/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation false -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c


--------------------------------------------------------------------------------


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 05:45:19,343 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 05:45:19,412 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-16 05:45:19,416 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 05:45:19,417 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 05:45:19,439 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 05:45:19,439 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 05:45:19,440 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 05:45:19,440 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 05:45:19,443 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 05:45:19,443 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 05:45:19,444 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 05:45:19,444 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 05:45:19,445 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 05:45:19,445 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 05:45:19,445 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 05:45:19,446 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 05:45:19,446 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 05:45:19,447 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-16 05:45:19,447 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 05:45:19,447 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 05:45:19,447 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 05:45:19,447 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 05:45:19,448 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 05:45:19,448 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 05:45:19,448 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 05:45:19,448 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 05:45:19,448 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 05:45:19,449 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 05:45:19,449 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 05:45:19,449 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:45:19,450 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 05:45:19,450 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 05:45:19,451 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 05:45:19,451 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 05:45:19,451 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 05:45:19,451 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> false
[2023-12-16 05:45:19,647 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 05:45:19,664 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 05:45:19,666 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 05:45:19,667 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 05:45:19,676 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 05:45:19,677 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c
[2023-12-16 05:45:20,821 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 05:45:21,022 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 05:45:21,022 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c
[2023-12-16 05:45:21,034 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba3a6412/45b1c0d22aa2494fb89ef896a6e67e1d/FLAGc6eed0f53
[2023-12-16 05:45:21,046 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aba3a6412/45b1c0d22aa2494fb89ef896a6e67e1d
[2023-12-16 05:45:21,047 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 05:45:21,048 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 05:45:21,049 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 05:45:21,049 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 05:45:21,063 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 05:45:21,063 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,064 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd8a923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21, skipping insertion in model container
[2023-12-16 05:45:21,064 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,108 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 05:45:21,260 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c[3936,3949]
[2023-12-16 05:45:21,353 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:45:21,361 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 05:45:21,384 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537]
[2023-12-16 05:45:21,394 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606]
[2023-12-16 05:45:21,401 WARN  L239   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product40.cil.c[3936,3949]
[2023-12-16 05:45:21,449 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 05:45:21,465 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 05:45:21,465 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21 WrapperNode
[2023-12-16 05:45:21,465 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 05:45:21,467 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 05:45:21,467 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 05:45:21,467 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 05:45:21,472 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,487 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,512 INFO  L138                Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 204
[2023-12-16 05:45:21,512 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 05:45:21,512 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 05:45:21,513 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 05:45:21,513 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 05:45:21,520 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,520 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,527 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,536 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].
[2023-12-16 05:45:21,537 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,537 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,540 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,543 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,544 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,544 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,551 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 05:45:21,552 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 05:45:21,552 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 05:45:21,553 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 05:45:21,553 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (1/1) ...
[2023-12-16 05:45:21,562 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 05:45:21,572 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 05:45:21,586 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 05:45:21,621 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 05:45:21,638 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 05:45:21,638 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 05:45:21,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 05:45:21,638 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 05:45:21,638 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 05:45:21,638 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 05:45:21,669 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 05:45:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 05:45:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 05:45:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-16 05:45:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-16 05:45:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 05:45:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 05:45:21,670 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 05:45:21,670 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 05:45:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-16 05:45:21,671 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 05:45:21,672 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 05:45:21,672 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 05:45:21,673 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 05:45:21,765 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 05:45:21,767 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 05:45:22,002 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 05:45:22,039 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 05:45:22,039 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 05:45:22,040 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:22 BoogieIcfgContainer
[2023-12-16 05:45:22,040 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 05:45:22,041 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 05:45:22,041 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 05:45:22,043 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 05:45:22,043 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:45:21" (1/3) ...
[2023-12-16 05:45:22,044 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c713793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:22, skipping insertion in model container
[2023-12-16 05:45:22,044 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:45:21" (2/3) ...
[2023-12-16 05:45:22,044 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c713793 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:45:22, skipping insertion in model container
[2023-12-16 05:45:22,044 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:45:22" (3/3) ...
[2023-12-16 05:45:22,045 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product40.cil.c
[2023-12-16 05:45:22,057 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 05:45:22,057 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 05:45:22,093 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 05:45:22,099 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77025211, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 05:45:22,099 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 05:45:22,102 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14)
[2023-12-16 05:45:22,108 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 05:45:22,109 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:22,109 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:22,110 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:22,113 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:22,113 INFO  L85        PathProgramCache]: Analyzing trace with hash -126818733, now seen corresponding path program 1 times
[2023-12-16 05:45:22,121 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:22,121 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619887807]
[2023-12-16 05:45:22,121 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:22,122 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:22,187 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,223 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-12-16 05:45:22,230 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,244 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:22,244 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:22,244 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619887807]
[2023-12-16 05:45:22,245 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619887807] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:22,245 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:22,245 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 05:45:22,246 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7043799]
[2023-12-16 05:45:22,247 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:22,253 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 05:45:22,253 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:22,276 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 05:45:22,276 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:45:22,278 INFO  L87              Difference]: Start difference. First operand  has 74 states, 50 states have (on average 1.54) internal successors, (77), 59 states have internal predecessors, (77), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 11 states have call predecessors, (14), 14 states have call successors, (14) Second operand  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,352 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:22,352 INFO  L93              Difference]: Finished difference Result 146 states and 211 transitions.
