/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_product56.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-19 23:39:14,434 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-19 23:39:14,503 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2023-12-19 23:39:14,508 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-19 23:39:14,508 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-19 23:39:14,536 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-19 23:39:14,537 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-19 23:39:14,537 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-19 23:39:14,538 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-19 23:39:14,540 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-19 23:39:14,541 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-19 23:39:14,541 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-19 23:39:14,541 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-19 23:39:14,541 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-19 23:39:14,541 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-19 23:39:14,542 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-19 23:39:14,542 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-19 23:39:14,542 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-19 23:39:14,542 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-19 23:39:14,542 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-19 23:39:14,542 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-19 23:39:14,545 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-19 23:39:14,546 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-19 23:39:14,546 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-19 23:39:14,546 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-19 23:39:14,546 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-19 23:39:14,546 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 23:39:14,546 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-19 23:39:14,546 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-19 23:39:14,547 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-19 23:39:14,547 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true
[2023-12-19 23:39:14,726 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-19 23:39:14,739 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-19 23:39:14,740 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-19 23:39:14,741 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-19 23:39:14,743 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-19 23:39:14,744 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c
[2023-12-19 23:39:15,691 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-19 23:39:15,885 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-19 23:39:15,885 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product56.cil.c
[2023-12-19 23:39:15,900 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1791a9fa8/30c47b1302424eb8a80996004a02ab6d/FLAGeca36dafc
[2023-12-19 23:39:15,911 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1791a9fa8/30c47b1302424eb8a80996004a02ab6d
[2023-12-19 23:39:15,912 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-19 23:39:15,913 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-19 23:39:15,914 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-19 23:39:15,914 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-19 23:39:15,919 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-19 23:39:15,919 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:15" (1/1) ...
[2023-12-19 23:39:15,920 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2396a000 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:15, skipping insertion in model container
[2023-12-19 23:39:15,920 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 11:39:15" (1/1) ...
[2023-12-19 23:39:15,972 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-19 23:39:16,180 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_product56.cil.c[19275,19288]
[2023-12-19 23:39:16,183 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 23:39:16,189 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-19 23:39:16,195 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-12-19 23:39:16,196 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [153]
[2023-12-19 23:39:16,196 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
[2023-12-19 23:39:16,196 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
[2023-12-19 23:39:16,196 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
[2023-12-19 23:39:16,196 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699]
[2023-12-19 23:39:16,197 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
[2023-12-19 23:39:16,197 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018]
[2023-12-19 23:39:16,250 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_product56.cil.c[19275,19288]
[2023-12-19 23:39:16,251 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-19 23:39:16,263 INFO  L206         MainTranslator]: Completed translation
[2023-12-19 23:39:16,263 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16 WrapperNode
[2023-12-19 23:39:16,264 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-19 23:39:16,264 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-19 23:39:16,264 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-19 23:39:16,265 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-19 23:39:16,269 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,278 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,295 INFO  L138                Inliner]: procedures = 58, calls = 106, calls flagged for inlining = 25, calls inlined = 22, statements flattened = 236
[2023-12-19 23:39:16,295 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-19 23:39:16,296 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-19 23:39:16,296 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-19 23:39:16,296 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-19 23:39:16,303 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,303 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,305 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,313 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].
[2023-12-19 23:39:16,313 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,319 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,322 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,328 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,329 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,329 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,331 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-19 23:39:16,331 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-19 23:39:16,331 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-19 23:39:16,331 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-19 23:39:16,332 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (1/1) ...
[2023-12-19 23:39:16,335 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-19 23:39:16,348 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-19 23:39:16,358 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)
[2023-12-19 23:39:16,362 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
[2023-12-19 23:39:16,378 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-19 23:39:16,378 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-19 23:39:16,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-19 23:39:16,378 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-19 23:39:16,378 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-19 23:39:16,378 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-19 23:39:16,379 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-19 23:39:16,379 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-12-19 23:39:16,379 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-19 23:39:16,379 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2023-12-19 23:39:16,379 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-19 23:39:16,379 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-19 23:39:16,380 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-12-19 23:39:16,380 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-19 23:39:16,380 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-19 23:39:16,381 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-19 23:39:16,381 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-19 23:39:16,451 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-19 23:39:16,454 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-19 23:39:16,705 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-19 23:39:16,750 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-19 23:39:16,750 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-19 23:39:16,750 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:16 BoogieIcfgContainer
[2023-12-19 23:39:16,750 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-19 23:39:16,752 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-19 23:39:16,752 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-19 23:39:16,754 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-19 23:39:16,754 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 11:39:15" (1/3) ...
