./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.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_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/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_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/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_be16fbbf-b892-4b62-af33-8d2abb29c034/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 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:57:01,936 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:57:02,038 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-24 01:57:02,045 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:57:02,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:57:02,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:57:02,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:57:02,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:57:02,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:57:02,110 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:57:02,112 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:57:02,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:57:02,112 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:57:02,112 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-24 01:57:02,112 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-24 01:57:02,112 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-24 01:57:02,112 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-24 01:57:02,113 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-24 01:57:02,114 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-24 01:57:02,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:57:02,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-24 01:57:02,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:57:02,116 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:57:02,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:57:02,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:57:02,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:57:02,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-24 01:57:02,117 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-24 01:57:02,117 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_be16fbbf-b892-4b62-af33-8d2abb29c034/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 -> 5ed8e4dea18b15d78522f05bcbacefb8bf743c0552ef5a7415602905a04fdc4c [2024-11-24 01:57:02,536 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:57:02,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:57:02,547 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:57:02,549 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:57:02,549 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:57:02,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2024-11-24 01:57:05,979 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/data/ab937b329/13702d7342bd443994c13cb140f4a64c/FLAGcbb341871 [2024-11-24 01:57:06,431 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:57:06,435 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/sv-benchmarks/c/product-lines/minepump_spec1_product58.cil.c [2024-11-24 01:57:06,465 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/data/ab937b329/13702d7342bd443994c13cb140f4a64c/FLAGcbb341871 [2024-11-24 01:57:06,489 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/data/ab937b329/13702d7342bd443994c13cb140f4a64c [2024-11-24 01:57:06,492 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:57:06,494 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:57:06,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:57:06,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:57:06,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:57:06,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:57:06" (1/1) ... [2024-11-24 01:57:06,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20fa0683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:06, skipping insertion in model container [2024-11-24 01:57:06,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:57:06" (1/1) ... [2024-11-24 01:57:06,548 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:57:06,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:57:06,988 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:57:06,998 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-24 01:57:07,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] [2024-11-24 01:57:07,000 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] [2024-11-24 01:57:07,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] [2024-11-24 01:57:07,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] [2024-11-24 01:57:07,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] [2024-11-24 01:57:07,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] [2024-11-24 01:57:07,001 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] [2024-11-24 01:57:07,117 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:57:07,151 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:57:07,152 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07 WrapperNode [2024-11-24 01:57:07,152 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:57:07,154 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:57:07,154 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:57:07,154 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:57:07,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,177 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,226 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 99, statements flattened = 676 [2024-11-24 01:57:07,226 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:57:07,227 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:57:07,227 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:57:07,227 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:57:07,239 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,268 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 01:57:07,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,294 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,317 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,319 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:57:07,324 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:57:07,324 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:57:07,324 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:57:07,326 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (1/1) ... [2024-11-24 01:57:07,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-24 01:57:07,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:07,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-24 01:57:07,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-24 01:57:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:57:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:57:07,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:57:07,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:57:07,557 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:57:07,560 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:57:08,277 INFO L? ?]: Removed 166 outVars from TransFormulas that were not future-live. [2024-11-24 01:57:08,278 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:57:08,300 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:57:08,303 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 01:57:08,304 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:08 BoogieIcfgContainer [2024-11-24 01:57:08,304 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:57:08,305 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-24 01:57:08,305 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-24 01:57:08,312 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-24 01:57:08,313 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:57:08,313 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 24.11 01:57:06" (1/3) ... [2024-11-24 01:57:08,314 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b26af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:57:08, skipping