Allocated memory is still 176.2MB. Free memory was 78.7MB in the beginning and 75.8MB in the end (delta: 2.9MB). 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,"Specification1_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [116] - GenericResultAtLocation [Line: 482]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [482] - GenericResultAtLocation [Line: 551]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [551] - GenericResultAtLocation [Line: 773]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [773] - GenericResultAtLocation [Line: 869]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [869] - GenericResultAtLocation [Line: 973]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [973] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 230 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 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, 616 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 616 mSDsluCounter, 998 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 556 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 442 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 499]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L286] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L774] int cleanupTimeShifts = 4; [L871] int waterLevel = 1; [L872] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L841] CALL test() [L488] int splverifierCounter ; [L489] int tmp ; [L490] int tmp___0 ; [L491] int tmp___1 ; [L492] int tmp___2 ; [L495] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE splverifierCounter < 4 [L505] tmp = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp)) [L515] tmp___0 = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp___0)) [L525] tmp___2 = __VERIFIER_nondet_int() [L527] COND TRUE \read(tmp___2) [L540] CALL timeShift() [L566] COND FALSE !(\read(pumpRunning)) [L573] COND TRUE \read(systemActive) [L575] CALL processEnvironment() [L621] int tmp ; [L624] COND FALSE !(\read(pumpRunning)) [L639] CALL processEnvironment__wrappee__highWaterSensor() [L595] int tmp ; [L598] COND TRUE ! pumpRunning [L600] CALL, EXPR isHighWaterLevel() [L736] int retValue_acc ; [L737] int tmp ; [L738] int tmp___0 ; [L742] CALL, EXPR isHighWaterSensorDry() [L951] int retValue_acc ; [L954] COND TRUE waterLevel < 2 [L955] retValue_acc = 1 [L956] return (retValue_acc); [L742] RET, EXPR isHighWaterSensorDry() [L742] tmp = isHighWaterSensorDry() [L744] COND TRUE \read(tmp) [L745] tmp___0 = 0 [L749] retValue_acc = tmp___0 [L750] return (retValue_acc); [L600] RET, EXPR isHighWaterLevel() [L600] tmp = isHighWaterLevel() [L602] COND FALSE !(\read(tmp)) [L608] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment__wrappee__highWaterSensor() [L575] RET processEnvironment() [L581] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L910] int retValue_acc ; [L913] retValue_acc = methaneLevelCritical [L914] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L581] RET __utac_acc__Specification1_spec__1() [L540] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 499]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L286] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L774] int cleanupTimeShifts = 4; [L871] int waterLevel = 1; [L872] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L847] int retValue_acc ; [L848] int tmp ; [L852] FCALL select_helpers() [L853] FCALL select_features() [L854] CALL, EXPR valid_product() [L108] int retValue_acc ; [L111] retValue_acc = 1 [L112] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] RET, EXPR valid_product() [L854] tmp = valid_product() [L856] COND TRUE \read(tmp) [L858] FCALL setup() [L859] CALL runTest() [L841] CALL test() [L488] int splverifierCounter ; [L489] int tmp ; [L490] int tmp___0 ; [L491] int tmp___1 ; [L492] int tmp___2 ; [L495] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L499] COND TRUE splverifierCounter < 4 [L505] tmp = __VERIFIER_nondet_int() [L507] COND FALSE !(\read(tmp)) [L515] tmp___0 = __VERIFIER_nondet_int() [L517] COND FALSE !(\read(tmp___0)) [L525] tmp___2 = __VERIFIER_nondet_int() [L527] COND TRUE \read(tmp___2) [L540] CALL timeShift() [L566] COND FALSE !(\read(pumpRunning)) [L573] COND TRUE \read(systemActive) [L575] CALL processEnvironment() [L621] int tmp ; [L624] COND FALSE !(\read(pumpRunning)) [L639] CALL processEnvironment__wrappee__highWaterSensor() [L595] int tmp ; [L598] COND TRUE ! pumpRunning [L600] CALL, EXPR isHighWaterLevel() [L736] int retValue_acc ; [L737] int tmp ; [L738] int tmp___0 ; [L742] CALL, EXPR isHighWaterSensorDry() [L951] int retValue_acc ; [L954] COND TRUE waterLevel < 2 [L955] retValue_acc = 1 [L956] return (retValue_acc); [L742] RET, EXPR isHighWaterSensorDry() [L742] tmp = isHighWaterSensorDry() [L744] COND TRUE \read(tmp) [L745] tmp___0 = 0 [L749] retValue_acc = tmp___0 [L750] return (retValue_acc); [L600] RET, EXPR isHighWaterLevel() [L600] tmp = isHighWaterLevel() [L602] COND FALSE !(\read(tmp)) [L608] FCALL processEnvironment__wrappee__base() [L639] RET processEnvironment__wrappee__highWaterSensor() [L575] RET processEnvironment() [L581] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L910] int retValue_acc ; [L913] retValue_acc = methaneLevelCritical [L914] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L581] RET __utac_acc__Specification1_spec__1() [L540] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:06:37,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 03:06:37,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:06:37,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ddf504fb-54a9-4d98-b847-81f04c99c885/bin/uautomizer-verify-aQ6SnzHsRB/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)