./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd --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 ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 13:14:09,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 13:14:09,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-11-13 13:14:09,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 13:14:09,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 13:14:09,225 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 13:14:09,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 13:14:09,226 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 13:14:09,230 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 13:14:09,231 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 13:14:09,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 13:14:09,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 13:14:09,231 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 13:14:09,231 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 13:14:09,231 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 13:14:09,231 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 13:14:09,232 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 13:14:09,232 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 13:14:09,233 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 13:14:09,236 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 13:14:09,236 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 13:14:09,236 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 13:14:09,236 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 13:14:09,237 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 13:14:09,237 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_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd 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 -> ca9ad45e9cd0fa7cfc478092837003ff1c91f26680d4fb1c37c440560090c9e6 [2024-11-13 13:14:09,579 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 13:14:09,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 13:14:09,592 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 13:14:09,594 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 13:14:09,594 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 13:14:09,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c Unable to find full path for "g++" [2024-11-13 13:14:11,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 13:14:11,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 13:14:11,805 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/sv-benchmarks/c/product-lines/minepump_spec2_product38.cil.c [2024-11-13 13:14:11,820 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/data/3fbb80bcb/07d125b849444044b815e273230ce23c/FLAGbd780d6f7 [2024-11-13 13:14:11,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/data/3fbb80bcb/07d125b849444044b815e273230ce23c [2024-11-13 13:14:11,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 13:14:11,849 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 13:14:11,850 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 13:14:11,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 13:14:11,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 13:14:11,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:14:11" (1/1) ... [2024-11-13 13:14:11,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3836e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:11, skipping insertion in model container [2024-11-13 13:14:11,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 01:14:11" (1/1) ... [2024-11-13 13:14:11,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 13:14:12,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:12,266 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 13:14:12,277 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-13 13:14:12,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [58] [2024-11-13 13:14:12,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] [2024-11-13 13:14:12,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] [2024-11-13 13:14:12,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] [2024-11-13 13:14:12,279 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] [2024-11-13 13:14:12,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] [2024-11-13 13:14:12,280 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] [2024-11-13 13:14:12,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 13:14:12,422 INFO L204 MainTranslator]: Completed translation [2024-11-13 13:14:12,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12 WrapperNode [2024-11-13 13:14:12,424 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 13:14:12,425 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:12,426 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 13:14:12,426 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 13:14:12,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,518 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 53, calls inlined = 82, statements flattened = 548 [2024-11-13 13:14:12,518 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 13:14:12,519 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 13:14:12,519 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 13:14:12,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 13:14:12,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,538 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,572 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]. [2024-11-13 13:14:12,575 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,576 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,593 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,600 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 13:14:12,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 13:14:12,611 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 13:14:12,611 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 13:14:12,612 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (1/1) ... [2024-11-13 13:14:12,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 13:14:12,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 13:14:12,659 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 13:14:12,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 13:14:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 13:14:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-13 13:14:12,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 13:14:12,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 13:14:12,789 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 13:14:12,791 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 13:14:13,468 INFO L? ?]: Removed 121 outVars from TransFormulas that were not future-live. [2024-11-13 13:14:13,469 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 13:14:13,485 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 13:14:13,485 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 13:14:13,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:13 BoogieIcfgContainer [2024-11-13 13:14:13,486 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 13:14:13,487 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 