/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 true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-15 22:56:06,086 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-15 22:56:06,167 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-15 22:56:06,172 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-15 22:56:06,173 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-15 22:56:06,202 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-15 22:56:06,202 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-15 22:56:06,203 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-15 22:56:06,203 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-15 22:56:06,207 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-15 22:56:06,207 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-15 22:56:06,208 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-15 22:56:06,208 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-15 22:56:06,209 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-15 22:56:06,210 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-15 22:56:06,210 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-15 22:56:06,210 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-15 22:56:06,210 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-15 22:56:06,210 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-15 22:56:06,212 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-15 22:56:06,212 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-15 22:56:06,212 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-15 22:56:06,212 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-15 22:56:06,213 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-15 22:56:06,213 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-15 22:56:06,213 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-15 22:56:06,213 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-15 22:56:06,213 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-15 22:56:06,214 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-15 22:56:06,214 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-15 22:56:06,215 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-15 22:56:06,215 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-15 22:56:06,215 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-15 22:56:06,215 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-15 22:56:06,216 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-15 22:56:06,217 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-15 22:56:06,217 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-15 22:56:06,217 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-15 22:56:06,463 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-15 22:56:06,483 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-15 22:56:06,485 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-15 22:56:06,486 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-15 22:56:06,486 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-15 22:56:06,487 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2023-12-15 22:56:07,681 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-15 22:56:07,965 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-15 22:56:07,966 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product36.cil.c
[2023-12-15 22:56:07,985 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614588d9b/03a4b3158a20480ab8c66c5a4da91e51/FLAG8f767048e
[2023-12-15 22:56:08,000 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/614588d9b/03a4b3158a20480ab8c66c5a4da91e51
[2023-12-15 22:56:08,003 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-15 22:56:08,004 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-15 22:56:08,006 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-15 22:56:08,007 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-15 22:56:08,011 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-15 22:56:08,011 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,012 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d094d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08, skipping insertion in model container
[2023-12-15 22:56:08,012 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,063 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-15 22:56:08,181 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_product36.cil.c[1605,1618]
[2023-12-15 22:56:08,288 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-15 22:56:08,297 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-15 22:56:08,306 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778]
[2023-12-15 22:56:08,308 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877]
[2023-12-15 22:56:08,309 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912]
[2023-12-15 22:56:08,312 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_product36.cil.c[1605,1618]
[2023-12-15 22:56:08,374 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-15 22:56:08,388 INFO  L206         MainTranslator]: Completed translation
[2023-12-15 22:56:08,389 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08 WrapperNode
[2023-12-15 22:56:08,389 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-15 22:56:08,390 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-15 22:56:08,390 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-15 22:56:08,390 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-15 22:56:08,394 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,406 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,434 INFO  L138                Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 186
[2023-12-15 22:56:08,434 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-15 22:56:08,435 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-15 22:56:08,437 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-15 22:56:08,437 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-15 22:56:08,445 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,445 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,447 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,458 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].
[2023-12-15 22:56:08,459 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,459 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,463 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,465 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,466 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,466 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,468 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-15 22:56:08,468 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-15 22:56:08,468 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-15 22:56:08,468 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-15 22:56:08,469 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (1/1) ...
[2023-12-15 22:56:08,476 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-15 22:56:08,487 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-15 22:56:08,546 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)
[2023-12-15 22:56:08,549 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
[2023-12-15 22:56:08,567 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-15 22:56:08,567 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-15 22:56:08,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-15 22:56:08,567 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-15 22:56:08,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-15 22:56:08,567 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-15 22:56:08,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-15 22:56:08,567 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-15 22:56:08,567 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-15 22:56:08,568 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-15 22:56:08,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-15 22:56:08,568 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-15 22:56:08,568 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-15 22:56:08,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-15 22:56:08,568 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-15 22:56:08,568 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-15 22:56:08,633 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-15 22:56:08,636 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-15 22:56:08,912 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-15 22:56:08,990 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-15 22:56:08,992 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-15 22:56:08,992 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:08 BoogieIcfgContainer
[2023-12-15 22:56:08,992 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-15 22:56:08,995 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-15 22:56:08,995 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-15 22:56:08,998 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-15 22:56:08,998 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.12 10:56:08" (1/3) ...
