./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product22.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_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/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_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/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_d05a1b98-1041-4af7-bd1e-af07d4feb17e/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 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:48:52,211 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:48:52,306 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:48:52,311 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:48:52,311 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:48:52,333 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:48:52,334 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:48:52,334 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:48:52,334 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:48:52,334 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:48:52,335 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:48:52,335 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:48:52,335 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:48:52,335 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:48:52,336 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:48:52,336 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:48:52,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:48:52,338 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:48:52,338 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:48:52,339 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:48:52,339 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:48:52,339 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:48:52,339 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:48:52,339 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_d05a1b98-1041-4af7-bd1e-af07d4feb17e/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 -> 1f2870beb38cc74f17a96c393839e7d6d2f1f4f9c95ce97be38a991d6b510bc3 [2024-11-24 01:48:52,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:48:52,672 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:48:52,675 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:48:52,676 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:48:52,677 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:48:52,678 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-11-24 01:48:55,606 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/data/58096542d/15db4b0894ec4b13ad3edd322475fc88/FLAGa6e383585 [2024-11-24 01:48:56,001 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:48:56,004 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/sv-benchmarks/c/product-lines/minepump_spec5_product22.cil.c [2024-11-24 01:48:56,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/data/58096542d/15db4b0894ec4b13ad3edd322475fc88/FLAGa6e383585 [2024-11-24 01:48:56,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/data/58096542d/15db4b0894ec4b13ad3edd322475fc88 [2024-11-24 01:48:56,053 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:48:56,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:48:56,058 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:56,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:48:56,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:48:56,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@672030ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56, skipping insertion in model container [2024-11-24 01:48:56,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,115 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:48:56,486 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:56,500 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:48:56,509 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49] [2024-11-24 01:48:56,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] [2024-11-24 01:48:56,510 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] [2024-11-24 01:48:56,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] [2024-11-24 01:48:56,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] [2024-11-24 01:48:56,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] [2024-11-24 01:48:56,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] [2024-11-24 01:48:56,511 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] [2024-11-24 01:48:56,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:48:56,621 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:48:56,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56 WrapperNode [2024-11-24 01:48:56,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:48:56,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:56,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:48:56,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:48:56,633 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,649 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,692 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 55, calls inlined = 88, statements flattened = 548 [2024-11-24 01:48:56,693 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:48:56,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:48:56,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:48:56,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:48:56,706 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,715 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,739 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 01:48:56,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,747 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,754 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:48:56,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:48:56,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:48:56,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:48:56,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (1/1) ... [2024-11-24 01:48:56,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:48:56,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:56,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:48:56,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:48:56,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:48:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:48:56,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:48:56,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:48:56,910 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:48:56,912 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:48:57,340 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-24 01:48:57,340 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:48:57,353 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:48:57,353 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:48:57,353 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:57 BoogieIcfgContainer [2024-11-24 01:48:57,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:48:57,355 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:48:57,355 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:48:57,361 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:48:57,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:57,362 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:48:56" (1/3) ... [2024-11-24 01:48:57,363 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781d1b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:48:57, skipping insertion in model container [2024-11-24 01:48:57,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:57,363 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:48:56" (2/3) ... [2024-11-24 01:48:57,363 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@781d1b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:48:57, skipping insertion in model container [2024-11-24 01:48:57,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:48:57,364 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:57" (3/3) ... [2024-11-24 01:48:57,365 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product22.cil.c [2024-11-24 01:48:57,417 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:48:57,417 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:48:57,417 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:48:57,417 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:48:57,417 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:48:57,418 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:48:57,418 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:48:57,418 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:48:57,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 161 states have