13:14:13,487 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 13:14:13,492 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 13:14:13,493 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:14:13,493 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 01:14:11" (1/3) ... [2024-11-13 13:14:13,495 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd126e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:14:13, skipping insertion in model container [2024-11-13 13:14:13,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:14:13,495 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 01:14:12" (2/3) ... [2024-11-13 13:14:13,495 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5cd126e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 01:14:13, skipping insertion in model container [2024-11-13 13:14:13,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 13:14:13,496 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:13" (3/3) ... [2024-11-13 13:14:13,497 INFO L333 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product38.cil.c [2024-11-13 13:14:13,560 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 13:14:13,560 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 13:14:13,560 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 13:14:13,560 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 13:14:13,561 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 13:14:13,561 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 13:14:13,561 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 13:14:13,561 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 13:14:13,568 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.3742331288343559) internal successors, (224), 163 states have internal predecessors, (224), 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) [2024-11-13 13:14:13,595 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-13 13:14:13,596 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:14:13,596 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:14:13,604 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:13,604 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:13,604 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 13:14:13,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.3742331288343559) internal successors, (224), 163 states have internal predecessors, (224), 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) [2024-11-13 13:14:13,617 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 105 [2024-11-13 13:14:13,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:14:13,618 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:14:13,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:13,619 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:13,626 INFO L745 eck$LassoCheckResult]: Stem: 35#$Ultimate##0true 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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 50#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 31#select_helpers_returnLabel#1true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 129#select_features_returnLabel#1true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 103#valid_product_returnLabel#1true main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 113#L485true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 86#setup_returnLabel#1true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 128#__utac_acc__Specification2_spec__1_returnLabel#1true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 138#L345-2true [2024-11-13 13:14:13,627 INFO L747 eck$LassoCheckResult]: Loop: 138#L345-2true assume !false; 58#L346true assume test_~splverifierCounter~0#1 < 4; 139#L347true havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 39#L355true assume !(0 != test_~tmp~4#1); 98#L355-2true havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 68#L365true assume !(0 != test_~tmp___0~2#1); 158#L365-2true havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 20#L375true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 69#startSystem_returnLabel#1true assume { :end_inline_startSystem } true; 28#L383-2true assume { :begin_inline_timeShift } true; 14#L153true assume !(0 != ~pumpRunning~0); 150#L153-2true assume !(0 != ~systemActive~0); 37#L160-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 84#isMethaneLevelCritical_returnLabel#2true __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 27#L78true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 108#L78-1true havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 76#timeShift_returnLabel#1true assume { :end_inline_timeShift } true; 138#L345-2true [2024-11-13 13:14:13,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:13,638 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2024-11-13 13:14:13,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:13,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016749198] [2024-11-13 13:14:13,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:13,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:13,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:13,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:13,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:13,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:13,828 INFO L85 PathProgramCache]: Analyzing trace with hash -803712822, now seen corresponding path program 1 times [2024-11-13 13:14:13,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:13,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115022995] [2024-11-13 13:14:13,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:13,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:13,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:13,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115022995] [2024-11-13 13:14:13,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115022995] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:13,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:13,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046441830] [2024-11-13 13:14:13,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:13,987 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:14:13,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:14,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:14,029 INFO L87 Difference]: Start difference. First operand has 164 states, 163 states have (on average 1.3742331288343559) internal successors, (224), 163 states have internal predecessors, (224), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2024-11-13 13:14:14,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:14,098 INFO L93 Difference]: Finished difference Result 158 states and 208 transitions. [2024-11-13 13:14:14,099 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 208 transitions. [2024-11-13 13:14:14,108 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-13 13:14:14,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 148 states and 197 transitions. [2024-11-13 13:14:14,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2024-11-13 13:14:14,124 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2024-11-13 13:14:14,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 