./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product41.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_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1 --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 12f35b53fa21b1b526c5ccefe7a49d52db3501fafceaddf16f789eadd54f272a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 13:52:45,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 13:52:45,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-12-02 13:52:45,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 13:52:45,210 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 13:52:45,236 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 13:52:45,237 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 13:52:45,237 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 13:52:45,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 13:52:45,237 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 13:52:45,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 13:52:45,238 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * Use old map elimination=false [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-12-02 13:52:45,238 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-12-02 13:52:45,239 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-12-02 13:52:45,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 13:52:45,240 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 13:52:45,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 13:52:45,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 13:52:45,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-12-02 13:52:45,241 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-12-02 13:52:45,241 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_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1 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 -> 12f35b53fa21b1b526c5ccefe7a49d52db3501fafceaddf16f789eadd54f272a [2024-12-02 13:52:45,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 13:52:45,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 13:52:45,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 13:52:45,520 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 13:52:45,521 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 13:52:45,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c [2024-12-02 13:52:48,200 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/data/55ad2ba54/b86db63e95804d16868cf28cda60911c/FLAGbcbdfb6a4 [2024-12-02 13:52:48,415 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 13:52:48,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/sv-benchmarks/c/product-lines/minepump_spec4_product41.cil.c [2024-12-02 13:52:48,426 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/data/55ad2ba54/b86db63e95804d16868cf28cda60911c/FLAGbcbdfb6a4 [2024-12-02 13:52:48,440 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/data/55ad2ba54/b86db63e95804d16868cf28cda60911c [2024-12-02 13:52:48,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 13:52:48,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 13:52:48,445 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 13:52:48,445 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 13:52:48,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 13:52:48,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0e3c10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48, skipping insertion in model container [2024-12-02 13:52:48,450 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,473 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 13:52:48,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:52:48,684 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 13:52:48,690 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [150] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [178] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [216] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [225] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [591] [2024-12-02 13:52:48,691 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [658] [2024-12-02 13:52:48,692 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831] [2024-12-02 13:52:48,741 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 13:52:48,757 INFO L204 MainTranslator]: Completed translation [2024-12-02 13:52:48,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48 WrapperNode [2024-12-02 13:52:48,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 13:52:48,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 13:52:48,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 13:52:48,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 13:52:48,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,797 INFO L138 Inliner]: procedures = 53, calls = 96, calls flagged for inlining = 49, calls inlined = 59, statements flattened = 400 [2024-12-02 13:52:48,797 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 13:52:48,797 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 13:52:48,798 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 13:52:48,798 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 13:52:48,805 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,805 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,820 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]. [2024-12-02 13:52:48,820 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,820 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,826 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,828 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,833 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,835 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,838 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 13:52:48,839 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 13:52:48,839 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 13:52:48,839 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 13:52:48,840 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (1/1) ... [2024-12-02 13:52:48,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-12-02 13:52:48,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:52:48,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-12-02 13:52:48,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-12-02 13:52:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 13:52:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 13:52:48,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 13:52:48,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 13:52:48,957 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 13:52:48,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 13:52:49,238 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live. [2024-12-02 13:52:49,238 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 13:52:49,249 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 13:52:49,249 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 13:52:49,250 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:49 BoogieIcfgContainer [2024-12-02 13:52:49,250 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 13:52:49,251 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-12-02 13:52:49,251 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-12-02 13:52:49,256 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-12-02 13:52:49,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:52:49,257 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:52:48" (1/3) ... [2024-12-02 13:52:49,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15e609ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:52:49, skipping insertion in model container [2024-12-02 13:52:49,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:52:49,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:52:48" (2/3) ... [2024-12-02 13:52:49,258 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15e609ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:52:49, skipping insertion in model container [2024-12-02 13:52:49,258 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-12-02 