./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.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_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/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_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/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_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/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 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:16:02,540 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:16:02,632 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 00:16:02,637 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:16:02,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:16:02,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:16:02,671 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:16:02,671 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:16:02,671 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:16:02,671 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:16:02,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:16:02,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:16:02,672 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:16:02,672 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 00:16:02,674 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 00:16:02,674 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 00:16:02,674 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 00:16:02,674 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 00:16:02,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 00:16:02,675 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:16:02,676 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:16:02,677 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:16:02,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:16:02,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:16:02,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 00:16:02,677 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 00:16:02,677 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_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/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 -> 6141c3324b7a590b618db452d411a7ee802143790c8a6f6c8440be9321f9a2e7 [2024-11-24 00:16:02,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:16:02,980 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:16:02,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:16:02,983 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:16:02,983 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:16:02,985 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2024-11-24 00:16:05,857 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/data/3c5e8b3be/e3ad90a79465429d86c942378af30402/FLAG4f5b348f1 [2024-11-24 00:16:06,235 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:16:06,236 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/sv-benchmarks/c/product-lines/minepump_spec5_product17.cil.c [2024-11-24 00:16:06,252 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/data/3c5e8b3be/e3ad90a79465429d86c942378af30402/FLAG4f5b348f1 [2024-11-24 00:16:06,275 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/data/3c5e8b3be/e3ad90a79465429d86c942378af30402 [2024-11-24 00:16:06,277 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:16:06,279 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:16:06,280 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:16:06,280 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:16:06,284 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:16:06,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b7c6679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06, skipping insertion in model container [2024-11-24 00:16:06,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:16:06,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:16:06,696 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:16:06,704 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] [2024-11-24 00:16:06,706 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] [2024-11-24 00:16:06,807 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:16:06,828 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:16:06,829 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06 WrapperNode [2024-11-24 00:16:06,829 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:16:06,830 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:16:06,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:16:06,831 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:16:06,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,890 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 57, statements flattened = 365 [2024-11-24 00:16:06,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:16:06,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:16:06,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:16:06,893 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:16:06,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,902 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,916 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 00:16:06,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,922 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,923 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,932 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,933 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,934 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:16:06,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:16:06,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:16:06,940 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:16:06,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (1/1) ... [2024-11-24 00:16:06,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 00:16:06,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:16:06,982 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 00:16:06,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 00:16:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:16:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:16:07,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:16:07,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:16:07,098 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:16:07,100 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:16:07,459 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-24 00:16:07,460 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:16:07,480 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:16:07,482 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:16:07,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:16:07 BoogieIcfgContainer [2024-11-24 00:16:07,483 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:16:07,483 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 00:16:07,483 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 00:16:07,488 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 00:16:07,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:16:07,490 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 12:16:06" (1/3) ... [2024-11-24 00:16:07,491 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e488e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:16:07, skipping insertion in model container [2024-11-24 00:16:07,491 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:16:07,492 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:16:06" (2/3) ... [2024-11-24 00:16:07,492 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5e488e8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 12:16:07, skipping insertion in model container [2024-11-24 00:16:07,492 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 00:16:07,492 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:16:07" (3/3) ... [2024-11-24 00:16:07,493 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2024-11-24 00:16:07,554 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 00:16:07,555 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 00:16:07,555 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 00:16:07,555 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 00:16:07,555 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 00:16:07,555 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 00:16:07,555 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 00:16:07,555 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 00:16:07,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 00:16:07,583 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-24 00:16:07,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:16:07,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:16:07,588 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:07,588 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:07,588 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 00:16:07,589 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 00:16:07,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 70 [2024-11-24 00:16:07,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:16:07,595 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:16:07,596 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:07,596 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:07,600 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:16:07,600 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:16:07,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:07,606 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 00:16:07,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:07,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679598540] [2024-11-24 00:16:07,614 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:07,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:07,698 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:07,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:07,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:07,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1442550946, now seen corresponding path program 1 times [2024-11-24 