[2023-12-19 23:39:16,754 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23858ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:16, skipping insertion in model container
[2023-12-19 23:39:16,755 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 11:39:16" (2/3) ...
[2023-12-19 23:39:16,755 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23858ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 11:39:16, skipping insertion in model container
[2023-12-19 23:39:16,755 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 11:39:16" (3/3) ...
[2023-12-19 23:39:16,756 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product56.cil.c
[2023-12-19 23:39:16,767 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-19 23:39:16,767 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-19 23:39:16,796 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-19 23:39:16,800 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;@608f5ab4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-19 23:39:16,800 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-19 23:39:16,803 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17)
[2023-12-19 23:39:16,808 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-19 23:39:16,808 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 23:39:16,809 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 23:39:16,809 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 23:39:16,812 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 23:39:16,813 INFO  L85        PathProgramCache]: Analyzing trace with hash -1021547899, now seen corresponding path program 1 times
[2023-12-19 23:39:16,818 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 23:39:16,819 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298625737]
[2023-12-19 23:39:16,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 23:39:16,819 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 23:39:16,897 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:16,933 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9
[2023-12-19 23:39:16,935 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:16,939 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 23:39:16,939 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 23:39:16,940 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298625737]
[2023-12-19 23:39:16,940 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298625737] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 23:39:16,940 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 23:39:16,940 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-19 23:39:16,941 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893984582]
[2023-12-19 23:39:16,942 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 23:39:16,944 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-19 23:39:16,945 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 23:39:16,961 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-19 23:39:16,961 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-19 23:39:16,963 INFO  L87              Difference]: Start difference. First operand  has 84 states, 56 states have (on average 1.5357142857142858) internal successors, (86), 67 states have internal predecessors, (86), 17 states have call successors, (17), 9 states have call predecessors, (17), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) 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)
[2023-12-19 23:39:17,021 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 23:39:17,021 INFO  L93              Difference]: Finished difference Result 166 states and 241 transitions.
[2023-12-19 23:39:17,023 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-19 23:39:17,024 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
[2023-12-19 23:39:17,024 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 23:39:17,029 INFO  L225             Difference]: With dead ends: 166
[2023-12-19 23:39:17,029 INFO  L226             Difference]: Without dead ends: 79
[2023-12-19 23:39:17,032 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
[2023-12-19 23:39:17,034 INFO  L413           NwaCegarLoop]: 97 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 23:39:17,035 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 23:39:17,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 79 states.
[2023-12-19 23:39:17,065 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79.
[2023-12-19 23:39:17,066 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 53 states have (on average 1.4339622641509433) internal successors, (76), 63 states have internal predecessors, (76), 17 states have call successors, (17), 9 states have call predecessors, (17), 8 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-19 23:39:17,068 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 109 transitions.
[2023-12-19 23:39:17,069 INFO  L78                 Accepts]: Start accepts. Automaton has 79 states and 109 transitions. Word has length 17
[2023-12-19 23:39:17,069 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 23:39:17,070 INFO  L495      AbstractCegarLoop]: Abstraction has 79 states and 109 transitions.
[2023-12-19 23:39:17,070 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)
[2023-12-19 23:39:17,070 INFO  L276                IsEmpty]: Start isEmpty. Operand 79 states and 109 transitions.
[2023-12-19 23:39:17,071 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-19 23:39:17,071 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 23:39:17,072 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-19 23:39:17,072 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-19 23:39:17,072 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 23:39:17,072 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 23:39:17,073 INFO  L85        PathProgramCache]: Analyzing trace with hash 159238146, now seen corresponding path program 1 times
[2023-12-19 23:39:17,073 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 23:39:17,073 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789107014]
[2023-12-19 23:39:17,073 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 23:39:17,073 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 23:39:17,085 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,131 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10
[2023-12-19 23:39:17,133 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,134 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 23:39:17,134 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 23:39:17,135 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789107014]
[2023-12-19 23:39:17,135 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789107014] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 23:39:17,135 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 23:39:17,135 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 23:39:17,135 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858873335]
[2023-12-19 23:39:17,135 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 23:39:17,136 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 23:39:17,136 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 23:39:17,137 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 23:39:17,137 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 23:39:17,137 INFO  L87              Difference]: Start difference. First operand 79 states and 109 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)
[2023-12-19 23:39:17,165 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 23:39:17,165 INFO  L93              Difference]: Finished difference Result 128 states and 176 transitions.