[2023-12-16 05:45:22,353 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 05:45:22,354 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17
[2023-12-16 05:45:22,354 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:22,360 INFO  L225             Difference]: With dead ends: 146
[2023-12-16 05:45:22,360 INFO  L226             Difference]: Without dead ends: 69
[2023-12-16 05:45:22,363 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 05:45:22,366 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:22,366 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 84 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:22,377 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 69 states.
[2023-12-16 05:45:22,390 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69.
[2023-12-16 05:45:22,391 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 69 states, 47 states have (on average 1.425531914893617) internal successors, (67), 55 states have internal predecessors, (67), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 10 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 05:45:22,393 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 94 transitions.
[2023-12-16 05:45:22,394 INFO  L78                 Accepts]: Start accepts. Automaton has 69 states and 94 transitions. Word has length 17
[2023-12-16 05:45:22,394 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:22,394 INFO  L495      AbstractCegarLoop]: Abstraction has 69 states and 94 transitions.
[2023-12-16 05:45:22,394 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,394 INFO  L276                IsEmpty]: Start isEmpty. Operand 69 states and 94 transitions.
[2023-12-16 05:45:22,397 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 05:45:22,397 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:22,397 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:22,397 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-16 05:45:22,397 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:22,398 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:22,398 INFO  L85        PathProgramCache]: Analyzing trace with hash 416396112, now seen corresponding path program 1 times
[2023-12-16 05:45:22,398 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:22,398 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627680230]
[2023-12-16 05:45:22,398 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:22,398 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:22,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,470 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-12-16 05:45:22,471 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,473 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:22,473 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:22,473 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627680230]
[2023-12-16 05:45:22,473 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627680230] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:22,474 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:22,474 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 05:45:22,474 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163021964]
[2023-12-16 05:45:22,474 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:22,475 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 05:45:22,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:22,475 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 05:45:22,475 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:22,475 INFO  L87              Difference]: Start difference. First operand 69 states and 94 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,517 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:22,517 INFO  L93              Difference]: Finished difference Result 108 states and 146 transitions.
[2023-12-16 05:45:22,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 05:45:22,517 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18
[2023-12-16 05:45:22,517 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:22,518 INFO  L225             Difference]: With dead ends: 108
[2023-12-16 05:45:22,518 INFO  L226             Difference]: Without dead ends: 61
[2023-12-16 05:45:22,519 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:22,520 INFO  L413           NwaCegarLoop]: 70 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:22,520 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 124 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:22,521 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 61 states.
[2023-12-16 05:45:22,525 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61.
[2023-12-16 05:45:22,525 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 61 states, 42 states have (on average 1.4523809523809523) internal successors, (61), 50 states have internal predecessors, (61), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11)
[2023-12-16 05:45:22,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 83 transitions.
[2023-12-16 05:45:22,526 INFO  L78                 Accepts]: Start accepts. Automaton has 61 states and 83 transitions. Word has length 18
[2023-12-16 05:45:22,526 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:22,527 INFO  L495      AbstractCegarLoop]: Abstraction has 61 states and 83 transitions.
[2023-12-16 05:45:22,527 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 61 states and 83 transitions.
[2023-12-16 05:45:22,527 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 05:45:22,527 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:22,528 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 05:45:22,528 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-16 05:45:22,528 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:22,528 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:22,528 INFO  L85        PathProgramCache]: Analyzing trace with hash -960154706, now seen corresponding path program 1 times
[2023-12-16 05:45:22,528 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:22,529 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081389155]
[2023-12-16 05:45:22,529 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:22,529 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:22,539 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,583 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-12-16 05:45:22,584 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,586 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:22,586 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:22,586 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081389155]
[2023-12-16 05:45:22,586 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2081389155] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:22,586 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:22,586 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 05:45:22,586 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964298796]
[2023-12-16 05:45:22,586 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:22,587 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 05:45:22,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:22,587 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 05:45:22,587 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:22,587 INFO  L87              Difference]: Start difference. First operand 61 states and 83 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,630 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:22,630 INFO  L93              Difference]: Finished difference Result 179 states and 246 transitions.
