./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.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_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:45:09,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:45:09,288 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-28 03:45:09,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:45:09,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:45:09,334 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:45:09,336 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:45:09,336 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:45:09,336 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:45:09,337 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:45:09,338 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:45:09,338 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:45:09,339 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:45:09,339 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-28 03:45:09,339 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-28 03:45:09,339 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-28 03:45:09,339 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-28 03:45:09,340 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:45:09,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:45:09,341 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-28 03:45:09,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:45:09,342 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:45:09,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:45:09,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:45:09,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:45:09,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-28 03:45:09,343 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-28 03:45:09,343 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_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e0a38d188f2630eb8c92d710d8937425c14dd1581e9216671e138a935f7e01f2 [2024-11-28 03:45:09,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:45:09,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:45:09,717 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:45:09,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:45:09,719 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:45:09,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2024-11-28 03:45:12,671 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/data/17c3da095/1653ccbd14444d0cb6913e56a7d7af6a/FLAGf5f4cc685 [2024-11-28 03:45:13,053 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:45:13,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/sv-benchmarks/c/product-lines/minepump_spec3_product23.cil.c [2024-11-28 03:45:13,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/data/17c3da095/1653ccbd14444d0cb6913e56a7d7af6a/FLAGf5f4cc685 [2024-11-28 03:45:13,098 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/data/17c3da095/1653ccbd14444d0cb6913e56a7d7af6a [2024-11-28 03:45:13,101 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:45:13,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:45:13,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:45:13,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:45:13,110 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:45:13,111 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,112 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2493c6e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13, skipping insertion in model container [2024-11-28 03:45:13,112 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:45:13,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:45:13,515 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:45:13,523 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-28 03:45:13,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [145] [2024-11-28 03:45:13,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [181] [2024-11-28 03:45:13,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [379] [2024-11-28 03:45:13,525 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [447] [2024-11-28 03:45:13,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [546] [2024-11-28 03:45:13,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] [2024-11-28 03:45:13,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921] [2024-11-28 03:45:13,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:45:13,663 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:45:13,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13 WrapperNode [2024-11-28 03:45:13,666 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:45:13,667 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:45:13,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:45:13,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:45:13,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,691 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,742 INFO L138 Inliner]: procedures = 54, calls = 101, calls flagged for inlining = 54, calls inlined = 85, statements flattened = 545 [2024-11-28 03:45:13,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:45:13,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:45:13,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:45:13,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:45:13,752 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,752 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,755 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,769 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:45:13,769 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,769 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,777 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,778 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,784 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:45:13,791 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:45:13,791 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:45:13,791 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:45:13,792 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (1/1) ... [2024-11-28 03:45:13,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-28 03:45:13,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:13,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-28 03:45:13,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-28 03:45:13,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:45:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:45:13,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:45:13,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:45:13,961 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:45:13,963 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:45:14,558 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-28 03:45:14,559 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:45:14,575 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:45:14,577 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 03:45:14,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:14 BoogieIcfgContainer [2024-11-28 03:45:14,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:45:14,579 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-28 03:45:14,579 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-28 03:45:14,585 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-28 03:45:14,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:45:14,586 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:45:13" (1/3) ... [2024-11-28 03:45:14,588 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b0b844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:45:14, skipping insertion in model container [2024-11-28 03:45:14,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:45:14,588 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:45:13" (2/3) ... [2024-11-28 03:45:14,589 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b0b844 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:45:14, skipping insertion in model container [2024-11-28 03:45:14,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-28 03:45:14,591 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:14" (3/3) ... [2024-11-28 03:45:14,592 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product23.cil.c [2024-11-28 03:45:14,660 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-28 03:45:14,661 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-28 03:45:14,661 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-28 03:45:14,661 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-28 03:45:14,661 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-28 03:45:14,662 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-28 03:45:14,662 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-28 03:45:14,662 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-28 03:45:14,669 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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) [2024-11-28 03:45:14,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-28 03:45:14,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:45:14,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:45:14,707 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:14,707 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:14,708 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-28 03:45:14,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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) [2024-11-28 03:45:14,720 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 104 [2024-11-28 03:45:14,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:45:14,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:45:14,720 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:14,720 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:14,725 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#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_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:45:14,725 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#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__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:45:14,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:14,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-28 03:45:14,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:14,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301705407] [2024-11-28 03:45:14,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:14,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:14,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:14,874 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:14,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:14,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1258629384, now seen corresponding path program 1 times [2024-11-28 03:45:14,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:14,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306647923] [2024-11-28 03:45:14,877 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:14,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:14,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:14,891 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:14,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:14,905 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:14,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:14,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1302352580, now seen corresponding path program 1 times [2024-11-28 03:45:14,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:14,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353033412] [2024-11-28 03:45:14,909 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:14,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:15,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:45:15,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353033412] [2024-11-28 03:45:15,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353033412] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:15,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316638120] [2024-11-28 03:45:15,220 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:15,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:45:15,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:15,225 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:45:15,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:45:15,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:15,327 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 03:45:15,330 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:15,418 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:15,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316638120] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:45:15,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:45:15,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-28 03:45:15,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333666677] [2024-11-28 03:45:15,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:15,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:45:15,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 03:45:15,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:45:15,633 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.35) internal successors, (216), 160 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 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:45:15,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:15,825 INFO L93 Difference]: Finished difference Result 371 states and 482 transitions. [2024-11-28 03:45:15,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 371 states and 482 transitions. [2024-11-28 03:45:15,835 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 237 [2024-11-28 03:45:15,843 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 371 states to 341 states and 452 transitions. [2024-11-28 03:45:15,844 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 341 [2024-11-28 03:45:15,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 341 [2024-11-28 03:45:15,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 341 states and 452 transitions. [2024-11-28 03:45:15,848 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:45:15,848 INFO L218 hiAutomatonCegarLoop]: Abstraction has 341 states and 452 transitions. [2024-11-28 03:45:15,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states and 452 transitions. [2024-11-28 03:45:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 201. [2024-11-28 03:45:15,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 201 states have (on average 1.328358208955224) internal successors, (267), 200 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:45:15,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 267 transitions. [2024-11-28 03:45:15,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 201 states and 267 transitions. [2024-11-28 03:45:15,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:45:15,888 INFO L425 stractBuchiCegarLoop]: Abstraction has 201 states and 267 transitions. [2024-11-28 03:45:15,888 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-28 03:45:15,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 201 states and 267 transitions. [2024-11-28 03:45:15,891 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 140 [2024-11-28 03:45:15,891 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:45:15,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:45:15,895 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:15,895 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:15,895 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#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_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:45:15,895 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#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~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1;" "assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1;" "havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:45:15,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:15,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-28 03:45:15,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:15,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969388544] [2024-11-28 03:45:15,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:15,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:15,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:15,906 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:15,915 