[2023-12-19 23:39:17,166 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 23:39:17,166 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
[2023-12-19 23:39:17,166 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 23:39:17,167 INFO  L225             Difference]: With dead ends: 128
[2023-12-19 23:39:17,167 INFO  L226             Difference]: Without dead ends: 71
[2023-12-19 23:39:17,168 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
[2023-12-19 23:39:17,168 INFO  L413           NwaCegarLoop]: 83 mSDtfsCounter, 14 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 23:39:17,169 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 150 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 23:39:17,171 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 71 states.
[2023-12-19 23:39:17,182 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71.
[2023-12-19 23:39:17,183 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 71 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 58 states have internal predecessors, (70), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 9 states have call predecessors, (14), 14 states have call successors, (14)
[2023-12-19 23:39:17,184 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 98 transitions.
[2023-12-19 23:39:17,184 INFO  L78                 Accepts]: Start accepts. Automaton has 71 states and 98 transitions. Word has length 18
[2023-12-19 23:39:17,184 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 23:39:17,184 INFO  L495      AbstractCegarLoop]: Abstraction has 71 states and 98 transitions.
[2023-12-19 23:39:17,184 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)
[2023-12-19 23:39:17,185 INFO  L276                IsEmpty]: Start isEmpty. Operand 71 states and 98 transitions.
[2023-12-19 23:39:17,185 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-19 23:39:17,185 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 23:39:17,185 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]
[2023-12-19 23:39:17,186 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-19 23:39:17,186 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 23:39:17,186 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 23:39:17,186 INFO  L85        PathProgramCache]: Analyzing trace with hash -1522283107, now seen corresponding path program 1 times
[2023-12-19 23:39:17,186 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 23:39:17,187 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864205871]
[2023-12-19 23:39:17,187 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 23:39:17,187 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 23:39:17,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,250 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13
[2023-12-19 23:39:17,252 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,256 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 23:39:17,256 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 23:39:17,257 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864205871]
[2023-12-19 23:39:17,257 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864205871] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 23:39:17,257 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 23:39:17,257 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-19 23:39:17,258 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300359416]
[2023-12-19 23:39:17,258 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 23:39:17,258 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-19 23:39:17,258 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 23:39:17,259 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-19 23:39:17,262 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-19 23:39:17,262 INFO  L87              Difference]: Start difference. First operand 71 states and 98 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)
[2023-12-19 23:39:17,330 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 23:39:17,331 INFO  L93              Difference]: Finished difference Result 209 states and 291 transitions.
[2023-12-19 23:39:17,331 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-19 23:39:17,331 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
[2023-12-19 23:39:17,331 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 23:39:17,332 INFO  L225             Difference]: With dead ends: 209
[2023-12-19 23:39:17,333 INFO  L226             Difference]: Without dead ends: 140
[2023-12-19 23:39:17,333 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
[2023-12-19 23:39:17,334 INFO  L413           NwaCegarLoop]: 94 mSDtfsCounter, 92 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 23:39:17,334 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 175 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 23:39:17,335 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 140 states.
[2023-12-19 23:39:17,346 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137.
[2023-12-19 23:39:17,347 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 137 states, 92 states have (on average 1.4673913043478262) internal successors, (135), 111 states have internal predecessors, (135), 28 states have call successors, (28), 16 states have call predecessors, (28), 16 states have return successors, (28), 17 states have call predecessors, (28), 28 states have call successors, (28)
[2023-12-19 23:39:17,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 191 transitions.
[2023-12-19 23:39:17,349 INFO  L78                 Accepts]: Start accepts. Automaton has 137 states and 191 transitions. Word has length 21
[2023-12-19 23:39:17,349 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 23:39:17,349 INFO  L495      AbstractCegarLoop]: Abstraction has 137 states and 191 transitions.
[2023-12-19 23:39:17,349 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)
[2023-12-19 23:39:17,349 INFO  L276                IsEmpty]: Start isEmpty. Operand 137 states and 191 transitions.