197 transitions. [2024-11-13 13:14:14,126 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:14:14,127 INFO L218 hiAutomatonCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-13 13:14:14,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 197 transitions. [2024-11-13 13:14:14,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2024-11-13 13:14:14,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.3310810810810811) internal successors, (197), 147 states have internal predecessors, (197), 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) [2024-11-13 13:14:14,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 197 transitions. [2024-11-13 13:14:14,214 INFO L240 hiAutomatonCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-13 13:14:14,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:14,222 INFO L424 stractBuchiCegarLoop]: Abstraction has 148 states and 197 transitions. [2024-11-13 13:14:14,222 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 13:14:14,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 197 transitions. [2024-11-13 13:14:14,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2024-11-13 13:14:14,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:14:14,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:14:14,229 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,229 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,230 INFO L745 eck$LassoCheckResult]: Stem: 386#$Ultimate##0 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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 387#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 380#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 381#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 452#valid_product_returnLabel#1 main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 453#L485 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 440#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 441#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 435#L345-2 [2024-11-13 13:14:14,230 INFO L747 eck$LassoCheckResult]: Loop: 435#L345-2 assume !false; 421#L346 assume test_~splverifierCounter~0#1 < 4; 422#L347 havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 394#L355 assume !(0 != test_~tmp~4#1); 395#L355-2 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 428#L365 assume !(0 != test_~tmp___0~2#1); 339#L365-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 360#L375 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 361#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 378#L383-2 assume { :begin_inline_timeShift } true; 348#L153 assume !(0 != ~pumpRunning~0); 349#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 467#L211 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 424#L185-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 334#processEnvironment__wrappee__base_returnLabel#4 assume { :end_inline_processEnvironment__wrappee__base } true; 335#L185-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 470#L211-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 390#L160-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 391#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 374#L78 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 376#L78-1 havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 434#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 435#L345-2 [2024-11-13 13:14:14,230 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,231 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2024-11-13 13:14:14,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134846724] [2024-11-13 13:14:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:14,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,292 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:14,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1347335952, now seen corresponding path program 1 times [2024-11-13 13:14:14,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110961540] [2024-11-13 13:14:14,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:14,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:14,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110961540] [2024-11-13 13:14:14,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110961540] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:14,355 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:14,355 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-13 13:14:14,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324657912] [2024-11-13 13:14:14,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:14,356 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:14:14,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 13:14:14,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 13:14:14,358 INFO L87 Difference]: Start difference. First operand 148 states and 197 transitions. cyclomatic complexity: 51 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2024-11-13 13:14:14,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:14,527 INFO L93 Difference]: Finished difference Result 207 states and 266 transitions. [2024-11-13 13:14:14,527 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 207 states and 266 transitions. [2024-11-13 13:14:14,533 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-13 13:14:14,535 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 207 states to 207 states and 266 transitions. [2024-11-13 13:14:14,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2024-11-13 13:14:14,539 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2024-11-13 13:14:14,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 266 transitions. [2024-11-13 13:14:14,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:14:14,543 INFO L218 hiAutomatonCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-13 13:14:14,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 266 transitions. [2024-11-13 13:14:14,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2024-11-13 13:14:14,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 207 states have (on average 1.285024154589372) internal successors, (266), 206 states have internal predecessors, (266), 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) [2024-11-13 13:14:14,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 266 transitions. [2024-11-13 13:14:14,564 INFO L240 hiAutomatonCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-13 13:14:14,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 13:14:14,565 INFO L424 stractBuchiCegarLoop]: Abstraction has 207 states and 266 transitions. [2024-11-13 13:14:14,565 INFO L331 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-11-13 13:14:14,565 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 207 states and 266 transitions. [2024-11-13 13:14:14,567 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2024-11-13 13:14:14,569 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:14:14,570 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:14:14,570 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,571 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, 1] [2024-11-13 13:14:14,572 INFO L745 eck$LassoCheckResult]: Stem: 746#$Ultimate##0 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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 747#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 742#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 743#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 817#valid_product_returnLabel#1 main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 818#L485 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 803#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 804#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 798#L345-2 [2024-11-13 13:14:14,572 INFO L747 eck$LassoCheckResult]: Loop: 798#L345-2 assume !false; 780#L346 assume test_~splverifierCounter~0#1 < 4; 781#L347 havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 754#L355 assume !