13:52:49,258 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:49" (3/3) ... [2024-12-02 13:52:49,259 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product41.cil.c [2024-12-02 13:52:49,306 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-12-02 13:52:49,306 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-12-02 13:52:49,307 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-12-02 13:52:49,307 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-12-02 13:52:49,307 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-12-02 13:52:49,307 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-12-02 13:52:49,307 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-12-02 13:52:49,307 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-12-02 13:52:49,312 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2024-12-02 13:52:49,330 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-12-02 13:52:49,330 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:52:49,330 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:52:49,335 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,336 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,336 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-12-02 13:52:49,336 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2024-12-02 13:52:49,341 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74 [2024-12-02 13:52:49,341 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:52:49,341 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:52:49,341 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,341 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,344 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:52:49,345 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:52:49,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:49,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-12-02 13:52:49,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:49,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522199584] [2024-12-02 13:52:49,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:49,425 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:49,453 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:49,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:49,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1058705912, now seen corresponding path program 1 times [2024-12-02 13:52:49,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:49,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096116133] [2024-12-02 13:52:49,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:49,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:49,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:49,464 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:49,472 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:49,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:49,473 INFO L85 PathProgramCache]: Analyzing trace with hash 1102429108, now seen corresponding path program 1 times [2024-12-02 13:52:49,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:49,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499779618] [2024-12-02 13:52:49,474 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:49,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:49,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:52:49,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:52:49,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499779618] [2024-12-02 13:52:49,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499779618] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:52:49,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159400812] [2024-12-02 13:52:49,651 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:49,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:52:49,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:52:49,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:52:49,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 13:52:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:52:49,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 13:52:49,719 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:52:49,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:52:49,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159400812] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:52:49,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:52:49,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-12-02 13:52:49,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471956054] [2024-12-02 13:52:49,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:52:49,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:52:49,880 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 13:52:49,880 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-12-02 13:52:49,882 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3675213675213675) internal successors, (160), 117 states have internal predecessors, (160), 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) [2024-12-02 13:52:49,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:52:49,945 INFO L93 Difference]: Finished difference Result 112 states and 143 transitions. [2024-12-02 13:52:49,946 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 143 transitions. [2024-12-02 13:52:49,948 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-12-02 13:52:49,954 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 102 states and 133 transitions. [2024-12-02 13:52:49,955 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 102 [2024-12-02 13:52:49,955 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 102 [2024-12-02 13:52:49,956 INFO L73 IsDeterministic]: Start isDeterministic. Operand 102 states and 133 transitions. [2024-12-02 13:52:49,957 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:52:49,957 INFO L218 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-12-02 13:52:49,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states and 133 transitions. [2024-12-02 13:52:49,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2024-12-02 13:52:49,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 102 states have (on average 1.303921568627451) internal successors, (133), 101 states have internal predecessors, (133), 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) [2024-12-02 13:52:49,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 133 transitions. [2024-12-02 13:52:49,978 INFO L240 hiAutomatonCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-12-02 13:52:49,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 13:52:49,982 INFO L425 stractBuchiCegarLoop]: Abstraction has 102 states and 133 transitions. [2024-12-02 13:52:49,982 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-12-02 13:52:49,982 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 133 transitions. [2024-12-02 13:52:49,983 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 68 [2024-12-02 13:52:49,984 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:52:49,984 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:52:49,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,984 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:49,984 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:52:49,984 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#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~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:52:49,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:49,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-12-02 13:52:49,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:49,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200631732] [2024-12-02 13:52:49,985 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:49,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:49,994 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:50,003 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:50,003 INFO L85 PathProgramCache]: Analyzing trace with hash -795059151, now seen corresponding path program 1 times [2024-12-02 