internal predecessors, (216), 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 01:48:57,445 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-24 01:48:57,446 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:57,446 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:57,453 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:57,453 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:57,453 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:48:57,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 162 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 161 states have internal predecessors, (216), 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 01:48:57,461 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2024-11-24 01:48:57,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:57,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:57,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:57,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:57,467 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1;" "assume 0 != main_~tmp~5#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~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:48:57,468 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret17#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~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:48:57,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:57,474 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-24 01:48:57,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:57,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1906539807] [2024-11-24 01:48:57,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:57,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:57,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:57,569 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:57,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:57,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 103840664, now seen corresponding path program 1 times [2024-11-24 01:48:57,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:57,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723455390] [2024-11-24 01:48:57,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:57,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:57,615 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:57,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:57,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:57,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:57,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1235511743, now seen corresponding path program 1 times [2024-11-24 01:48:57,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:57,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495648904] [2024-11-24 01:48:57,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:57,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:57,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:48:57,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495648904] [2024-11-24 01:48:57,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495648904] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:57,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56538016] [2024-11-24 01:48:57,933 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:57,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:57,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:57,938 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:57,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:48:58,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:58,045 INFO L256 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:48:58,046 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:58,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:48:58,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56538016] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:48:58,192 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:48:58,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:48:58,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706827515] [2024-11-24 01:48:58,193 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:48:58,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:48:58,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:48:58,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:48:58,355 INFO L87 Difference]: Start difference. First operand has 162 states, 161 states have (on average 1.3416149068322982) internal successors, (216), 161 states have internal predecessors, (216), 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 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 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 01:48:58,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:58,439 INFO L93 Difference]: Finished difference Result 156 states and 199 transitions. [2024-11-24 01:48:58,440 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 199 transitions. [2024-11-24 01:48:58,444 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-24 01:48:58,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 146 states and 189 transitions. [2024-11-24 01:48:58,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 146 [2024-11-24 01:48:58,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 146 [2024-11-24 01:48:58,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 146 states and 189 transitions. [2024-11-24 01:48:58,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:48:58,455 INFO L218 hiAutomatonCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-24 01:48:58,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states and 189 transitions. [2024-11-24 01:48:58,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-24 01:48:58,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 146 states have (on average 1.2945205479452055) internal successors, (189), 145 states have internal predecessors, (189), 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 01:48:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 189 transitions. [2024-11-24 01:48:58,501 INFO L240 hiAutomatonCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-24 01:48:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:48:58,509 INFO L425 stractBuchiCegarLoop]: Abstraction has 146 states and 189 transitions. [2024-11-24 01:48:58,509 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:48:58,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 146 states and 189 transitions. [2024-11-24 01:48:58,511 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2024-11-24 01:48:58,511 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:58,511 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:58,512 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:58,512 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] [2024-11-24 01:48:58,512 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1;" "assume 0 != main_~tmp~5#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~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:48:58,512 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet23#1;test_~tmp___1~0#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret17#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~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:48:58,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:58,517 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-24 01:48:58,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:58,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434454700] [2024-11-24 01:48:58,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:58,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:58,538 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:58,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:58,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:58,555 INFO L85 PathProgramCache]: Analyzing trace with hash 698479040, now seen corresponding path program 1 times [2024-11-24 01:48:58,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:58,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677836738] [2024-11-24 01:48:58,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:58,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:58,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:58,568 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:58,579 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:58,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:58,580 INFO L85 PathProgramCache]: Analyzing trace with hash 1522145463, now seen corresponding path program 1 times [2024-11-24 01:48:58,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:58,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397482319] [2024-11-24 