[2023-12-15 22:56:08,999 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f3a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:08, skipping insertion in model container
[2023-12-15 22:56:09,000 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 10:56:08" (2/3) ...
[2023-12-15 22:56:09,000 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d8f3a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.12 10:56:09, skipping insertion in model container
[2023-12-15 22:56:09,000 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 10:56:08" (3/3) ...
[2023-12-15 22:56:09,001 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product36.cil.c
[2023-12-15 22:56:09,017 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-15 22:56:09,017 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-15 22:56:09,069 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-15 22:56:09,075 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;@3a2ea406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-15 22:56:09,075 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-15 22:56:09,083 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 61 states, 44 states have (on average 1.5681818181818181) internal successors, (69), 50 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-15 22:56:09,129 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-15 22:56:09,129 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-15 22:56:09,130 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-15 22:56:09,131 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-15 22:56:09,151 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-15 22:56:09,151 INFO  L85        PathProgramCache]: Analyzing trace with hash -160384980, now seen corresponding path program 1 times
[2023-12-15 22:56:09,159 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-15 22:56:09,159 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060329070]
[2023-12-15 22:56:09,159 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-15 22:56:09,160 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-15 22:56:09,285 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,346 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-12-15 22:56:09,348 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,353 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-15 22:56:09,353 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-15 22:56:09,353 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060329070]
[2023-12-15 22:56:09,354 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060329070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-15 22:56:09,354 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-15 22:56:09,354 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-15 22:56:09,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941977640]
[2023-12-15 22:56:09,357 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-15 22:56:09,360 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-15 22:56:09,360 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-15 22:56:09,386 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-15 22:56:09,387 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-15 22:56:09,389 INFO  L87              Difference]: Start difference. First operand  has 61 states, 44 states have (on average 1.5681818181818181) internal successors, (69), 50 states have internal predecessors, (69), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) 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)
[2023-12-15 22:56:09,464 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-15 22:56:09,464 INFO  L93              Difference]: Finished difference Result 120 states and 175 transitions.
[2023-12-15 22:56:09,465 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-15 22:56:09,466 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
[2023-12-15 22:56:09,467 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-15 22:56:09,475 INFO  L225             Difference]: With dead ends: 120
[2023-12-15 22:56:09,475 INFO  L226             Difference]: Without dead ends: 56
[2023-12-15 22:56:09,479 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
[2023-12-15 22:56:09,484 INFO  L413           NwaCegarLoop]: 67 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-15 22:56:09,485 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 67 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-15 22:56:09,499 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-12-15 22:56:09,518 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-12-15 22:56:09,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 56 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 46 states have internal predecessors, (59), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-12-15 22:56:09,525 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 76 transitions.
[2023-12-15 22:56:09,527 INFO  L78                 Accepts]: Start accepts. Automaton has 56 states and 76 transitions. Word has length 17
[2023-12-15 22:56:09,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-15 22:56:09,527 INFO  L495      AbstractCegarLoop]: Abstraction has 56 states and 76 transitions.
[2023-12-15 22:56:09,527 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)
[2023-12-15 22:56:09,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions.
[2023-12-15 22:56:09,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-15 22:56:09,531 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-15 22:56:09,531 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-15 22:56:09,531 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-15 22:56:09,531 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-15 22:56:09,532 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-15 22:56:09,532 INFO  L85        PathProgramCache]: Analyzing trace with hash -1331131767, now seen corresponding path program 1 times
[2023-12-15 22:56:09,532 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-15 22:56:09,533 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477669113]
[2023-12-15 22:56:09,533 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-15 22:56:09,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-15 22:56:09,563 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,645 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-12-15 22:56:09,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-15 22:56:09,657 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-15 22:56:09,657 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477669113]
[2023-12-15 22:56:09,657 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1477669113] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-15 22:56:09,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-15 22:56:09,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-15 22:56:09,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1666379602]
[2023-12-15 22:56:09,658 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-15 22:56:09,659 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-15 22:56:09,659 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-15 22:56:09,660 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-15 22:56:09,660 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-15 22:56:09,660 INFO  L87              Difference]: Start difference. First operand 56 states and 76 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)
[2023-12-15 22:56:09,702 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-15 22:56:09,702 INFO  L93              Difference]: Finished difference Result 83 states and 112 transitions.