[2023-12-16 05:45:22,630 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 05:45:22,630 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21
[2023-12-16 05:45:22,631 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:22,632 INFO  L225             Difference]: With dead ends: 179
[2023-12-16 05:45:22,632 INFO  L226             Difference]: Without dead ends: 120
[2023-12-16 05:45:22,633 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 05:45:22,633 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 77 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:22,634 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 148 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 05:45:22,634 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2023-12-16 05:45:22,646 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117.
[2023-12-16 05:45:22,647 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 80 states have (on average 1.4625) internal successors, (117), 95 states have internal predecessors, (117), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 15 states have call predecessors, (22), 22 states have call successors, (22)
[2023-12-16 05:45:22,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 161 transitions.
[2023-12-16 05:45:22,648 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 161 transitions. Word has length 21
[2023-12-16 05:45:22,649 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:22,649 INFO  L495      AbstractCegarLoop]: Abstraction has 117 states and 161 transitions.
[2023-12-16 05:45:22,649 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,649 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 161 transitions.
[2023-12-16 05:45:22,650 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 05:45:22,650 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:22,650 INFO  L195           NwaCegarLoop]: trace 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]
[2023-12-16 05:45:22,650 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-16 05:45:22,650 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:22,651 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:22,651 INFO  L85        PathProgramCache]: Analyzing trace with hash 1523841305, now seen corresponding path program 1 times
[2023-12-16 05:45:22,651 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:22,651 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530698348]
[2023-12-16 05:45:22,651 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:22,652 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:22,665 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,756 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-12-16 05:45:22,759 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 05:45:22,762 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 05:45:22,762 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-16 05:45:22,763 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530698348]
[2023-12-16 05:45:22,763 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530698348] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 05:45:22,763 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 05:45:22,763 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-16 05:45:22,763 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720428116]
[2023-12-16 05:45:22,763 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 05:45:22,764 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 05:45:22,764 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-16 05:45:22,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 05:45:22,764 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 05:45:22,764 INFO  L87              Difference]: Start difference. First operand 117 states and 161 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,875 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 05:45:22,875 INFO  L93              Difference]: Finished difference Result 341 states and 490 transitions.
[2023-12-16 05:45:22,875 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 05:45:22,876 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24
[2023-12-16 05:45:22,876 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 05:45:22,883 INFO  L225             Difference]: With dead ends: 341
[2023-12-16 05:45:22,883 INFO  L226             Difference]: Without dead ends: 226
[2023-12-16 05:45:22,886 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-16 05:45:22,887 INFO  L413           NwaCegarLoop]: 65 mSDtfsCounter, 59 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 05:45:22,888 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 193 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 05:45:22,891 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 226 states.
[2023-12-16 05:45:22,908 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 224.
[2023-12-16 05:45:22,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 224 states, 153 states have (on average 1.4313725490196079) internal successors, (219), 180 states have internal predecessors, (219), 44 states have call successors, (44), 28 states have call predecessors, (44), 26 states have return successors, (50), 28 states have call predecessors, (50), 44 states have call successors, (50)
[2023-12-16 05:45:22,911 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 313 transitions.
[2023-12-16 05:45:22,911 INFO  L78                 Accepts]: Start accepts. Automaton has 224 states and 313 transitions. Word has length 24
[2023-12-16 05:45:22,911 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 05:45:22,911 INFO  L495      AbstractCegarLoop]: Abstraction has 224 states and 313 transitions.
[2023-12-16 05:45:22,911 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-16 05:45:22,912 INFO  L276                IsEmpty]: Start isEmpty. Operand 224 states and 313 transitions.
[2023-12-16 05:45:22,913 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 05:45:22,913 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 05:45:22,914 INFO  L195           NwaCegarLoop]: trace 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]
[2023-12-16 05:45:22,914 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-16 05:45:22,914 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 05:45:22,914 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 05:45:22,914 INFO  L85        PathProgramCache]: Analyzing trace with hash -1145786369, now seen corresponding path program 1 times
[2023-12-16 05:45:22,915 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-16 05:45:22,915 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812145496]
[2023-12-16 05:45:22,915 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 05:45:22,915 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-16 05:45:22,960 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 05:45:22,961 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 05:45:22,976 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 05:45:22,997 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-16 05:45:22,998 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 05:45:22,998 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 05:45:22,999 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-16 05:45:23,001 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 05:45:23,004 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 05:45:23,027 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:45:23 BoogieIcfgContainer
[2023-12-16 05:45:23,028 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 05:45:23,028 INFO  L158              Benchmark]: Toolchain (without parser) took 1979.92ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 114.7MB in the beginning and 235.8MB in the end (delta: -121.2MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 05:45:23,028 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 122.0MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 05:45:23,029 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 416.69ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 94.9MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2023-12-16 05:45:23,029 INFO  L158              Benchmark]: Boogie Procedure Inliner took 45.31ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 92.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:45:23,029 INFO  L158              Benchmark]: Boogie Preprocessor took 39.30ms. Allocated memory is still 167.8MB. Free memory was 92.6MB in the beginning and 90.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 05:45:23,030 INFO  L158              Benchmark]: RCFGBuilder took 487.33ms. Allocated memory is still 167.8MB. Free memory was 90.3MB in the beginning and 120.3MB in the end (delta: -30.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB.
