/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_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-25 06:02:44,467 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 06:02:44,544 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-25 06:02:44,551 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 06:02:44,552 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 06:02:44,586 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 06:02:44,587 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 06:02:44,587 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 06:02:44,588 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 06:02:44,591 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 06:02:44,592 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 06:02:44,592 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 06:02:44,592 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 06:02:44,594 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 06:02:44,594 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 06:02:44,594 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 06:02:44,594 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 06:02:44,595 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-25 06:02:44,595 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-25 06:02:44,595 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 06:02:44,595 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 06:02:44,596 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 06:02:44,596 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 06:02:44,596 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-25 06:02:44,596 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-25 06:02:44,596 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 06:02:44,597 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-25 06:02:44,597 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-25 06:02:44,597 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 06:02:44,597 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 06:02:44,598 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 06:02:44,598 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 06:02:44,598 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 06:02:44,599 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 06:02:44,599 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:44,599 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 06:02:44,599 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 06:02:44,599 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 06:02:44,600 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-25 06:02:44,600 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-25 06:02:44,600 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 06:02:44,600 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 06:02:44,601 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 06:02:44,601 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 06:02:44,601 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 06:02:44,601 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-25 06:02:44,601 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-25 06:02:44,831 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 06:02:44,850 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 06:02:44,852 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 06:02:44,853 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 06:02:44,856 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 06:02:44,858 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c
[2023-12-25 06:02:46,116 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 06:02:46,409 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 06:02:46,409 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product43.cil.c
[2023-12-25 06:02:46,422 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51a126d0/31de4266a2e6449d93d7e48724d753d7/FLAG94e580026
[2023-12-25 06:02:46,438 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e51a126d0/31de4266a2e6449d93d7e48724d753d7
[2023-12-25 06:02:46,440 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 06:02:46,441 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 06:02:46,442 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:46,442 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 06:02:46,447 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 06:02:46,447 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:46,448 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76abfe19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46, skipping insertion in model container
[2023-12-25 06:02:46,448 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:46,499 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:46,660 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_product43.cil.c[2897,2910]
[2023-12-25 06:02:46,736 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:46,751 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-25 06:02:46,767 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:46,782 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_product43.cil.c[2897,2910]
[2023-12-25 06:02:46,857 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:46,866 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 06:02:46,877 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [49]
[2023-12-25 06:02:46,878 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [153]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [162]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [199]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [565]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791]
[2023-12-25 06:02:46,879 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [858]
[2023-12-25 06:02:46,897 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_product43.cil.c[2897,2910]
[2023-12-25 06:02:46,940 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:46,957 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 06:02:46,958 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46 WrapperNode
[2023-12-25 06:02:46,958 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:46,960 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:46,960 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 06:02:46,960 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 06:02:46,966 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:46,981 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,004 INFO  L138                Inliner]: procedures = 56, calls = 98, calls flagged for inlining = 24, calls inlined = 21, statements flattened = 188
[2023-12-25 06:02:47,005 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:47,005 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 06:02:47,005 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 06:02:47,006 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 06:02:47,015 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,015 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,023 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,054 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].
[2023-12-25 06:02:47,054 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,054 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,063 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,066 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,077 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,078 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,080 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 06:02:47,081 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 06:02:47,081 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 06:02:47,081 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 06:02:47,082 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (1/1) ...
[2023-12-25 06:02:47,094 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:47,104 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 06:02:47,117 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)
[2023-12-25 06:02:47,119 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
[2023-12-25 06:02:47,139 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 06:02:47,139 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:47,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:47,140 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-25 06:02:47,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-25 06:02:47,140 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-25 06:02:47,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-25 06:02:47,140 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-25 06:02:47,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-25 06:02:47,140 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-25 06:02:47,140 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-25 06:02:47,141 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-25 06:02:47,141 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-25 06:02:47,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-25 06:02:47,141 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 06:02:47,141 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 06:02:47,215 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 06:02:47,217 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 06:02:47,524 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 06:02:47,623 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 06:02:47,623 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-25 06:02:47,623 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:47 BoogieIcfgContainer
[2023-12-25 06:02:47,624 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 06:02:47,626 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 06:02:47,626 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 06:02:47,629 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 06:02:47,629 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:46" (1/3) ...
[2023-12-25 06:02:47,630 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e445a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:47, skipping insertion in model container
[2023-12-25 06:02:47,630 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:46" (2/3) ...