[2023-12-15 22:56:09,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-15 22:56:09,703 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
[2023-12-15 22:56:09,703 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-15 22:56:09,704 INFO  L225             Difference]: With dead ends: 83
[2023-12-15 22:56:09,705 INFO  L226             Difference]: Without dead ends: 48
[2023-12-15 22:56:09,705 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
[2023-12-15 22:56:09,707 INFO  L413           NwaCegarLoop]: 53 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-15 22:56:09,708 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 92 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-15 22:56:09,710 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2023-12-15 22:56:09,719 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2023-12-15 22:56:09,720 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 48 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 41 states have internal predecessors, (53), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2023-12-15 22:56:09,720 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions.
[2023-12-15 22:56:09,721 INFO  L78                 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 18
[2023-12-15 22:56:09,721 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-15 22:56:09,721 INFO  L495      AbstractCegarLoop]: Abstraction has 48 states and 65 transitions.
[2023-12-15 22:56:09,721 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)
[2023-12-15 22:56:09,721 INFO  L276                IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions.
[2023-12-15 22:56:09,722 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-15 22:56:09,722 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-15 22:56:09,722 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]
[2023-12-15 22:56:09,722 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-15 22:56:09,723 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-15 22:56:09,723 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-15 22:56:09,723 INFO  L85        PathProgramCache]: Analyzing trace with hash 76596545, now seen corresponding path program 1 times
[2023-12-15 22:56:09,723 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-15 22:56:09,723 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1824687441]
[2023-12-15 22:56:09,723 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-15 22:56:09,724 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-15 22:56:09,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,805 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-12-15 22:56:09,808 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:09,814 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-15 22:56:09,815 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-15 22:56:09,816 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1824687441]
[2023-12-15 22:56:09,817 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1824687441] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-15 22:56:09,817 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-15 22:56:09,817 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-15 22:56:09,817 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548237813]
[2023-12-15 22:56:09,817 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-15 22:56:09,818 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-15 22:56:09,818 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-15 22:56:09,818 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-15 22:56:09,818 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-15 22:56:09,819 INFO  L87              Difference]: Start difference. First operand 48 states and 65 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)
[2023-12-15 22:56:09,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-15 22:56:09,898 INFO  L93              Difference]: Finished difference Result 140 states and 192 transitions.
[2023-12-15 22:56:09,901 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-15 22:56:09,901 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
[2023-12-15 22:56:09,901 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-15 22:56:09,902 INFO  L225             Difference]: With dead ends: 140
[2023-12-15 22:56:09,902 INFO  L226             Difference]: Without dead ends: 94
[2023-12-15 22:56:09,903 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
[2023-12-15 22:56:09,904 INFO  L413           NwaCegarLoop]: 62 mSDtfsCounter, 59 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-15 22:56:09,906 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 113 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-15 22:56:09,907 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-12-15 22:56:09,918 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90.
[2023-12-15 22:56:09,918 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 90 states, 67 states have (on average 1.4776119402985075) internal successors, (99), 76 states have internal predecessors, (99), 12 states have call successors, (12), 10 states have call predecessors, (12), 10 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12)
[2023-12-15 22:56:09,919 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 123 transitions.
[2023-12-15 22:56:09,922 INFO  L78                 Accepts]: Start accepts. Automaton has 90 states and 123 transitions. Word has length 21
[2023-12-15 22:56:09,923 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-15 22:56:09,923 INFO  L495      AbstractCegarLoop]: Abstraction has 90 states and 123 transitions.
[2023-12-15 22:56:09,924 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)
[2023-12-15 22:56:09,925 INFO  L276                IsEmpty]: Start isEmpty. Operand 90 states and 123 transitions.