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:15,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:15,916 INFO L85 PathProgramCache]: Analyzing trace with hash 1975144039, now seen corresponding path program 1 times [2024-11-28 03:45:15,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:15,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604625333] [2024-11-28 03:45:15,916 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:15,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:15,922 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:15,929 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:15,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:15,929 INFO L85 PathProgramCache]: Analyzing trace with hash 327146027, now seen corresponding path program 1 times [2024-11-28 03:45:15,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:15,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265290542] [2024-11-28 03:45:15,930 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:15,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:16,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-28 03:45:16,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265290542] [2024-11-28 03:45:16,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265290542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:45:16,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059393725] [2024-11-28 03:45:16,051 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:16,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:45:16,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:45:16,058 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:45:16,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:45:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:45:16,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-28 03:45:16,150 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:45:16,223 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 03:45:16,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059393725] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 03:45:16,323 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-28 03:45:16,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-11-28 03:45:16,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946451424] [2024-11-28 03:45:16,323 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-28 03:45:16,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-28 03:45:16,390 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:45:16,390 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:45:16,390 INFO L87 Difference]: Start difference. First operand 201 states and 267 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:45:16,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:45:16,524 INFO L93 Difference]: Finished difference Result 395 states and 519 transitions. [2024-11-28 03:45:16,524 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 395 states and 519 transitions. [2024-11-28 03:45:16,532 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 280 [2024-11-28 03:45:16,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 395 states to 395 states and 519 transitions. [2024-11-28 03:45:16,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 395 [2024-11-28 03:45:16,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 395 [2024-11-28 03:45:16,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 519 transitions. [2024-11-28 03:45:16,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-28 03:45:16,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 395 states and 519 transitions. [2024-11-28 03:45:16,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 519 transitions. [2024-11-28 03:45:16,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2024-11-28 03:45:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 395 states have (on average 1.3139240506329113) internal successors, (519), 394 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 03:45:16,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 519 transitions. [2024-11-28 03:45:16,560 INFO L240 hiAutomatonCegarLoop]: Abstraction has 395 states and 519 transitions. [2024-11-28 03:45:16,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:45:16,561 INFO L425 stractBuchiCegarLoop]: Abstraction has 395 states and 519 transitions. [2024-11-28 03:45:16,561 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-28 03:45:16,561 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 395 states and 519 transitions. [2024-11-28 03:45:16,563 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 280 [2024-11-28 03:45:16,563 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-28 03:45:16,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-28 03:45:16,564 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:16,564 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:45:16,564 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;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~6#1, main_~tmp~5#1;havoc main_~retValue_acc~6#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret28#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret28#1;havoc main_#t~ret28#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_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-28 03:45:16,565 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet24#1;test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1;" "assume !(0 != test_~tmp~4#1);" "havoc test_#t~nondet25#1;test_~tmp___0~2#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet26#1;test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#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~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__lowWaterSensor_#t~ret12#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1;" "__utac_acc__Specification3_spec__1_#t~ret9#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret9#1;havoc __utac_acc__Specification3_spec__1_#t~ret9#1;" "assume !(0 != __utac_acc__Specification3_spec__1_~tmp~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__Specification3_spec__1_#t~ret10#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret10#1;havoc __utac_acc__Specification3_spec__1_#t~ret10#1;" "assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1);" "havoc __utac_acc__Specification3_spec__1_#t~ret9#1, __utac_acc__Specification3_spec__1_#t~ret10#1, __utac_acc__Specification3_spec__1_#t~ret11#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :end_inline___utac_acc__Specification3_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-28 03:45:16,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:16,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-28 03:45:16,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:16,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853292982] [2024-11-28 03:45:16,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:16,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:16,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,574 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:16,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,588 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:16,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:16,592 INFO L85 PathProgramCache]: Analyzing trace with hash -260929636, now seen corresponding path program 1 times [2024-11-28 03:45:16,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:16,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305103522] [2024-11-28 03:45:16,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:16,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,599 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:16,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:16,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:45:16,605 INFO L85 PathProgramCache]: Analyzing trace with hash 855913056, now seen corresponding path program 1 times [2024-11-28 03:45:16,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-28 03:45:16,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1289362383] [2024-11-28 03:45:16,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:45:16,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:45:16,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,617 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:16,628 