[2023-12-25 06:02:47,630 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71e445a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:47, skipping insertion in model container
[2023-12-25 06:02:47,630 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:47" (3/3) ...
[2023-12-25 06:02:47,632 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product43.cil.c
[2023-12-25 06:02:47,647 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 06:02:47,647 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 06:02:47,689 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 06:02:47,693 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;@68841d80, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 06:02:47,693 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 06:02:47,696 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 65 states, 47 states have (on average 1.553191489361702) internal successors, (73), 53 states have internal predecessors, (73), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10)
[2023-12-25 06:02:47,703 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-25 06:02:47,703 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:47,704 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 06:02:47,704 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:47,708 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:47,709 INFO  L85        PathProgramCache]: Analyzing trace with hash 872632701, now seen corresponding path program 1 times
[2023-12-25 06:02:47,719 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:47,720 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1623703846]
[2023-12-25 06:02:47,720 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:47,720 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:47,720 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:47,721 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:47,723 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-25 06:02:47,839 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:47,841 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-25 06:02:47,845 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:47,867 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:47,867 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:47,868 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:47,868 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1623703846]
[2023-12-25 06:02:47,869 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1623703846] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:47,869 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:47,869 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:02:47,871 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255750479]
[2023-12-25 06:02:47,872 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:47,876 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-25 06:02:47,876 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:47,902 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-25 06:02:47,903 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-25 06:02:47,906 INFO  L87              Difference]: Start difference. First operand  has 65 states, 47 states have (on average 1.553191489361702) internal successors, (73), 53 states have internal predecessors, (73), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:47,971 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:47,972 INFO  L93              Difference]: Finished difference Result 128 states and 187 transitions.
[2023-12-25 06:02:47,973 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-25 06:02:47,974 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), 1 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
[2023-12-25 06:02:47,975 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:47,983 INFO  L225             Difference]: With dead ends: 128
[2023-12-25 06:02:47,983 INFO  L226             Difference]: Without dead ends: 60
[2023-12-25 06:02:47,987 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-25 06:02:47,991 INFO  L413           NwaCegarLoop]: 73 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, 73 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
[2023-12-25 06:02:47,993 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 73 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:48,007 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2023-12-25 06:02:48,031 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2023-12-25 06:02:48,032 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 60 states, 44 states have (on average 1.4318181818181819) internal successors, (63), 49 states have internal predecessors, (63), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-12-25 06:02:48,039 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 82 transitions.
[2023-12-25 06:02:48,041 INFO  L78                 Accepts]: Start accepts. Automaton has 60 states and 82 transitions. Word has length 17
[2023-12-25 06:02:48,041 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:48,041 INFO  L495      AbstractCegarLoop]: Abstraction has 60 states and 82 transitions.
[2023-12-25 06:02:48,042 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:48,042 INFO  L276                IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions.
[2023-12-25 06:02:48,046 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 06:02:48,046 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:48,046 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-25 06:02:48,053 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-25 06:02:48,253 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:48,253 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:48,254 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:48,254 INFO  L85        PathProgramCache]: Analyzing trace with hash -1082213181, now seen corresponding path program 1 times
[2023-12-25 06:02:48,255 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:48,255 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1120265971]
[2023-12-25 06:02:48,255 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:48,255 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:48,255 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:48,256 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:48,282 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-25 06:02:48,316 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:48,319 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:48,322 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:48,347 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:48,347 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:48,347 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:48,347 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1120265971]
[2023-12-25 06:02:48,348 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1120265971] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:48,348 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:48,348 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:48,348 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617344181]
[2023-12-25 06:02:48,348 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:48,349 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:48,349 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:48,350 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:48,350 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:48,350 INFO  L87              Difference]: Start difference. First operand 60 states and 82 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:48,386 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:48,386 INFO  L93              Difference]: Finished difference Result 91 states and 124 transitions.
[2023-12-25 06:02:48,386 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:48,387 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), 1 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
[2023-12-25 06:02:48,387 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:48,388 INFO  L225             Difference]: With dead ends: 91
[2023-12-25 06:02:48,388 INFO  L226             Difference]: Without dead ends: 52
[2023-12-25 06:02:48,388 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:48,398 INFO  L413           NwaCegarLoop]: 59 mSDtfsCounter, 14 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:48,399 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 103 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:48,399 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 52 states.