13:52:50,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:50,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185036021] [2024-12-02 13:52:50,003 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:50,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:52:50,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-12-02 13:52:50,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185036021] [2024-12-02 13:52:50,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185036021] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 13:52:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737128324] [2024-12-02 13:52:50,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:50,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 13:52:50,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 13:52:50,026 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 13:52:50,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 13:52:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:52:50,062 INFO L256 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-02 13:52:50,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:52:50,068 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 13:52:50,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737128324] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 13:52:50,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 13:52:50,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-12-02 13:52:50,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064881336] [2024-12-02 13:52:50,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 13:52:50,073 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-12-02 13:52:50,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-12-02 13:52:50,073 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 13:52:50,073 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 13:52:50,073 INFO L87 Difference]: Start difference. First operand 102 states and 133 transitions. cyclomatic complexity: 33 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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) [2024-12-02 13:52:50,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:52:50,122 INFO L93 Difference]: Finished difference Result 155 states and 196 transitions. [2024-12-02 13:52:50,122 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 155 states and 196 transitions. [2024-12-02 13:52:50,124 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2024-12-02 13:52:50,126 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 155 states to 155 states and 196 transitions. [2024-12-02 13:52:50,126 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2024-12-02 13:52:50,126 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2024-12-02 13:52:50,126 INFO L73 IsDeterministic]: Start isDeterministic. Operand 155 states and 196 transitions. [2024-12-02 13:52:50,127 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-12-02 13:52:50,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 155 states and 196 transitions. [2024-12-02 13:52:50,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states and 196 transitions. [2024-12-02 13:52:50,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2024-12-02 13:52:50,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 155 states have (on average 1.264516129032258) internal successors, (196), 154 states have internal predecessors, (196), 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) [2024-12-02 13:52:50,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 196 transitions. [2024-12-02 13:52:50,134 INFO L240 hiAutomatonCegarLoop]: Abstraction has 155 states and 196 transitions. [2024-12-02 13:52:50,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 13:52:50,135 INFO L425 stractBuchiCegarLoop]: Abstraction has 155 states and 196 transitions. [2024-12-02 13:52:50,135 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-12-02 13:52:50,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 155 states and 196 transitions. [2024-12-02 13:52:50,137 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 108 [2024-12-02 13:52:50,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-12-02 13:52:50,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-12-02 13:52:50,137 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 13:52:50,137 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] [2024-12-02 13:52:50,137 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);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret51#1, main_~retValue_acc~11#1, main_~tmp~8#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~8#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret51#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~8#1 := main_#t~ret51#1;havoc main_#t~ret51#1;" "assume 0 != main_~tmp~8#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet35#1, test_#t~nondet36#1, test_#t~nondet37#1, test_#t~nondet38#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-12-02 13:52:50,138 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet35#1;test_~tmp~4#1 := test_#t~nondet35#1;havoc test_#t~nondet35#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet36#1;test_~tmp___0~1#1 := test_#t~nondet36#1;havoc test_#t~nondet36#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet37#1;test_~tmp___2~0#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;havoc isHighWaterLevel_~retValue_acc~10#1;havoc isHighWaterLevel_~tmp~7#1;havoc isHighWaterLevel_~tmp___0~2#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret50#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~7#1 := isHighWaterLevel_#t~ret50#1;havoc isHighWaterLevel_#t~ret50#1;" "assume 0 != isHighWaterLevel_~tmp~7#1;isHighWaterLevel_~tmp___0~2#1 := 0;" "isHighWaterLevel_~retValue_acc~10#1 := isHighWaterLevel_~tmp___0~2#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~10#1;" "processEnvironment_#t~ret39#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret50#1, isHighWaterLevel_~retValue_acc~10#1, isHighWaterLevel_~tmp~7#1, isHighWaterLevel_~tmp___0~2#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~5#1 := processEnvironment_#t~ret39#1;havoc processEnvironment_#t~ret39#1;" "assume !(0 != processEnvironment_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret39#1, processEnvironment_~tmp~5#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification4_spec__1_#t~ret9#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret9#1;havoc __utac_acc__Specification4_spec__1_#t~ret9#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret9#1, __utac_acc__Specification4_spec__1_#t~ret10#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-12-02 13:52:50,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:50,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-12-02 13:52:50,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:50,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774049116] [2024-12-02 13:52:50,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:50,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:50,154 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:50,155 INFO L85 PathProgramCache]: Analyzing trace with hash 1757854009, now seen corresponding path program 1 times [2024-12-02 13:52:50,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:50,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615436699] [2024-12-02 13:52:50,155 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:50,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:50,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,163 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,170 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:50,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:52:50,170 INFO L85 PathProgramCache]: Analyzing trace with hash 1301857021, now seen corresponding path program 1 times [2024-12-02 13:52:50,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-12-02 13:52:50,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523249016] [2024-12-02 13:52:50,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:52:50,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 