[2023-12-16 05:45:23,030 INFO  L158              Benchmark]: TraceAbstraction took 986.85ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 119.8MB in the beginning and 235.8MB in the end (delta: -116.0MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 05:45:23,032 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 122.0MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 416.69ms. Allocated memory is still 167.8MB. Free memory was 114.7MB in the beginning and 94.9MB in the end (delta: 19.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 45.31ms. Allocated memory is still 167.8MB. Free memory was 94.9MB in the beginning and 92.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 39.30ms. Allocated memory is still 167.8MB. Free memory was 92.6MB in the beginning and 90.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 487.33ms. Allocated memory is still 167.8MB. Free memory was 90.3MB in the beginning and 120.3MB in the end (delta: -30.0MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB.
 * TraceAbstraction took 986.85ms. Allocated memory was 167.8MB in the beginning and 272.6MB in the end (delta: 104.9MB). Free memory was 119.8MB in the beginning and 235.8MB in the end (delta: -116.0MB). There was no memory consumed. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
  - GenericResultAtLocation [Line: 153]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [153]
  - GenericResultAtLocation [Line: 188]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [188]
  - GenericResultAtLocation [Line: 226]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [226]
  - GenericResultAtLocation [Line: 235]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [235]
  - GenericResultAtLocation [Line: 332]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [332]
  - GenericResultAtLocation [Line: 537]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [537]
  - GenericResultAtLocation [Line: 606]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [606]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 231]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L50]               int cleanupTimeShifts  =    4;
[L239]              int waterLevel  =    1;
[L240]              int methaneLevelCritical  =    0;
[L337]              int pumpRunning  =    0;
[L338]              int systemActive  =    1;
[L776]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L131]              int retValue_acc ;
[L132]              int tmp ;
[L136]  FCALL       select_helpers()
[L137]  FCALL       select_features()
[L138]  CALL, EXPR  valid_product()
[L180]              int retValue_acc ;
[L183]              retValue_acc = 1
[L184]              return (retValue_acc);
[L138]  RET, EXPR   valid_product()
[L138]              tmp = valid_product()
[L140]  COND TRUE   \read(tmp)
[L142]  FCALL       setup()
[L143]  CALL        runTest()
[L122]  CALL        test()
[L539]              int splverifierCounter ;
[L540]              int tmp ;
[L541]              int tmp___0 ;
[L542]              int tmp___1 ;
[L543]              int tmp___2 ;
[L546]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L548]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L550]  COND TRUE   splverifierCounter < 4
[L556]              tmp = __VERIFIER_nondet_int()
[L558]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L560]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L257]  COND TRUE   waterLevel < 2
[L258]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L560]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L566]              tmp___0 = __VERIFIER_nondet_int()
[L568]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2]
[L576]              tmp___2 = __VERIFIER_nondet_int()
[L578]  COND FALSE  !(\read(tmp___2))
[L584]              tmp___1 = __VERIFIER_nondet_int()
[L586]  COND TRUE   \read(tmp___1)
[L588]  CALL        stopSystem()
[L518]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L525]              systemActive = 0
[L588]  RET         stopSystem()
[L595]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L344]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L351]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L359]  CALL        __utac_acc__Specification3_spec__1()
[L194]              int tmp ;
[L195]              int tmp___0 ;
[L196]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L200]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L278]              int retValue_acc ;
[L281]              retValue_acc = methaneLevelCritical
[L282]              return (retValue_acc);
[L200]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L200]              tmp = isMethaneLevelCritical()
[L202]  COND FALSE  !(\read(tmp))
[L206]  CALL, EXPR  getWaterLevel()
[L310]              int retValue_acc ;
[L313]              retValue_acc = waterLevel
[L314]              return (retValue_acc);
[L206]  RET, EXPR   getWaterLevel()
[L206]              tmp___0 = getWaterLevel()
[L208]  COND TRUE   tmp___0 == 2
[L210]  CALL, EXPR  isPumpRunning()
[L451]              int retValue_acc ;
[L454]              retValue_acc = pumpRunning
[L455]              return (retValue_acc);
[L210]  RET, EXPR   isPumpRunning()
[L210]              tmp___1 = isPumpRunning()
[L212]  COND FALSE  !(\read(tmp___1))
[L216]  CALL        __automaton_fail()
[L231]              reach_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 9 procedures, 74 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 154 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 150 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 121 IncrementalHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 299 mSDtfsCounter, 121 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224occurred in iteration=4, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-12-16 05:45:23,055 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...