[2023-12-15 22:56:09,930 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-15 22:56:09,930 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-15 22:56:09,931 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]
[2023-12-15 22:56:09,931 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-15 22:56:09,931 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-15 22:56:09,931 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-15 22:56:09,932 INFO  L85        PathProgramCache]: Analyzing trace with hash 418680391, now seen corresponding path program 1 times
[2023-12-15 22:56:09,932 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-15 22:56:09,932 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645300557]
[2023-12-15 22:56:09,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-15 22:56:09,932 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-15 22:56:09,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:10,099 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-12-15 22:56:10,101 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-15 22:56:10,104 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-15 22:56:10,104 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-15 22:56:10,104 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645300557]
[2023-12-15 22:56:10,104 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645300557] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-15 22:56:10,104 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-15 22:56:10,105 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-15 22:56:10,105 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144009510]
[2023-12-15 22:56:10,105 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-15 22:56:10,105 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-15 22:56:10,105 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-15 22:56:10,106 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-15 22:56:10,107 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-15 22:56:10,107 INFO  L87              Difference]: Start difference. First operand 90 states and 123 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)
[2023-12-15 22:56:10,204 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-15 22:56:10,204 INFO  L93              Difference]: Finished difference Result 266 states and 374 transitions.
[2023-12-15 22:56:10,206 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-15 22:56:10,206 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
[2023-12-15 22:56:10,207 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-15 22:56:10,209 INFO  L225             Difference]: With dead ends: 266
[2023-12-15 22:56:10,209 INFO  L226             Difference]: Without dead ends: 178
[2023-12-15 22:56:10,214 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
[2023-12-15 22:56:10,214 INFO  L413           NwaCegarLoop]: 49 mSDtfsCounter, 43 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-15 22:56:10,215 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 144 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-15 22:56:10,215 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 178 states.
[2023-12-15 22:56:10,236 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 172.
[2023-12-15 22:56:10,237 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 172 states, 127 states have (on average 1.4566929133858268) internal successors, (185), 144 states have internal predecessors, (185), 24 states have call successors, (24), 20 states have call predecessors, (24), 20 states have return successors, (30), 20 states have call predecessors, (30), 24 states have call successors, (30)
[2023-12-15 22:56:10,238 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 239 transitions.
[2023-12-15 22:56:10,238 INFO  L78                 Accepts]: Start accepts. Automaton has 172 states and 239 transitions. Word has length 24
[2023-12-15 22:56:10,239 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-15 22:56:10,239 INFO  L495      AbstractCegarLoop]: Abstraction has 172 states and 239 transitions.
[2023-12-15 22:56:10,239 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)
[2023-12-15 22:56:10,239 INFO  L276                IsEmpty]: Start isEmpty. Operand 172 states and 239 transitions.
[2023-12-15 22:56:10,248 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-15 22:56:10,249 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-15 22:56:10,249 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]
[2023-12-15 22:56:10,249 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-15 22:56:10,249 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-15 22:56:10,250 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-15 22:56:10,250 INFO  L85        PathProgramCache]: Analyzing trace with hash 1986304045, now seen corresponding path program 1 times
[2023-12-15 22:56:10,250 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-15 22:56:10,250 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283602453]
[2023-12-15 22:56:10,250 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-15 22:56:10,250 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-15 22:56:10,273 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-15 22:56:10,274 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-15 22:56:10,281 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-15 22:56:10,307 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-15 22:56:10,308 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-15 22:56:10,309 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-15 22:56:10,310 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-15 22:56:10,313 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-15 22:56:10,316 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-15 22:56:10,348 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.12 10:56:10 BoogieIcfgContainer
[2023-12-15 22:56:10,348 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-15 22:56:10,349 INFO  L158              Benchmark]: Toolchain (without parser) took 2344.64ms. Allocated memory is still 300.9MB. Free memory was 250.4MB in the beginning and 195.9MB in the end (delta: 54.5MB). Peak memory consumption was 54.8MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,349 INFO  L158              Benchmark]: CDTParser took 0.64ms. Allocated memory is still 207.6MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-15 22:56:10,349 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 382.96ms. Allocated memory is still 300.9MB. Free memory was 250.2MB in the beginning and 230.5MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,350 INFO  L158              Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 300.9MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,350 INFO  L158              Benchmark]: Boogie Preprocessor took 32.79ms. Allocated memory is still 300.9MB. Free memory was 228.4MB in the beginning and 226.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,350 INFO  L158              Benchmark]: RCFGBuilder took 524.22ms. Allocated memory is still 300.9MB. Free memory was 226.3MB in the beginning and 205.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,350 INFO  L158              Benchmark]: TraceAbstraction took 1353.16ms. Allocated memory is still 300.9MB. Free memory was 205.1MB in the beginning and 195.9MB in the end (delta: 9.2MB). Peak memory consumption was 9.7MB. Max. memory is 8.0GB.