01:48:58,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:58,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:58,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:48:58,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397482319] [2024-11-24 01:48:58,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397482319] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:48:58,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [372549595] [2024-11-24 01:48:58,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:58,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:48:58,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:48:58,770 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:48:58,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:48:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:48:58,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:48:58,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:48:58,927 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:48:59,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [372549595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:48:59,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:48:59,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-11-24 01:48:59,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113562407] [2024-11-24 01:48:59,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:48:59,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:48:59,123 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:48:59,124 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:48:59,124 INFO L87 Difference]: Start difference. First operand 146 states and 189 transitions. cyclomatic complexity: 45 Second operand has 8 states, 8 states have (on average 7.5) internal successors, (60), 7 states have internal predecessors, (60), 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 01:48:59,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:48:59,326 INFO L93 Difference]: Finished difference Result 283 states and 365 transitions. [2024-11-24 01:48:59,326 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 283 states and 365 transitions. [2024-11-24 01:48:59,334 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193 [2024-11-24 01:48:59,336 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 283 states to 283 states and 365 transitions. [2024-11-24 01:48:59,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 283 [2024-11-24 01:48:59,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 283 [2024-11-24 01:48:59,337 INFO L73 IsDeterministic]: Start isDeterministic. Operand 283 states and 365 transitions. [2024-11-24 01:48:59,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:48:59,341 INFO L218 hiAutomatonCegarLoop]: Abstraction has 283 states and 365 transitions. [2024-11-24 01:48:59,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states and 365 transitions. [2024-11-24 01:48:59,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2024-11-24 01:48:59,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 283 states, 283 states have (on average 1.2897526501766785) internal successors, (365), 282 states have internal predecessors, (365), 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 01:48:59,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 365 transitions. [2024-11-24 01:48:59,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 283 states and 365 transitions. [2024-11-24 01:48:59,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:48:59,367 INFO L425 stractBuchiCegarLoop]: Abstraction has 283 states and 365 transitions. [2024-11-24 01:48:59,367 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 01:48:59,367 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 283 states and 365 transitions. [2024-11-24 01:48:59,369 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 193 [2024-11-24 01:48:59,369 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:48:59,369 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:48:59,370 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:59,370 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:48:59,370 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);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret24#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1;" "main_#t~ret24#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret24#1;havoc main_#t~ret24#1;" "assume 0 != main_~tmp~5#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~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_#t~nondet23#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:48:59,370 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet20#1;test_~tmp~4#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet21#1;test_~tmp___0~2#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet22#1;test_~tmp___2~0#1 := test_#t~nondet22#1;havoc test_#t~nondet22#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__2_#t~ret17#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret17#1;havoc __utac_acc__Specification5_spec__2_#t~ret17#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret17#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~ret6#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret5#1, processEnvironment__wrappee__lowWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret18#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret18#1;havoc __utac_acc__Specification5_spec__3_#t~ret18#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;havoc isPumpRunning_~retValue_acc~3#1;isPumpRunning_~retValue_acc~3#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~3#1;" "__utac_acc__Specification5_spec__3_#t~ret19#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~3#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret19#1;havoc __utac_acc__Specification5_spec__3_#t~ret19#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret18#1, __utac_acc__Specification5_spec__3_#t~ret19#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:48:59,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:59,370 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-24 01:48:59,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:59,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513097859] [2024-11-24 01:48:59,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:59,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,378 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:59,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:59,386 INFO L85 PathProgramCache]: Analyzing trace with hash 975770332, now seen corresponding path program 1 times [2024-11-24 01:48:59,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:59,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144726358] [2024-11-24 01:48:59,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:59,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,392 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:48:59,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:48:59,399 INFO L85 PathProgramCache]: Analyzing trace with hash -2049746925, now seen corresponding path program 1 times [2024-11-24 01:48:59,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:48:59,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42829022] [2024-11-24 01:48:59,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:48:59,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:48:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,416 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:48:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:48:59,433 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:49:00,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:49:00,628 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:49:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:49:00,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:49:00 BoogieIcfgContainer [2024-11-24 01:49:00,708 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:49:00,708 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:49:00,708 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:49:00,709 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:49:00,711 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:48:57" (3/4) ... [2024-11-24 01:49:00,713 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:49:00,775 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:49:00,775 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:49:00,776 INFO L158 Benchmark]: Toolchain (without parser) took 4720.88ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 107.3MB in the beginning and 212.4MB in the end (delta: -105.1MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-11-24 01:49:00,776 INFO L158 Benchmark]: CDTParser took 1.04ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:49:00,776 INFO L158 Benchmark]: CACSL2BoogieTranslator took 565.18ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 89.