13:52:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,182 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:50,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:50,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-12-02 13:52:51,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:51,107 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 13:52:51,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 13:52:51,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:52:51 BoogieIcfgContainer [2024-12-02 13:52:51,162 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-12-02 13:52:51,163 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 13:52:51,163 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 13:52:51,163 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 13:52:51,164 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:52:49" (3/4) ... [2024-12-02 13:52:51,166 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-12-02 13:52:51,211 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 13:52:51,211 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 13:52:51,212 INFO L158 Benchmark]: Toolchain (without parser) took 2768.16ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 89.5MB in the end (delta: 26.9MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-12-02 13:52:51,212 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:52:51,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.14ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 98.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:52:51,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.61ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:52:51,213 INFO L158 Benchmark]: Boogie Preprocessor took 40.63ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 13:52:51,214 INFO L158 Benchmark]: RCFGBuilder took 411.06ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 72.8MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 13:52:51,214 INFO L158 Benchmark]: BuchiAutomizer took 1911.73ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 92.0MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:52:51,214 INFO L158 Benchmark]: Witness Printer took 48.12ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 89.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 13:52:51,216 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.14ms. Allocated memory is still 142.6MB. Free memory was 116.2MB in the beginning and 98.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.61ms. Allocated memory is still 142.6MB. Free memory was 98.1MB in the beginning and 95.8MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.63ms. Allocated memory is still 142.6MB. Free memory was 95.8MB in the beginning and 93.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 411.06ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 72.8MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 1911.73ms. Allocated memory is still 142.6MB. Free memory was 72.6MB in the beginning and 92.0MB in the end (delta: -19.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.12ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 89.5MB in the end (delta: 2.5MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 150]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [150] - GenericResultAtLocation [Line: 178]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [178] - GenericResultAtLocation [Line: 216]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [216] - GenericResultAtLocation [Line: 225]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [225] - GenericResultAtLocation [Line: 591]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [591] - GenericResultAtLocation [Line: 658]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [658] - GenericResultAtLocation [Line: 831]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [831] * 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 155 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 248 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 248 mSDsluCounter, 611 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 340 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 271 mSDtfsCounter, 39 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: 606]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L395] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; [L832] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] int retValue_acc ; [L906] int tmp ; [L910] FCALL select_helpers() [L911] FCALL select_features() [L912] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET, EXPR valid_product() [L912] tmp = valid_product() [L914] COND TRUE \read(tmp) [L916] FCALL setup() [L917] CALL runTest() [L899] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L647] CALL timeShift() [L669] COND FALSE !(\read(pumpRunning)) [L676] COND TRUE \read(systemActive) [L678] CALL processEnvironment() [L698] int tmp ; [L701] COND TRUE ! pumpRunning [L703] CALL, EXPR isHighWaterLevel() [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L819] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L819] RET, EXPR isHighWaterSensorDry() [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L703] RET, EXPR isHighWaterLevel() [L703] tmp = isHighWaterLevel() [L705] COND FALSE !(\read(tmp)) [L711] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment() [L684] CALL __utac_acc__Specification4_spec__1() [L154] int tmp ; [L155] int tmp___0 ; [L159] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L159] RET, EXPR getWaterLevel() [L159] tmp = getWaterLevel() [L161] COND FALSE !(tmp == 0) [L684] RET __utac_acc__Specification4_spec__1() [L647] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 606]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L395] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L662] int pumpRunning = 0; [L663] int systemActive = 1; [L832] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L905] int retValue_acc ; [L906] int tmp ; [L910] FCALL select_helpers() [L911] FCALL select_features() [L912] CALL, EXPR valid_product() [L208] int retValue_acc ; [L211] retValue_acc = 1 [L212] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L912] RET, EXPR valid_product() [L912] tmp = valid_product() [L914] COND TRUE \read(tmp) [L916] FCALL setup() [L917] CALL runTest() [L899] CALL test() [L595] int splverifierCounter ; [L596] int tmp ; [L597] int tmp___0 ; [L598] int tmp___1 ; [L599] int tmp___2 ; [L602] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L606] COND TRUE splverifierCounter < 4 [L612] tmp = __VERIFIER_nondet_int() [L614] COND FALSE !(\read(tmp)) [L622] tmp___0 = __VERIFIER_nondet_int() [L624] COND FALSE !(\read(tmp___0)) [L632] tmp___2 = __VERIFIER_nondet_int() [L634] COND TRUE \read(tmp___2) [L647] CALL timeShift() [L669] COND FALSE !(\read(pumpRunning)) [L676] COND TRUE \read(systemActive) [L678] CALL processEnvironment() [L698] int tmp ; [L701] COND TRUE ! pumpRunning [L703] CALL, EXPR isHighWaterLevel() [L813] int retValue_acc ; [L814] int tmp ; [L815] int tmp___0 ; [L819] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L819] RET, EXPR isHighWaterSensorDry() [L819] tmp = isHighWaterSensorDry() [L821] COND TRUE \read(tmp) [L822] tmp___0 = 0 [L826] retValue_acc = tmp___0 [L827] return (retValue_acc); [L703] RET, EXPR isHighWaterLevel() [L703] tmp = isHighWaterLevel() [L705] COND FALSE !(\read(tmp)) [L711] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment() [L684] CALL __utac_acc__Specification4_spec__1() [L154] int tmp ; [L155] int tmp___0 ; [L159] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L159] RET, EXPR getWaterLevel() [L159] tmp = getWaterLevel() [L161] COND FALSE !(tmp == 0) [L684] RET __utac_acc__Specification4_spec__1() [L647] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-12-02 13:52:51,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 13:52:51,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 13:52:51,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c8c09f73-f948-48d4-a9f4-a64e92deb190/bin/uautomizer-verify-84ZbGMXZE1/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)