insertion in model container [2024-11-24 01:57:08,314 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:57:08,314 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:57:07" (2/3) ... [2024-11-24 01:57:08,315 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76b26af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 24.11 01:57:08, skipping insertion in model container [2024-11-24 01:57:08,315 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-24 01:57:08,315 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:08" (3/3) ... [2024-11-24 01:57:08,317 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2024-11-24 01:57:08,422 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-24 01:57:08,423 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-24 01:57:08,424 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-24 01:57:08,424 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-24 01:57:08,424 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-24 01:57:08,425 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-24 01:57:08,425 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-24 01:57:08,425 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-24 01:57:08,432 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 01:57:08,475 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-11-24 01:57:08,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:57:08,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:57:08,484 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:08,484 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:08,485 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-24 01:57:08,486 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 01:57:08,502 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2024-11-24 01:57:08,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:57:08,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:57:08,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:08,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:08,516 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:57:08,516 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet29#1;test_~tmp___1~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#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__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:57:08,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:08,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2024-11-24 01:57:08,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:08,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458522971] [2024-11-24 01:57:08,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:08,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:08,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:08,666 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:08,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:08,718 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:08,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:08,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1684311184, now seen corresponding path program 1 times [2024-11-24 01:57:08,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:08,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933522567] [2024-11-24 01:57:08,722 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:08,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:08,741 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:08,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:08,766 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:08,766 INFO L85 PathProgramCache]: Analyzing trace with hash -328892108, now seen corresponding path program 1 times [2024-11-24 01:57:08,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:08,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796123604] [2024-11-24 01:57:08,766 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:08,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:08,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:09,134 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:57:09,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796123604] [2024-11-24 01:57:09,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1796123604] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:57:09,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900608719] [2024-11-24 01:57:09,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:09,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:57:09,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:09,146 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:57:09,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:57:09,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:09,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:57:09,263 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:57:09,346 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:57:09,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900608719] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:57:09,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:57:09,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6 [2024-11-24 01:57:09,426 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658376162] [2024-11-24 01:57:09,426 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:57:09,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:57:09,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:57:09,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:57:09,583 INFO L87 Difference]: Start difference. First operand has 188 states, 187 states have (on average 1.358288770053476) internal successors, (254), 187 states have internal predecessors, (254), 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 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 01:57:09,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:09,720 INFO L93 Difference]: Finished difference Result 182 states and 237 transitions. [2024-11-24 01:57:09,721 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 182 states and 237 transitions. [2024-11-24 01:57:09,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2024-11-24 01:57:09,745 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 182 states to 172 states and 227 transitions. [2024-11-24 01:57:09,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 172 [2024-11-24 01:57:09,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 172 [2024-11-24 01:57:09,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 172 states and 227 transitions. [2024-11-24 01:57:09,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:57:09,753 INFO L218 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-11-24 01:57:09,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states and 227 transitions. [2024-11-24 01:57:09,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2024-11-24 01:57:09,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 172 states have (on average 1.319767441860465) internal successors, (227), 171 states have internal predecessors, (227), 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 01:57:09,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 227 transitions. [2024-11-24 01:57:09,810 INFO L240 hiAutomatonCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-11-24 01:57:09,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:57:09,816 INFO L425 stractBuchiCegarLoop]: Abstraction has 172 states and 227 transitions. [2024-11-24 01:57:09,816 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-24 01:57:09,816 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 172 states and 227 transitions. [2024-11-24 01:57:09,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 115 [2024-11-24 01:57:09,821 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:57:09,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:57:09,822 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:09,822 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] [2024-11-24 01:57:09,822 