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-28 03:45:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:17,843 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:45:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:45:17,920 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:45:17 BoogieIcfgContainer [2024-11-28 03:45:17,920 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-28 03:45:17,921 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:45:17,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:45:17,921 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:45:17,922 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:45:14" (3/4) ... [2024-11-28 03:45:17,923 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-28 03:45:17,983 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 03:45:17,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:45:17,984 INFO L158 Benchmark]: Toolchain (without parser) took 4881.71ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.7MB in the beginning and 327.9MB in the end (delta: -209.2MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2024-11-28 03:45:17,985 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 142.6MB. Free memory is still 80.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:45:17,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 562.29ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 100.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:45:17,985 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.74ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:45:17,985 INFO L158 Benchmark]: Boogie Preprocessor took 46.92ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:45:17,986 INFO L158 Benchmark]: RCFGBuilder took 786.98ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 70.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 03:45:17,986 INFO L158 Benchmark]: BuchiAutomizer took 3341.13ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 69.7MB in the beginning and 330.6MB in the end (delta: -260.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2024-11-28 03:45:17,986 INFO L158 Benchmark]: Witness Printer took 62.59ms. Allocated memory is still 427.8MB. Free memory was 330.6MB in the beginning and 327.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:45:17,989 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 80.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 562.29ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 100.4MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.74ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 46.92ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 94.7MB in the end (delta: 2.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 786.98ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 70.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3341.13ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 69.7MB in the beginning and 330.6MB in the end (delta: -260.9MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Witness Printer took 62.59ms. Allocated memory is still 427.8MB. Free memory was 330.6MB in the beginning and 327.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [145] - GenericResultAtLocation [Line: 181]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [181] - GenericResultAtLocation [Line: 379]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [379] - GenericResultAtLocation [Line: 447]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [447] - GenericResultAtLocation [Line: 546]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [546] - GenericResultAtLocation [Line: 555]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [555] - GenericResultAtLocation [Line: 921]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [921] * 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 395 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 140 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 539 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 539 mSDsluCounter, 1865 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1478 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 387 mSDtfsCounter, 107 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: 393]: 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; [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L448] int cleanupTimeShifts = 4; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; [L529] FCALL select_helpers() [L530] FCALL select_features() [L531] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] RET, EXPR valid_product() [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L535] FCALL setup() [L536] CALL runTest() [L515] CALL test() [L382] int splverifierCounter ; [L383] int tmp ; [L384] int tmp___0 ; [L385] int tmp___1 ; [L386] int tmp___2 ; [L389] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L393] COND TRUE splverifierCounter < 4 [L399] tmp = __VERIFIER_nondet_int() [L401] COND FALSE !(\read(tmp)) [L409] tmp___0 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___0)) [L419] tmp___2 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___2) [L436] CALL timeShift() [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L203] CALL processEnvironment() [L249] int tmp ; [L252] COND FALSE !(\read(pumpRunning)) [L267] CALL processEnvironment__wrappee__lowWaterSensor() [L223] int tmp ; [L226] COND FALSE !(\read(pumpRunning)) [L241] FCALL processEnvironment__wrappee__base() [L267] RET processEnvironment__wrappee__lowWaterSensor() [L203] RET processEnvironment() [L209] CALL __utac_acc__Specification3_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L155] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L155] RET, EXPR isMethaneLevelCritical() [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L161] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L161] RET, EXPR getWaterLevel() [L161] tmp___0 = getWaterLevel() [L163] COND FALSE !(tmp___0 == 2) [L209] RET __utac_acc__Specification3_spec__1() [L436] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 393]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L187] int pumpRunning = 0; [L188] int systemActive = 1; [L448] int cleanupTimeShifts = 4; [L725] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; [L529] FCALL select_helpers() [L530] FCALL select_features() [L531] CALL, EXPR valid_product() [L948] int retValue_acc ; [L951] retValue_acc = 1 [L952] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] RET, EXPR valid_product() [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L535] FCALL setup() [L536] CALL runTest() [L515] CALL test() [L382] int splverifierCounter ; [L383] int tmp ; [L384] int tmp___0 ; [L385] int tmp___1 ; [L386] int tmp___2 ; [L389] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L393] COND TRUE splverifierCounter < 4 [L399] tmp = __VERIFIER_nondet_int() [L401] COND FALSE !(\read(tmp)) [L409] tmp___0 = __VERIFIER_nondet_int() [L411] COND FALSE !(\read(tmp___0)) [L419] tmp___2 = __VERIFIER_nondet_int() [L421] COND TRUE \read(tmp___2) [L436] CALL timeShift() [L194] COND FALSE !(\read(pumpRunning)) [L201] COND TRUE \read(systemActive) [L203] CALL processEnvironment() [L249] int tmp ; [L252] COND FALSE !(\read(pumpRunning)) [L267] CALL processEnvironment__wrappee__lowWaterSensor() [L223] int tmp ; [L226] COND FALSE !(\read(pumpRunning)) [L241] FCALL processEnvironment__wrappee__base() [L267] RET processEnvironment__wrappee__lowWaterSensor() [L203] RET processEnvironment() [L209] CALL __utac_acc__Specification3_spec__1() [L149] int tmp ; [L150] int tmp___0 ; [L151] int tmp___1 ; [L155] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L155] RET, EXPR isMethaneLevelCritical() [L155] tmp = isMethaneLevelCritical() [L157] COND FALSE !(\read(tmp)) [L161] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L161] RET, EXPR getWaterLevel() [L161] tmp___0 = getWaterLevel() [L163] COND FALSE !(tmp___0 == 2) [L209] RET __utac_acc__Specification3_spec__1() [L436] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-28 03:45:18,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 03:45:18,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:45:18,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_efc31681-e86e-4912-84b6-5984c54ae28b/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)