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:49:00,777 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.10ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 86.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:49:00,777 INFO L158 Benchmark]: Boogie Preprocessor took 70.53ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:49:00,777 INFO L158 Benchmark]: RCFGBuilder took 589.41ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 58.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:49:00,778 INFO L158 Benchmark]: BuchiAutomizer took 3352.96ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 58.3MB in the beginning and 215.5MB in the end (delta: -157.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-24 01:49:00,778 INFO L158 Benchmark]: Witness Printer took 66.71ms. Allocated memory is still 327.2MB. Free memory was 215.5MB in the beginning and 212.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:49:00,780 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.04ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 565.18ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 89.0MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.10ms. Allocated memory is still 142.6MB. Free memory was 88.7MB in the beginning and 86.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.53ms. Allocated memory is still 142.6MB. Free memory was 86.1MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 589.41ms. Allocated memory is still 142.6MB. Free memory was 83.2MB in the beginning and 58.3MB in the end (delta: 24.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3352.96ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 58.3MB in the beginning and 215.5MB in the end (delta: -157.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 66.71ms. Allocated memory is still 327.2MB. Free memory was 215.5MB in the beginning and 212.4MB in the end (delta: 3.1MB). 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,"featureselect.i","") [49] - GenericResultAtLocation [Line: 87]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [87] - GenericResultAtLocation [Line: 288]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [288] - GenericResultAtLocation [Line: 339]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [339] - GenericResultAtLocation [Line: 409]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [409] - GenericResultAtLocation [Line: 506]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [506] - GenericResultAtLocation [Line: 872]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [872] - GenericResultAtLocation [Line: 961]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [961] * 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 8 locations. The remainder module has 283 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s 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, 505 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 505 mSDsluCounter, 1401 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1038 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 136 IncrementalHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 363 mSDtfsCounter, 136 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: 355]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L291] int switchedOnBeforeTS ; [L410] int cleanupTimeShifts = 4; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L484] int retValue_acc ; [L485] int tmp ; [L489] FCALL select_helpers() [L490] FCALL select_features() [L491] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L491] RET, EXPR valid_product() [L491] tmp = valid_product() [L493] COND TRUE \read(tmp) [L495] FCALL setup() [L496] CALL runTest() [L477] CALL __utac_acc__Specification5_spec__1() [L296] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L477] RET __utac_acc__Specification5_spec__1() [L478] CALL test() [L344] int splverifierCounter ; [L345] int tmp ; [L346] int tmp___0 ; [L347] int tmp___1 ; [L348] int tmp___2 ; [L351] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE splverifierCounter < 4 [L361] tmp = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp)) [L371] tmp___0 = __VERIFIER_nondet_int() [L373] COND FALSE !(\read(tmp___0)) [L381] tmp___2 = __VERIFIER_nondet_int() [L383] COND TRUE \read(tmp___2) [L385] CALL startSystem() [L284] systemActive = 1 [L385] RET startSystem() [L398] CALL timeShift() [L108] CALL __utac_acc__Specification5_spec__2() [L305] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L305] RET, EXPR isPumpRunning() [L305] switchedOnBeforeTS = isPumpRunning() [L108] RET __utac_acc__Specification5_spec__2() [L110] COND FALSE !(\read(pumpRunning)) [L117] COND TRUE \read(systemActive) [L119] CALL processEnvironment() [L165] int tmp ; [L168] COND FALSE !(\read(pumpRunning)) [L183] CALL processEnvironment__wrappee__lowWaterSensor() [L139] int tmp ; [L142] COND FALSE !(\read(pumpRunning)) [L157] FCALL processEnvironment__wrappee__base() [L183] RET processEnvironment__wrappee__lowWaterSensor() [L119] RET processEnvironment() [L125] CALL __utac_acc__Specification5_spec__3() [L311] int tmp ; [L312] int tmp___0 ; [L316] CALL, EXPR getWaterLevel() [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] return (retValue_acc); [L316] RET, EXPR getWaterLevel() [L316] tmp = getWaterLevel() [L318] COND TRUE tmp != 2 [L320] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L320] RET, EXPR isPumpRunning() [L320] tmp___0 = isPumpRunning() [L322] COND FALSE !(\read(tmp___0)) [L125] RET __utac_acc__Specification5_spec__3() [L398] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 355]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L98] int pumpRunning = 0; [L99] int systemActive = 1; [L291] int switchedOnBeforeTS ; [L410] int cleanupTimeShifts = 4; [L676] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L873] int waterLevel = 1; [L874] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L484] int retValue_acc ; [L485] int tmp ; [L489] FCALL select_helpers() [L490] FCALL select_features() [L491] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L491] RET, EXPR valid_product() [L491] tmp = valid_product() [L493] COND TRUE \read(tmp) [L495] FCALL setup() [L496] CALL runTest() [L477] CALL __utac_acc__Specification5_spec__1() [L296] switchedOnBeforeTS = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] [L477] RET __utac_acc__Specification5_spec__1() [L478] CALL test() [L344] int splverifierCounter ; [L345] int tmp ; [L346] int tmp___0 ; [L347] int tmp___1 ; [L348] int tmp___2 ; [L351] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1] Loop: [L355] COND TRUE splverifierCounter < 4 [L361] tmp = __VERIFIER_nondet_int() [L363] COND FALSE !(\read(tmp)) [L371] tmp___0 = __VERIFIER_nondet_int() [L373] COND FALSE !(\read(tmp___0)) [L381] tmp___2 = __VERIFIER_nondet_int() [L383] COND TRUE \read(tmp___2) [L385] CALL startSystem() [L284] systemActive = 1 [L385] RET startSystem() [L398] CALL timeShift() [L108] CALL __utac_acc__Specification5_spec__2() [L305] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L305] RET, EXPR isPumpRunning() [L305] switchedOnBeforeTS = isPumpRunning() [L108] RET __utac_acc__Specification5_spec__2() [L110] COND FALSE !(\read(pumpRunning)) [L117] COND TRUE \read(systemActive) [L119] CALL processEnvironment() [L165] int tmp ; [L168] COND FALSE !(\read(pumpRunning)) [L183] CALL processEnvironment__wrappee__lowWaterSensor() [L139] int tmp ; [L142] COND FALSE !(\read(pumpRunning)) [L157] FCALL processEnvironment__wrappee__base() [L183] RET processEnvironment__wrappee__lowWaterSensor() [L119] RET processEnvironment() [L125] CALL __utac_acc__Specification5_spec__3() [L311] int tmp ; [L312] int tmp___0 ; [L316] CALL, EXPR getWaterLevel() [L944] int retValue_acc ; [L947] retValue_acc = waterLevel [L948] return (retValue_acc); [L316] RET, EXPR getWaterLevel() [L316] tmp = getWaterLevel() [L318] COND TRUE tmp != 2 [L320] CALL, EXPR isPumpRunning() [L217] int retValue_acc ; [L220] retValue_acc = pumpRunning [L221] return (retValue_acc); [L320] RET, EXPR isPumpRunning() [L320] tmp___0 = isPumpRunning() [L322] COND FALSE !(\read(tmp___0)) [L125] RET __utac_acc__Specification5_spec__3() [L398] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:49:00,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-24 01:49:01,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:49:01,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d05a1b98-1041-4af7-bd1e-af07d4feb17e/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)