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:57:09,823 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet29#1;test_~tmp___1~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#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__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:57:09,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:09,827 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2024-11-24 01:57:09,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:09,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464322178] [2024-11-24 01:57:09,827 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:09,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:09,849 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:09,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:09,878 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:09,878 INFO L85 PathProgramCache]: Analyzing trace with hash -76148345, now seen corresponding path program 1 times [2024-11-24 01:57:09,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:09,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333661149] [2024-11-24 01:57:09,879 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:09,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:09,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:09,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:57:09,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333661149] [2024-11-24 01:57:09,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333661149] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:57:09,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719098988] [2024-11-24 01:57:09,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:09,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:57:09,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:09,952 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:57:09,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:57:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:10,022 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:57:10,023 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:57:10,042 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:57:10,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719098988] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:57:10,055 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:57:10,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2024-11-24 01:57:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146224722] [2024-11-24 01:57:10,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:57:10,057 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 01:57:10,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:57:10,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:57:10,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:57:10,059 INFO L87 Difference]: Start difference. First operand 172 states and 227 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 01:57:10,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:10,170 INFO L93 Difference]: Finished difference Result 232 states and 294 transitions. [2024-11-24 01:57:10,170 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 294 transitions. [2024-11-24 01:57:10,173 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-11-24 01:57:10,176 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 232 states and 294 transitions. [2024-11-24 01:57:10,176 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 232 [2024-11-24 01:57:10,177 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 232 [2024-11-24 01:57:10,177 INFO L73 IsDeterministic]: Start isDeterministic. Operand 232 states and 294 transitions. [2024-11-24 01:57:10,178 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:57:10,178 INFO L218 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-11-24 01:57:10,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states and 294 transitions. [2024-11-24 01:57:10,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2024-11-24 01:57:10,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 232 states, 232 states have (on average 1.2672413793103448) internal successors, (294), 231 states have internal predecessors, (294), 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 01:57:10,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 294 transitions. [2024-11-24 01:57:10,190 INFO L240 hiAutomatonCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-11-24 01:57:10,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:57:10,192 INFO L425 stractBuchiCegarLoop]: Abstraction has 232 states and 294 transitions. [2024-11-24 01:57:10,192 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-24 01:57:10,192 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 232 states and 294 transitions. [2024-11-24 01:57:10,194 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 160 [2024-11-24 01:57:10,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:57:10,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:57:10,195 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:10,195 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:10,196 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:57:10,196 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet29#1;test_~tmp___1~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret22#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret22#1;havoc isHighWaterLevel_#t~ret22#1;" "assume !(0 != isHighWaterLevel_~tmp~4#1);isHighWaterLevel_~tmp___0~0#1 := 1;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret10#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#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__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:57:10,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:10,197 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2024-11-24 01:57:10,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:10,197 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411738762] [2024-11-24 01:57:10,197 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:10,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:10,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:10,209 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:10,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:10,218 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:10,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:10,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1126258499, now seen corresponding path program 1 times [2024-11-24 01:57:10,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:10,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611295482] [2024-11-24 01:57:10,219 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:10,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:10,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:10,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace [2024-11-24 01:57:10,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611295482] [2024-11-24 01:57:10,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611295482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:57:10,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [186676205] [2024-11-24 01:57:10,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:10,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:57:10,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:57:10,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:57:10,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-24 01:57:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:57:10,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:57:10,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:57:10,496 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:57:10,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [186676205] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:57:10,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 01:57:10,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 7 [2024-11-24 