[2023-12-15 22:56:10,352 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.64ms. Allocated memory is still 207.6MB. Free memory is still 160.8MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 382.96ms. Allocated memory is still 300.9MB. Free memory was 250.2MB in the beginning and 230.5MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 300.9MB. Free memory was 230.5MB in the beginning and 228.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 32.79ms. Allocated memory is still 300.9MB. Free memory was 228.4MB in the beginning and 226.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 524.22ms. Allocated memory is still 300.9MB. Free memory was 226.3MB in the beginning and 205.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1353.16ms. Allocated memory is still 300.9MB. Free memory was 205.1MB in the beginning and 195.9MB in the end (delta: 9.2MB). Peak memory consumption was 9.7MB. 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,"wsllib_check.i","") [49]
  - GenericResultAtLocation [Line: 58]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58]
  - GenericResultAtLocation [Line: 424]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [424]
  - GenericResultAtLocation [Line: 611]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [611]
  - GenericResultAtLocation [Line: 683]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [683]
  - GenericResultAtLocation [Line: 778]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [778]
  - GenericResultAtLocation [Line: 877]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [877]
  - GenericResultAtLocation [Line: 912]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [912]
 * 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: 54]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L228]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L436]              int pumpRunning  =    0;
[L437]              int systemActive  =    1;
[L685]              int waterLevel  =    1;
[L686]              int methaneLevelCritical  =    0;
[L779]              int cleanupTimeShifts  =    4;
[L855]              int retValue_acc ;
[L856]              int tmp ;
[L860]  FCALL       select_helpers()
[L861]  FCALL       select_features()
[L862]  CALL, EXPR  valid_product()
[L904]              int retValue_acc ;
[L907]              retValue_acc = 1
[L908]              return (retValue_acc);
[L862]  RET, EXPR   valid_product()
[L862]              tmp = valid_product()
[L864]  COND TRUE   \read(tmp)
[L866]  FCALL       setup()
[L867]  CALL        runTest()
[L846]  CALL        test()
[L616]              int splverifierCounter ;
[L617]              int tmp ;
[L618]              int tmp___0 ;
[L619]              int tmp___1 ;
[L620]              int tmp___2 ;
[L623]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L625]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L627]  COND TRUE   splverifierCounter < 4
[L633]              tmp = __VERIFIER_nondet_int()
[L635]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L637]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L703]  COND TRUE   waterLevel < 2
[L704]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L637]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L643]              tmp___0 = __VERIFIER_nondet_int()
[L645]  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]
[L653]              tmp___2 = __VERIFIER_nondet_int()
[L655]  COND FALSE  !(\read(tmp___2))
[L661]              tmp___1 = __VERIFIER_nondet_int()
[L663]  COND TRUE   \read(tmp___1)
[L665]  CALL        stopSystem()
[L592]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L599]              systemActive = 0
[L665]  RET         stopSystem()
[L672]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L444]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L451]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L459]  CALL        __utac_acc__Specification3_spec__1()
[L914]              int tmp ;
[L915]              int tmp___0 ;
[L916]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L724]              int retValue_acc ;
[L727]              retValue_acc = methaneLevelCritical
[L728]              return (retValue_acc);
[L920]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L920]              tmp = isMethaneLevelCritical()
[L922]  COND FALSE  !(\read(tmp))
[L926]  CALL, EXPR  getWaterLevel()
[L756]              int retValue_acc ;
[L759]              retValue_acc = waterLevel
[L760]              return (retValue_acc);
[L926]  RET, EXPR   getWaterLevel()
[L926]              tmp___0 = getWaterLevel()
[L928]  COND TRUE   tmp___0 == 2
[L930]  CALL, EXPR  isPumpRunning()
[L525]              int retValue_acc ;
[L528]              retValue_acc = pumpRunning
[L529]              return (retValue_acc);
[L930]  RET, EXPR   isPumpRunning()
[L930]              tmp___1 = isPumpRunning()
[L932]  COND FALSE  !(\read(tmp___1))
[L936]  CALL        __automaton_fail()
[L54]               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 7 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 416 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 185 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 117 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 231 mSDtfsCounter, 117 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=172occurred in iteration=4, InterpolantAutomatonStates: 13, 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, 10 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 143 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!
[2023-12-15 22:56:10,377 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...