[2023-12-19 23:39:17,350 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-19 23:39:17,350 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 23:39:17,350 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]
[2023-12-19 23:39:17,351 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-19 23:39:17,351 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 23:39:17,351 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 23:39:17,351 INFO  L85        PathProgramCache]: Analyzing trace with hash 1698190122, now seen corresponding path program 1 times
[2023-12-19 23:39:17,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 23:39:17,352 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282777819]
[2023-12-19 23:39:17,352 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 23:39:17,352 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 23:39:17,362 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,420 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-12-19 23:39:17,422 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-19 23:39:17,424 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-19 23:39:17,424 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-12-19 23:39:17,424 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282777819]
[2023-12-19 23:39:17,424 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282777819] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-19 23:39:17,425 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-19 23:39:17,425 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-19 23:39:17,425 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325000984]
[2023-12-19 23:39:17,425 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-19 23:39:17,425 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-19 23:39:17,425 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-12-19 23:39:17,426 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-19 23:39:17,426 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-19 23:39:17,426 INFO  L87              Difference]: Start difference. First operand 137 states and 191 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)
[2023-12-19 23:39:17,515 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-19 23:39:17,515 INFO  L93              Difference]: Finished difference Result 399 states and 576 transitions.
[2023-12-19 23:39:17,516 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-19 23:39:17,516 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
[2023-12-19 23:39:17,516 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-19 23:39:17,525 INFO  L225             Difference]: With dead ends: 399
[2023-12-19 23:39:17,525 INFO  L226             Difference]: Without dead ends: 264
[2023-12-19 23:39:17,527 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
[2023-12-19 23:39:17,527 INFO  L413           NwaCegarLoop]: 79 mSDtfsCounter, 69 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-19 23:39:17,528 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 234 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-19 23:39:17,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 264 states.
[2023-12-19 23:39:17,559 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 262.
[2023-12-19 23:39:17,561 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 175 states have (on average 1.4342857142857144) internal successors, (251), 210 states have internal predecessors, (251), 56 states have call successors, (56), 32 states have call predecessors, (56), 30 states have return successors, (58), 32 states have call predecessors, (58), 56 states have call successors, (58)
[2023-12-19 23:39:17,563 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 365 transitions.
[2023-12-19 23:39:17,564 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 365 transitions. Word has length 24
[2023-12-19 23:39:17,564 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-19 23:39:17,564 INFO  L495      AbstractCegarLoop]: Abstraction has 262 states and 365 transitions.
[2023-12-19 23:39:17,564 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)
[2023-12-19 23:39:17,564 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 365 transitions.
[2023-12-19 23:39:17,566 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-19 23:39:17,567 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-19 23:39:17,567 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]
[2023-12-19 23:39:17,567 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-19 23:39:17,567 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-19 23:39:17,567 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-19 23:39:17,567 INFO  L85        PathProgramCache]: Analyzing trace with hash -378050800, now seen corresponding path program 1 times
[2023-12-19 23:39:17,568 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-12-19 23:39:17,568 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358966249]
[2023-12-19 23:39:17,568 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-19 23:39:17,568 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-19 23:39:17,593 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-19 23:39:17,594 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-19 23:39:17,600 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-19 23:39:17,615 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-12-19 23:39:17,615 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-19 23:39:17,616 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-19 23:39:17,617 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-19 23:39:17,619 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-19 23:39:17,622 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-19 23:39:17,664 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 11:39:17 BoogieIcfgContainer
[2023-12-19 23:39:17,664 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-19 23:39:17,664 INFO  L158              Benchmark]: Toolchain (without parser) took 1751.11ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 156.4MB in the beginning and 169.0MB in the end (delta: -12.6MB). Peak memory consumption was 81.0MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,665 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 207.6MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-12-19 23:39:17,665 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 349.76ms. Allocated memory is still 207.6MB. Free memory was 156.2MB in the beginning and 136.0MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,666 INFO  L158              Benchmark]: Boogie Procedure Inliner took 30.99ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 133.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,666 INFO  L158              Benchmark]: Boogie Preprocessor took 35.03ms. Allocated memory is still 207.6MB. Free memory was 133.5MB in the beginning and 131.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,667 INFO  L158              Benchmark]: RCFGBuilder took 418.99ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 131.0MB in the beginning and 257.6MB in the end (delta: -126.6MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,668 INFO  L158              Benchmark]: TraceAbstraction took 912.34ms. Allocated memory is still 299.9MB. Free memory was 257.1MB in the beginning and 169.0MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. Max. memory is 8.0GB.