01:57:10,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [112788476] [2024-11-24 01:57:10,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 01:57:10,539 INFO L764 eck$LassoCheckResult]: loop already infeasible [2024-11-24 01:57:10,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2024-11-24 01:57:10,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:57:10,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:57:10,540 INFO L87 Difference]: Start difference. First operand 232 states and 294 transitions. cyclomatic complexity: 64 Second operand has 7 states, 7 states have (on average 4.714285714285714) internal successors, (33), 7 states have internal predecessors, (33), 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 01:57:10,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:57:10,947 INFO L93 Difference]: Finished difference Result 262 states and 324 transitions. [2024-11-24 01:57:10,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 262 states and 324 transitions. [2024-11-24 01:57:10,951 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-11-24 01:57:10,953 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 262 states to 262 states and 324 transitions. [2024-11-24 01:57:10,954 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 262 [2024-11-24 01:57:10,954 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 262 [2024-11-24 01:57:10,954 INFO L73 IsDeterministic]: Start isDeterministic. Operand 262 states and 324 transitions. [2024-11-24 01:57:10,956 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-24 01:57:10,956 INFO L218 hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-11-24 01:57:10,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states and 324 transitions. [2024-11-24 01:57:10,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262. [2024-11-24 01:57:10,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 262 states, 262 states have (on average 1.2366412213740459) internal successors, (324), 261 states have internal predecessors, (324), 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 01:57:10,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 324 transitions. [2024-11-24 01:57:10,968 INFO L240 hiAutomatonCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-11-24 01:57:10,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:57:10,969 INFO L425 stractBuchiCegarLoop]: Abstraction has 262 states and 324 transitions. [2024-11-24 01:57:10,969 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-24 01:57:10,970 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 262 states and 324 transitions. [2024-11-24 01:57:10,972 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 180 [2024-11-24 01:57:10,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-24 01:57:10,972 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-24 01:57:10,973 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:10,973 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:57:10,973 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;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret9#1, main_~retValue_acc~4#1, main_~tmp~0#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1;" "main_#t~ret9#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1;" "assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_#t~nondet29#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~3#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~3#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;" [2024-11-24 01:57:10,974 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet26#1;test_~tmp~7#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp~7#1);" "havoc test_#t~nondet27#1;test_~tmp___0~3#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume !(0 != test_~tmp___0~3#1);" "havoc test_#t~nondet28#1;test_~tmp___2~0#1 := test_#t~nondet28#1;havoc test_#t~nondet28#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet29#1;test_~tmp___1~0#1 := test_#t~nondet29#1;havoc test_#t~nondet29#1;" "assume 0 != test_~tmp___1~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~7#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret22#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret22#1;havoc isHighWaterLevel_#t~ret22#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~7#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~7#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret10#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret22#1, isHighWaterLevel_~retValue_acc~7#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret10#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret10#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret11#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#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__Specification1_spec__1_#t~ret24#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret24#1;havoc __utac_acc__Specification1_spec__1_#t~ret24#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_#t~ret25#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;" [2024-11-24 01:57:10,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:10,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 4 times [2024-11-24 01:57:10,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:10,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149838789] [2024-11-24 01:57:10,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:10,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:10,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:10,984 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:11,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:11,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:11,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1384423937, now seen corresponding path program 1 times [2024-11-24 01:57:11,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:11,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577080797] [2024-11-24 01:57:11,009 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:11,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:11,029 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:11,044 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:11,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:57:11,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1009136197, now seen corresponding path program 1 times [2024-11-24 01:57:11,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-24 01:57:11,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382177977] [2024-11-24 01:57:11,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:57:11,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:57:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:11,072 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:11,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:11,087 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-24 01:57:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:12,624 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:57:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:57:12,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 24.11 01:57:12 BoogieIcfgContainer [2024-11-24 01:57:12,729 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-24 01:57:12,730 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:57:12,730 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:57:12,733 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:57:12,734 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:57:08" (3/4) ... [2024-11-24 01:57:12,736 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-24 01:57:12,818 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 01:57:12,818 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:57:12,822 INFO L158 Benchmark]: Toolchain (without parser) took 6325.08ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.6MB in the beginning and 307.8MB in the end (delta: -189.2MB). Peak memory consumption was 92.4MB. Max. memory is 16.1GB. [2024-11-24 01:57:12,822 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:57:12,823 INFO L158 Benchmark]: CACSL2BoogieTranslator took 656.81ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 100.