00:16:07,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:07,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699462369] [2024-11-24 00:16:07,735 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:07,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:07,744 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:07,752 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:07,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:07,754 INFO L85 PathProgramCache]: Analyzing trace with hash 706609369, now seen corresponding path program 1 times [2024-11-24 00:16:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:07,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97054297] [2024-11-24 00:16:07,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:07,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:07,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:07,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:16:07,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97054297] [2024-11-24 00:16:07,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97054297] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:16:07,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691481011] [2024-11-24 00:16:07,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:07,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:16:07,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:16:07,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:16:07,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:16:08,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:08,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 00:16:08,099 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:16:08,206 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:16:08,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691481011] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:16:08,279 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:16:08,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 00:16:08,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318217989] [2024-11-24 00:16:08,281 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:16:08,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:16:08,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 00:16:08,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:16:08,439 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 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 00:16:08,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:08,525 INFO L93 Difference]: Finished difference Result 107 states and 135 transitions. [2024-11-24 00:16:08,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 107 states and 135 transitions. [2024-11-24 00:16:08,529 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-24 00:16:08,540 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 107 states to 97 states and 125 transitions. [2024-11-24 00:16:08,541 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 97 [2024-11-24 00:16:08,541 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 97 [2024-11-24 00:16:08,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 97 states and 125 transitions. [2024-11-24 00:16:08,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:16:08,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 97 states and 125 transitions. [2024-11-24 00:16:08,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states and 125 transitions. [2024-11-24 00:16:08,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-24 00:16:08,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 97 states have (on average 1.288659793814433) internal successors, (125), 96 states have internal predecessors, (125), 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 00:16:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 125 transitions. [2024-11-24 00:16:08,573 INFO L240 hiAutomatonCegarLoop]: Abstraction has 97 states and 125 transitions. [2024-11-24 00:16:08,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:16:08,580 INFO L425 stractBuchiCegarLoop]: Abstraction has 97 states and 125 transitions. [2024-11-24 00:16:08,581 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 00:16:08,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 97 states and 125 transitions. [2024-11-24 00:16:08,585 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2024-11-24 00:16:08,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:16:08,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:16:08,591 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:08,591 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] [2024-11-24 00:16:08,591 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:16:08,592 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~4#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:16:08,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:08,592 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 00:16:08,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:08,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734438860] [2024-11-24 00:16:08,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:08,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:08,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:08,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:08,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:08,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:08,632 INFO L85 PathProgramCache]: Analyzing trace with hash 289952249, now seen corresponding path program 1 times [2024-11-24 00:16:08,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:08,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48906584] [2024-11-24 00:16:08,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:08,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:08,640 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:08,647 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:08,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:08,648 INFO L85 PathProgramCache]: Analyzing trace with hash 1662477922, now seen corresponding path program 1 times [2024-11-24 00:16:08,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:08,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527140952] [2024-11-24 00:16:08,648 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:08,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:08,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:08,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 00:16:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527140952] [2024-11-24 00:16:08,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527140952] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:16:08,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442386553] [2024-11-24 00:16:08,812 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:08,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:16:08,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:16:08,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:16:08,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:16:08,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:16:08,916 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:16:08,919 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:16:09,005 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:16:09,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442386553] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:16:09,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:16:09,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-24 00:16:09,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775459864] [2024-11-24 00:16:09,087 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:16:09,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 00:16:09,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:16:09,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:16:09,166 INFO L87 Difference]: Start difference. First operand 97 states and 125 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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 00:16:09,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:16:09,321 INFO L93 Difference]: Finished difference Result 185 states and 237 transitions. [2024-11-24 00:16:09,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 237 transitions. [2024-11-24 00:16:09,328 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 127 [2024-11-24 00:16:09,330 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 185 states and 237 transitions. [2024-11-24 00:16:09,330 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 185 [2024-11-24 00:16:09,330 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 185 [2024-11-24 00:16:09,330 INFO L73 IsDeterministic]: Start isDeterministic. Operand 185 states and 237 transitions. [2024-11-24 00:16:09,335 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 00:16:09,335 INFO L218 hiAutomatonCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-24 00:16:09,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states and 237 transitions. [2024-11-24 00:16:09,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2024-11-24 00:16:09,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 185 states have (on average 1.281081081081081) internal successors, (237), 184 states have internal predecessors, (237), 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 00:16:09,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 237 transitions. [2024-11-24 00:16:09,353 INFO L240 hiAutomatonCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-24 00:16:09,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:16:09,357 INFO L425 stractBuchiCegarLoop]: Abstraction has 185 states and 237 transitions. [2024-11-24 00:16:09,357 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 00:16:09,357 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 185 states and 237 transitions. [2024-11-24 00:16:09,359 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 127 [2024-11-24 00:16:09,360 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 00:16:09,360 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 00:16:09,361 