[2023-12-19 23:39:17,669 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 207.6MB. Free memory is still 154.4MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 349.76ms. Allocated memory is still 207.6MB. Free memory was 156.2MB in the beginning and 136.0MB in the end (delta: 20.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 30.99ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 133.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 35.03ms. Allocated memory is still 207.6MB. Free memory was 133.5MB in the beginning and 131.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 418.99ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 131.0MB in the beginning and 257.6MB in the end (delta: -126.6MB). Peak memory consumption was 26.5MB. Max. memory is 8.0GB.
 * TraceAbstraction took 912.34ms. Allocated memory is still 299.9MB. Free memory was 257.1MB in the beginning and 169.0MB in the end (delta: 88.1MB). Peak memory consumption was 88.1MB. 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,"libacc.i","") [153]
  - GenericResultAtLocation [Line: 519]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [519]
  - GenericResultAtLocation [Line: 554]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [554]
  - GenericResultAtLocation [Line: 592]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [592]
  - GenericResultAtLocation [Line: 699]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [699]
  - GenericResultAtLocation [Line: 949]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [949]
  - GenericResultAtLocation [Line: 1018]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [1018]
 * 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: 1023]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L50]                int cleanupTimeShifts  =    4;
[L323]               static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L597]               int waterLevel  =    1;
[L598]               int methaneLevelCritical  =    0;
[L704]               int pumpRunning  =    0;
[L705]               int systemActive  =    1;
[L131]               int retValue_acc ;
[L132]               int tmp ;
[L136]   FCALL       select_helpers()
[L137]   FCALL       select_features()
[L138]   CALL, EXPR  valid_product()
[L546]               int retValue_acc ;
[L549]               retValue_acc = 1
[L550]               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()
[L951]               int splverifierCounter ;
[L952]               int tmp ;
[L953]               int tmp___0 ;
[L954]               int tmp___1 ;
[L955]               int tmp___2 ;
[L958]               splverifierCounter = 0
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L960]   COND TRUE   1
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L962]   COND TRUE   splverifierCounter < 4
[L968]               tmp = __VERIFIER_nondet_int()
[L970]   COND TRUE   \read(tmp)
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1]
[L972]   CALL        waterRise()
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L615]   COND TRUE   waterLevel < 2
[L616]               waterLevel = waterLevel + 1
         VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L972]   RET         waterRise()
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2]
[L978]               tmp___0 = __VERIFIER_nondet_int()
[L980]   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]
[L988]               tmp___2 = __VERIFIER_nondet_int()
[L990]   COND FALSE  !(\read(tmp___2))
[L996]               tmp___1 = __VERIFIER_nondet_int()
[L998]   COND TRUE   \read(tmp___1)
[L1000]  CALL        stopSystem()
[L930]   COND FALSE  !(\read(pumpRunning))
         VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L937]               systemActive = 0
[L1000]  RET         stopSystem()
[L1007]  CALL        timeShift()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L711]   COND FALSE  !(\read(pumpRunning))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L718]   COND FALSE  !(\read(systemActive))
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L726]   CALL        __utac_acc__Specification3_spec__1()
[L560]               int tmp ;
[L561]               int tmp___0 ;
[L562]               int tmp___1 ;
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L566]   CALL, EXPR  isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L636]               int retValue_acc ;
[L639]               retValue_acc = methaneLevelCritical
[L640]               return (retValue_acc);
[L566]   RET, EXPR   isMethaneLevelCritical()
         VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L566]               tmp = isMethaneLevelCritical()
[L568]   COND FALSE  !(\read(tmp))
[L572]   CALL, EXPR  getWaterLevel()
[L668]               int retValue_acc ;
[L671]               retValue_acc = waterLevel
[L672]               return (retValue_acc);
[L572]   RET, EXPR   getWaterLevel()
[L572]               tmp___0 = getWaterLevel()
[L574]   COND TRUE   tmp___0 == 2
[L576]   CALL, EXPR  isPumpRunning()
[L844]               int retValue_acc ;
[L847]               retValue_acc = pumpRunning
[L848]               return (retValue_acc);
[L576]   RET, EXPR   isPumpRunning()
[L576]               tmp___1 = isPumpRunning()
[L578]   COND FALSE  !(\read(tmp___1))
[L582]   CALL        __automaton_fail()
[L1023]              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 10 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 179 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 175 mSDsluCounter, 656 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 303 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 137 IncrementalHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 353 mSDtfsCounter, 137 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=262occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.2s 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!
[2023-12-19 23:39:17,695 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...