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:57:12,823 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.86ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:57:12,823 INFO L158 Benchmark]: Boogie Preprocessor took 96.29ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:57:12,824 INFO L158 Benchmark]: RCFGBuilder took 980.01ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 65.0MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 01:57:12,824 INFO L158 Benchmark]: BuchiAutomizer took 4424.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.0MB in the beginning and 310.9MB in the end (delta: -245.9MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. [2024-11-24 01:57:12,825 INFO L158 Benchmark]: Witness Printer took 87.76ms. Allocated memory is still 427.8MB. Free memory was 310.9MB in the beginning and 307.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:57:12,828 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 656.81ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 100.0MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.86ms. Allocated memory is still 142.6MB. Free memory was 99.7MB in the beginning and 96.6MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 96.29ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.5MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 980.01ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 65.0MB in the end (delta: 28.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4424.46ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 65.0MB in the beginning and 310.9MB in the end (delta: -245.9MB). Peak memory consumption was 42.1MB. Max. memory is 16.1GB. * Witness Printer took 87.76ms. Allocated memory is still 427.8MB. Free memory was 310.9MB in the beginning and 307.8MB 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [58] - GenericResultAtLocation [Line: 169]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [169] - GenericResultAtLocation [Line: 271]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [271] - GenericResultAtLocation [Line: 499]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [499] - GenericResultAtLocation [Line: 525]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [525] - GenericResultAtLocation [Line: 592]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [592] - GenericResultAtLocation [Line: 627]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [627] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 262 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.4s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 3 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, 835 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 835 mSDsluCounter, 2155 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1500 mSDsCounter, 62 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 317 IncrementalHoareTripleChecker+Invalid, 379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 62 mSolverCounterUnsat, 655 mSDtfsCounter, 317 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 538]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L797] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L619] int retValue_acc ; [L622] retValue_acc = 1 [L623] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L527] int splverifierCounter ; [L528] int tmp ; [L529] int tmp___0 ; [L530] int tmp___1 ; [L531] int tmp___2 ; [L534] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L538] COND TRUE splverifierCounter < 4 [L544] tmp = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp)) [L554] tmp___0 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___0)) [L564] tmp___2 = __VERIFIER_nondet_int() [L566] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) [L581] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] CALL processEnvironment() [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L357] CALL processEnvironment__wrappee__highWaterSensor() [L313] int tmp ; [L316] COND TRUE ! pumpRunning [L318] CALL, EXPR isHighWaterLevel() [L454] int retValue_acc ; [L455] int tmp ; [L456] int tmp___0 ; [L460] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L460] RET, EXPR isHighWaterSensorDry() [L460] tmp = isHighWaterSensorDry() [L462] COND TRUE \read(tmp) [L463] tmp___0 = 0 [L467] retValue_acc = tmp___0 [L468] return (retValue_acc); [L318] RET, EXPR isHighWaterLevel() [L318] tmp = isHighWaterLevel() [L320] COND FALSE !(\read(tmp)) [L326] FCALL processEnvironment__wrappee__base() [L357] RET processEnvironment__wrappee__highWaterSensor() [L293] RET processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L501] int tmp ; [L502] int tmp___0 ; [L506] CALL, EXPR isMethaneLevelCritical() [L106] int retValue_acc ; [L109] retValue_acc = methaneLevelCritical [L110] return (retValue_acc); [L506] RET, EXPR isMethaneLevelCritical() [L506] tmp = isMethaneLevelCritical() [L508] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L581] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 538]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L67] int waterLevel = 1; [L68] int methaneLevelCritical = 0; [L170] int cleanupTimeShifts = 4; [L276] int pumpRunning = 0; [L277] int systemActive = 1; [L797] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L249] int retValue_acc ; [L250] int tmp ; [L254] FCALL select_helpers() [L255] FCALL select_features() [L256] CALL, EXPR valid_product() [L619] int retValue_acc ; [L622] retValue_acc = 1 [L623] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L256] RET, EXPR valid_product() [L256] tmp = valid_product() [L258] COND TRUE \read(tmp) [L260] FCALL setup() [L261] CALL runTest() [L240] CALL test() [L527] int splverifierCounter ; [L528] int tmp ; [L529] int tmp___0 ; [L530] int tmp___1 ; [L531] int tmp___2 ; [L534] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L538] COND TRUE splverifierCounter < 4 [L544] tmp = __VERIFIER_nondet_int() [L546] COND FALSE !(\read(tmp)) [L554] tmp___0 = __VERIFIER_nondet_int() [L556] COND FALSE !(\read(tmp___0)) [L564] tmp___2 = __VERIFIER_nondet_int() [L566] COND FALSE !(\read(tmp___2)) [L572] tmp___1 = __VERIFIER_nondet_int() [L574] COND TRUE \read(tmp___1) [L581] CALL timeShift() [L284] COND FALSE !(\read(pumpRunning)) [L291] COND TRUE \read(systemActive) [L293] CALL processEnvironment() [L339] int tmp ; [L342] COND FALSE !(\read(pumpRunning)) [L357] CALL processEnvironment__wrappee__highWaterSensor() [L313] int tmp ; [L316] COND TRUE ! pumpRunning [L318] CALL, EXPR isHighWaterLevel() [L454] int retValue_acc ; [L455] int tmp ; [L456] int tmp___0 ; [L460] CALL, EXPR isHighWaterSensorDry() [L147] int retValue_acc ; [L150] COND TRUE waterLevel < 2 [L151] retValue_acc = 1 [L152] return (retValue_acc); [L460] RET, EXPR isHighWaterSensorDry() [L460] tmp = isHighWaterSensorDry() [L462] COND TRUE \read(tmp) [L463] tmp___0 = 0 [L467] retValue_acc = tmp___0 [L468] return (retValue_acc); [L318] RET, EXPR isHighWaterLevel() [L318] tmp = isHighWaterLevel() [L320] COND FALSE !(\read(tmp)) [L326] FCALL processEnvironment__wrappee__base() [L357] RET processEnvironment__wrappee__highWaterSensor() [L293] RET processEnvironment() [L299] CALL __utac_acc__Specification1_spec__1() [L501] int tmp ; [L502] int tmp___0 ; [L506] CALL, EXPR isMethaneLevelCritical() [L106] int retValue_acc ; [L109] retValue_acc = methaneLevelCritical [L110] return (retValue_acc); [L506] RET, EXPR isMethaneLevelCritical() [L506] tmp = isMethaneLevelCritical() [L508] COND FALSE !(\read(tmp)) [L299] RET __utac_acc__Specification1_spec__1() [L581] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 01:57:12,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-24 01:57:13,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:57:13,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:57:13,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be16fbbf-b892-4b62-af33-8d2abb29c034/bin/uautomizer-verify-LYvppIcaGC/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)