(0 != test_~tmp~4#1); 755#L355-2 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 790#L365 assume !(0 != test_~tmp___0~2#1); 700#L365-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 719#L375 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 720#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 737#L383-2 assume { :begin_inline_timeShift } true; 707#L153 assume !(0 != ~pumpRunning~0); 708#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 831#L211 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 785#L185-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 776#L583-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 763#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret18#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret18#1;havoc isHighWaterLevel_#t~ret18#1; 744#L313-3 assume !(0 != isHighWaterLevel_~tmp~3#1);isHighWaterLevel_~tmp___0~1#1 := 1; 745#L313-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 757#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret7#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret7#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1; 836#L189-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 758#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 759#L185-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 833#L211-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 750#L160-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 751#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 734#L78 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 736#L78-1 havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 797#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 798#L345-2 [2024-11-13 13:14:14,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2024-11-13 13:14:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340567524] [2024-11-13 13:14:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,590 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,602 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:14,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,603 INFO L85 PathProgramCache]: Analyzing trace with hash -1347634458, now seen corresponding path program 1 times [2024-11-13 13:14:14,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [257586862] [2024-11-13 13:14:14,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 13:14:14,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 13:14:14,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 13:14:14,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [257586862] [2024-11-13 13:14:14,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [257586862] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 13:14:14,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 13:14:14,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 13:14:14,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181607714] [2024-11-13 13:14:14,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 13:14:14,696 INFO L762 eck$LassoCheckResult]: loop already infeasible [2024-11-13 13:14:14,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 13:14:14,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-13 13:14:14,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-13 13:14:14,696 INFO L87 Difference]: Start difference. First operand 207 states and 266 transitions. cyclomatic complexity: 61 Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 13:14:14,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-13 13:14:14,864 INFO L93 Difference]: Finished difference Result 219 states and 278 transitions. [2024-11-13 13:14:14,864 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 219 states and 278 transitions. [2024-11-13 13:14:14,866 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2024-11-13 13:14:14,872 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 219 states to 219 states and 278 transitions. [2024-11-13 13:14:14,872 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2024-11-13 13:14:14,872 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2024-11-13 13:14:14,873 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 278 transitions. [2024-11-13 13:14:14,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 13:14:14,873 INFO L218 hiAutomatonCegarLoop]: Abstraction has 219 states and 278 transitions. [2024-11-13 13:14:14,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 278 transitions. [2024-11-13 13:14:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-13 13:14:14,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 219 states have (on average 1.269406392694064) internal successors, (278), 218 states have internal predecessors, (278), 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) [2024-11-13 13:14:14,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 278 transitions. [2024-11-13 13:14:14,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 219 states and 278 transitions. [2024-11-13 13:14:14,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-13 13:14:14,892 INFO L424 stractBuchiCegarLoop]: Abstraction has 219 states and 278 transitions. [2024-11-13 13:14:14,892 INFO L331 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-11-13 13:14:14,892 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 278 transitions. [2024-11-13 13:14:14,894 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 152 [2024-11-13 13:14:14,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 13:14:14,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 13:14:14,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-13 13:14:14,896 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, 1] [2024-11-13 13:14:14,896 INFO L745 eck$LassoCheckResult]: Stem: 1179#$Ultimate##0 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);~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 1180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret23#1, main_~retValue_acc~5#1, main_~tmp~5#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 1173#select_helpers_returnLabel#1 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1174#select_features_returnLabel#1 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 1259#valid_product_returnLabel#1 main_#t~ret23#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret23#1;havoc main_#t~ret23#1; 1260#L485 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 1242#setup_returnLabel#1 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1243#__utac_acc__Specification2_spec__1_returnLabel#1 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1236#L345-2 [2024-11-13 13:14:14,896 INFO L747 eck$LassoCheckResult]: Loop: 1236#L345-2 assume !false; 1218#L346 assume test_~splverifierCounter~0#1 < 4; 1219#L347 havoc test_#t~nondet19#1;test_~tmp~4#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1188#L355 assume !