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:09,361 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:16:09,362 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);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret4#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 00:16:09,362 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet48#1;test_~tmp~7#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet49#1;test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet50#1;test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret29#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret29#1;havoc __utac_acc__Specification5_spec__2_#t~ret29#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret29#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret37#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~4#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1;" "__utac_acc__Specification5_spec__3_#t~ret30#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~4#1 := __utac_acc__Specification5_spec__3_#t~ret30#1;havoc __utac_acc__Specification5_spec__3_#t~ret30#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret31#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret31#1;havoc __utac_acc__Specification5_spec__3_#t~ret31#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret30#1, __utac_acc__Specification5_spec__3_#t~ret31#1, __utac_acc__Specification5_spec__3_~tmp~4#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 00:16:09,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:09,363 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 00:16:09,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:09,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974009983] [2024-11-24 00:16:09,363 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:09,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,378 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,386 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:09,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:09,387 INFO L85 PathProgramCache]: Analyzing trace with hash -549768236, now seen corresponding path program 1 times [2024-11-24 00:16:09,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:09,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1874229386] [2024-11-24 00:16:09,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:09,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,401 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:09,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:16:09,402 INFO L85 PathProgramCache]: Analyzing trace with hash -107556355, now seen corresponding path program 1 times [2024-11-24 00:16:09,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 00:16:09,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460709575] [2024-11-24 00:16:09,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:16:09,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:16:09,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,419 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:09,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:09,437 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 00:16:10,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:10,598 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:16:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:16:10,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 12:16:10 BoogieIcfgContainer [2024-11-24 00:16:10,676 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 00:16:10,677 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:16:10,677 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:16:10,677 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:16:10,678 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:16:07" (3/4) ... [2024-11-24 00:16:10,680 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 00:16:10,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:16:10,730 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:16:10,734 INFO L158 Benchmark]: Toolchain (without parser) took 4452.81ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 105.5MB in the beginning and 196.0MB in the end (delta: -90.5MB). Peak memory consumption was 191.3MB. Max. memory is 16.1GB. [2024-11-24 00:16:10,734 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:16:10,734 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.85ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 87.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:16:10,735 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.64ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:16:10,735 INFO L158 Benchmark]: Boogie Preprocessor took 46.96ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:16:10,736 INFO L158 Benchmark]: RCFGBuilder took 542.70ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 63.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:16:10,736 INFO L158 Benchmark]: BuchiAutomizer took 3193.27ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.2MB in the beginning and 198.7MB in the end (delta: -135.5MB). Peak memory consumption was 149.4MB. Max. memory is 16.1GB. [2024-11-24 00:16:10,737 INFO L158 Benchmark]: Witness Printer took 53.48ms. Allocated memory is still 427.8MB. Free memory was 198.7MB in the beginning and 196.0MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:16:10,740 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 167.8MB. Free memory is still 102.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 549.85ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 87.4MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.64ms. Allocated memory is still 142.6MB. Free memory was 87.4MB in the beginning and 85.0MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.96ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 542.70ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 63.2MB in the end (delta: 19.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3193.27ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 63.2MB in the beginning and 198.7MB in the end (delta: -135.5MB). Peak memory consumption was 149.4MB. Max. memory is 16.1GB. * Witness Printer took 53.48ms. Allocated memory is still 427.8MB. Free memory was 198.7MB in the beginning and 196.0MB in the end (delta: 2.7MB). 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,"Test.i","") [49] - GenericResultAtLocation [Line: 155]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [155] - GenericResultAtLocation [Line: 521]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [521] - GenericResultAtLocation [Line: 530]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [530] - GenericResultAtLocation [Line: 565]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [565] - GenericResultAtLocation [Line: 616]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [616] - GenericResultAtLocation [Line: 709]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [709] - GenericResultAtLocation [Line: 866]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [866] * 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 185 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. 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, 343 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 343 mSDsluCounter, 805 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 567 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 238 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 879]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 879]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L325] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L568] int switchedOnBeforeTS ; [L621] int waterLevel = 1; [L622] int methaneLevelCritical = 0; [L712] int pumpRunning = 0; [L713] int systemActive = 1; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L133] int retValue_acc ; [L134] int tmp ; [L138] FCALL select_helpers() [L139] FCALL select_features() [L140] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L140] RET, EXPR valid_product() [L140] tmp = valid_product() [L142] COND TRUE \read(tmp) [L144] FCALL setup() [L145] CALL runTest() [L123] CALL __utac_acc__Specification5_spec__1() [L573] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L123] RET __utac_acc__Specification5_spec__1() [L124] CALL test() [L868] int splverifierCounter ; [L869] int tmp ; [L870] int tmp___0 ; [L871] int tmp___1 ; [L872] int tmp___2 ; [L875] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L879] COND TRUE splverifierCounter < 4 [L885] tmp = __VERIFIER_nondet_int() [L887] COND FALSE !(\read(tmp)) [L895] tmp___0 = __VERIFIER_nondet_int() [L897] COND FALSE !(\read(tmp___0)) [L905] tmp___2 = __VERIFIER_nondet_int() [L907] COND TRUE \read(tmp___2) [L920] CALL timeShift() [L720] CALL __utac_acc__Specification5_spec__2() [L582] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L582] RET, EXPR isPumpRunning() [L582] switchedOnBeforeTS = isPumpRunning() [L720] RET __utac_acc__Specification5_spec__2() [L722] COND FALSE !(\read(pumpRunning)) [L729] COND TRUE \read(systemActive) [L731] CALL processEnvironment() [L751] int tmp ; [L754] COND FALSE !(\read(pumpRunning)) [L769] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment() [L737] CALL __utac_acc__Specification5_spec__3() [L588] int tmp ; [L589] int tmp___0 ; [L593] CALL, EXPR getWaterLevel() [L692] int retValue_acc ; [L695] retValue_acc = waterLevel [L696] return (retValue_acc); [L593] RET, EXPR getWaterLevel() [L593] tmp = getWaterLevel() [L595] COND TRUE tmp != 2 [L597] CALL, EXPR isPumpRunning() [L803] int retValue_acc ; [L806] retValue_acc = pumpRunning [L807] return (retValue_acc); [L597] RET, EXPR isPumpRunning() [L597] tmp___0 = isPumpRunning() [L599] COND FALSE !(\read(tmp___0)) [L737] RET __utac_acc__Specification5_spec__3() [L920] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 00:16:10,764 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 00:16:10,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:16:11,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffcdf2b5-70aa-4993-8de4-9fd6379699f5/bin/uautomizer-verify-LYvppIcaGC/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)