(0 != test_~tmp~4#1); 1189#L355-2 havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 1228#L365 assume !(0 != test_~tmp___0~2#1); 1131#L365-2 havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1; 1152#L375 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1153#startSystem_returnLabel#1 assume { :end_inline_startSystem } true; 1170#L383-2 assume { :begin_inline_timeShift } true; 1140#L153 assume !(0 != ~pumpRunning~0); 1141#L153-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1274#L211 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1; 1224#L185-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~4#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1; 1210#L583-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1; 1200#isHighWaterSensorDry_returnLabel#2 isHighWaterLevel_#t~ret18#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret18#1;havoc isHighWaterLevel_#t~ret18#1; 1177#L313-3 assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1178#L313-5 isHighWaterLevel_~retValue_acc~4#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~4#1; 1191#isHighWaterLevel_returnLabel#2 processEnvironment__wrappee__highWaterSensor_#t~ret7#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~4#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret7#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1; 1279#L189-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1192#processEnvironment__wrappee__base_returnLabel#3 assume { :end_inline_processEnvironment__wrappee__base } true; 1193#L185-3 havoc processEnvironment__wrappee__highWaterSensor_#t~ret7#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1276#L211-1 havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true; 1184#L160-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;havoc __utac_acc__Specification2_spec__2_~tmp~0#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 1185#isMethaneLevelCritical_returnLabel#2 __utac_acc__Specification2_spec__2_#t~ret4#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~0#1 := __utac_acc__Specification2_spec__2_#t~ret4#1;havoc __utac_acc__Specification2_spec__2_#t~ret4#1; 1167#L78 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0#1);~methAndRunningLastTime~0 := 0; 1169#L78-1 havoc __utac_acc__Specification2_spec__2_#t~ret4#1, __utac_acc__Specification2_spec__2_#t~ret5#1, __utac_acc__Specification2_spec__2_~tmp~0#1, __utac_acc__Specification2_spec__2_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1235#timeShift_returnLabel#1 assume { :end_inline_timeShift } true; 1236#L345-2 [2024-11-13 13:14:14,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,897 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2024-11-13 13:14:14,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796093838] [2024-11-13 13:14:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,922 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:14,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:14,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1605799896, now seen corresponding path program 1 times [2024-11-13 13:14:14,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458782138] [2024-11-13 13:14:14,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:14,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:14,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 13:14:14,967 INFO L85 PathProgramCache]: Analyzing trace with hash -606729327, now seen corresponding path program 1 times [2024-11-13 13:14:14,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 13:14:14,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313113764] [2024-11-13 13:14:14,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 13:14:14,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 13:14:14,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:14,985 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:14,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:15,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 13:14:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:16,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 13:14:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 13:14:16,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 01:14:16 BoogieIcfgContainer [2024-11-13 13:14:16,520 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 13:14:16,521 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 13:14:16,521 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 13:14:16,522 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 13:14:16,522 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 01:14:13" (3/4) ... [2024-11-13 13:14:16,524 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-11-13 13:14:16,594 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/witness.graphml [2024-11-13 13:14:16,595 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 13:14:16,596 INFO L158 Benchmark]: Toolchain (without parser) took 4746.91ms. Allocated memory is still 142.6MB. Free memory was 118.8MB in the beginning and 87.8MB in the end (delta: 31.0MB). Peak memory consumption was 32.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:16,596 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:16,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 574.39ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 100.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 13:14:16,597 INFO L158 Benchmark]: Boogie Procedure Inliner took 92.97ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:16,597 INFO L158 Benchmark]: Boogie Preprocessor took 88.10ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:16,598 INFO L158 Benchmark]: RCFGBuilder took 878.16ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 69.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 13:14:16,598 INFO L158 Benchmark]: BuchiAutomizer took 3033.64ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 91.5MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 13:14:16,598 INFO L158 Benchmark]: Witness Printer took 73.57ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 87.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 13:14:16,600 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 574.39ms. Allocated memory is still 142.6MB. Free memory was 118.6MB in the beginning and 100.2MB in the end (delta: 18.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 92.97ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 88.10ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 94.7MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 878.16ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 69.1MB in the end (delta: 25.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 3033.64ms. Allocated memory is still 142.6MB. Free memory was 68.8MB in the beginning and 91.5MB in the end (delta: -22.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.57ms. Allocated memory is still 142.6MB. Free memory was 91.5MB in the beginning and 87.8MB in the end (delta: 3.6MB). Peak memory consumption was 8.4MB. 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,"Specification2_spec.i","") [58] - GenericResultAtLocation [Line: 99]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [99] - GenericResultAtLocation [Line: 137]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [137] - GenericResultAtLocation [Line: 331]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [331] - GenericResultAtLocation [Line: 401]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [401] - GenericResultAtLocation [Line: 498]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [498] - GenericResultAtLocation [Line: 593]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [593] * 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 4 locations. The remainder module has 219 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.2s. 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, 342 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 342 mSDsluCounter, 996 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 416 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 101 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 580 mSDtfsCounter, 101 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI3 SFLT0 conc0 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: 345]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L61] int methAndRunningLastTime ; [L146] int pumpRunning = 0; [L147] int systemActive = 1; [L402] int cleanupTimeShifts = 4; [L500] int waterLevel = 1; [L501] int methaneLevelCritical = 0; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] int retValue_acc ; [L477] int tmp ; [L481] FCALL select_helpers() [L482] FCALL select_features() [L483] CALL, EXPR valid_product() [L129] int retValue_acc ; [L132] retValue_acc = 1 [L133] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] RET, EXPR valid_product() [L483] tmp = valid_product() [L485] COND TRUE \read(tmp) [L487] FCALL setup() [L488] CALL runTest() [L469] CALL __utac_acc__Specification2_spec__1() [L66] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET __utac_acc__Specification2_spec__1() [L470] CALL test() [L336] int splverifierCounter ; [L337] int tmp ; [L338] int tmp___0 ; [L339] int tmp___1 ; [L340] int tmp___2 ; [L343] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L345] COND TRUE 1 [L347] COND TRUE splverifierCounter < 4 [L353] tmp = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp)) [L363] tmp___0 = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp___0)) [L373] tmp___2 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___2) [L377] CALL startSystem() [L327] systemActive = 1 [L377] RET startSystem() [L390] CALL timeShift() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] CALL processEnvironment() [L208] int tmp ; [L211] COND FALSE !(\read(pumpRunning)) [L226] CALL processEnvironment__wrappee__highWaterSensor() [L182] int tmp ; [L185] COND TRUE ! pumpRunning [L187] CALL, EXPR isHighWaterLevel() [L305] int retValue_acc ; [L306] int tmp ; [L307] int tmp___0 ; [L311] CALL, EXPR isHighWaterSensorDry() [L580] int retValue_acc ; [L583] COND TRUE waterLevel < 2 [L584] retValue_acc = 1 [L585] return (retValue_acc); [L311] RET, EXPR isHighWaterSensorDry() [L311] tmp = isHighWaterSensorDry() [L313] COND TRUE \read(tmp) [L314] tmp___0 = 0 [L318] retValue_acc = tmp___0 [L319] return (retValue_acc); [L187] RET, EXPR isHighWaterLevel() [L187] tmp = isHighWaterLevel() [L189] COND FALSE !(\read(tmp)) [L195] FCALL processEnvironment__wrappee__base() [L226] RET processEnvironment__wrappee__highWaterSensor() [L162] RET processEnvironment() [L168] CALL __utac_acc__Specification2_spec__2() [L71] int tmp ; [L72] int tmp___0 ; [L76] CALL, EXPR isMethaneLevelCritical() [L539] int retValue_acc ; [L542] retValue_acc = methaneLevelCritical [L543] return (retValue_acc); [L76] RET, EXPR isMethaneLevelCritical() [L76] tmp = isMethaneLevelCritical() [L78] COND FALSE !(\read(tmp)) [L94] methAndRunningLastTime = 0 [L168] RET __utac_acc__Specification2_spec__2() [L390] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 345]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L61] int methAndRunningLastTime ; [L146] int pumpRunning = 0; [L147] int systemActive = 1; [L402] int cleanupTimeShifts = 4; [L500] int waterLevel = 1; [L501] int methaneLevelCritical = 0; [L763] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L476] int retValue_acc ; [L477] int tmp ; [L481] FCALL select_helpers() [L482] FCALL select_features() [L483] CALL, EXPR valid_product() [L129] int retValue_acc ; [L132] retValue_acc = 1 [L133] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L483] RET, EXPR valid_product() [L483] tmp = valid_product() [L485] COND TRUE \read(tmp) [L487] FCALL setup() [L488] CALL runTest() [L469] CALL __utac_acc__Specification2_spec__1() [L66] methAndRunningLastTime = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L469] RET __utac_acc__Specification2_spec__1() [L470] CALL test() [L336] int splverifierCounter ; [L337] int tmp ; [L338] int tmp___0 ; [L339] int tmp___1 ; [L340] int tmp___2 ; [L343] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L345] COND TRUE 1 [L347] COND TRUE splverifierCounter < 4 [L353] tmp = __VERIFIER_nondet_int() [L355] COND FALSE !(\read(tmp)) [L363] tmp___0 = __VERIFIER_nondet_int() [L365] COND FALSE !(\read(tmp___0)) [L373] tmp___2 = __VERIFIER_nondet_int() [L375] COND TRUE \read(tmp___2) [L377] CALL startSystem() [L327] systemActive = 1 [L377] RET startSystem() [L390] CALL timeShift() [L153] COND FALSE !(\read(pumpRunning)) [L160] COND TRUE \read(systemActive) [L162] CALL processEnvironment() [L208] int tmp ; [L211] COND FALSE !(\read(pumpRunning)) [L226] CALL processEnvironment__wrappee__highWaterSensor() [L182] int tmp ; [L185] COND TRUE ! pumpRunning [L187] CALL, EXPR isHighWaterLevel() [L305] int retValue_acc ; [L306] int tmp ; [L307] int tmp___0 ; [L311] CALL, EXPR isHighWaterSensorDry() [L580] int retValue_acc ; [L583] COND TRUE waterLevel < 2 [L584] retValue_acc = 1 [L585] return (retValue_acc); [L311] RET, EXPR isHighWaterSensorDry() [L311] tmp = isHighWaterSensorDry() [L313] COND TRUE \read(tmp) [L314] tmp___0 = 0 [L318] retValue_acc = tmp___0 [L319] return (retValue_acc); [L187] RET, EXPR isHighWaterLevel() [L187] tmp = isHighWaterLevel() [L189] COND FALSE !(\read(tmp)) [L195] FCALL processEnvironment__wrappee__base() [L226] RET processEnvironment__wrappee__highWaterSensor() [L162] RET processEnvironment() [L168] CALL __utac_acc__Specification2_spec__2() [L71] int tmp ; [L72] int tmp___0 ; [L76] CALL, EXPR isMethaneLevelCritical() [L539] int retValue_acc ; [L542] retValue_acc = methaneLevelCritical [L543] return (retValue_acc); [L76] RET, EXPR isMethaneLevelCritical() [L76] tmp = isMethaneLevelCritical() [L78] COND FALSE !(\read(tmp)) [L94] methAndRunningLastTime = 0 [L168] RET __utac_acc__Specification2_spec__2() [L390] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 13:14:16,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_78d812eb-5620-4f17-96f4-9fb0d35fb6b3/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)