[2023-12-25 06:02:48,403 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52.
[2023-12-25 06:02:48,403 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 52 states, 39 states have (on average 1.4615384615384615) internal successors, (57), 44 states have internal predecessors, (57), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7)
[2023-12-25 06:02:48,403 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions.
[2023-12-25 06:02:48,404 INFO  L78                 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 18
[2023-12-25 06:02:48,404 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:48,404 INFO  L495      AbstractCegarLoop]: Abstraction has 52 states and 71 transitions.
[2023-12-25 06:02:48,404 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), 1 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:48,404 INFO  L276                IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions.
[2023-12-25 06:02:48,405 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-25 06:02:48,405 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:48,405 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]
[2023-12-25 06:02:48,410 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2023-12-25 06:02:48,605 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:48,606 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:48,606 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:48,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 1333161072, now seen corresponding path program 1 times
[2023-12-25 06:02:48,607 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:48,607 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113653035]
[2023-12-25 06:02:48,607 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:48,607 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:48,607 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:48,608 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:48,613 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-25 06:02:48,655 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:48,656 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:48,657 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:48,688 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:48,688 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:48,689 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:48,692 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1113653035]
[2023-12-25 06:02:48,692 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1113653035] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:48,692 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:48,692 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:02:48,692 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33232508]
[2023-12-25 06:02:48,693 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:48,694 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:48,694 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:48,695 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:48,695 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:48,695 INFO  L87              Difference]: Start difference. First operand 52 states and 71 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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)
[2023-12-25 06:02:48,763 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:48,764 INFO  L93              Difference]: Finished difference Result 152 states and 210 transitions.
[2023-12-25 06:02:48,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:48,765 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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
[2023-12-25 06:02:48,765 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:48,766 INFO  L225             Difference]: With dead ends: 152
[2023-12-25 06:02:48,766 INFO  L226             Difference]: Without dead ends: 102
[2023-12-25 06:02:48,767 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:48,768 INFO  L413           NwaCegarLoop]: 68 mSDtfsCounter, 58 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:48,768 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 125 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-25 06:02:48,769 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2023-12-25 06:02:48,793 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 98.
[2023-12-25 06:02:48,793 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 98 states, 73 states have (on average 1.4657534246575343) internal successors, (107), 82 states have internal predecessors, (107), 14 states have call successors, (14), 10 states have call predecessors, (14), 10 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14)
[2023-12-25 06:02:48,794 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 135 transitions.
[2023-12-25 06:02:48,794 INFO  L78                 Accepts]: Start accepts. Automaton has 98 states and 135 transitions. Word has length 21
[2023-12-25 06:02:48,795 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:48,795 INFO  L495      AbstractCegarLoop]: Abstraction has 98 states and 135 transitions.
[2023-12-25 06:02:48,795 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 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)
[2023-12-25 06:02:48,795 INFO  L276                IsEmpty]: Start isEmpty. Operand 98 states and 135 transitions.
[2023-12-25 06:02:48,796 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-25 06:02:48,796 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:48,796 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]
[2023-12-25 06:02:48,811 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0
[2023-12-25 06:02:48,998 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:48,998 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:48,999 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:48,999 INFO  L85        PathProgramCache]: Analyzing trace with hash 1480022511, now seen corresponding path program 1 times
[2023-12-25 06:02:48,999 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:48,999 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [51880384]
[2023-12-25 06:02:48,999 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:48,999 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:49,000 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:49,003 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:49,004 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-25 06:02:49,041 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:49,043 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-25 06:02:49,044 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:49,113 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-25 06:02:49,113 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:49,113 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:49,116 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [51880384]
[2023-12-25 06:02:49,116 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [51880384] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:49,116 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:49,116 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:49,116 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598244488]
[2023-12-25 06:02:49,117 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:49,119 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 06:02:49,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:49,120 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 06:02:49,120 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 06:02:49,121 INFO  L87              Difference]: Start difference. First operand 98 states and 135 transitions. Second operand  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:49,218 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:49,218 INFO  L93              Difference]: Finished difference Result 282 states and 400 transitions.
[2023-12-25 06:02:49,218 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 06:02:49,219 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 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
[2023-12-25 06:02:49,219 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:49,224 INFO  L225             Difference]: With dead ends: 282
[2023-12-25 06:02:49,225 INFO  L226             Difference]: Without dead ends: 186
[2023-12-25 06:02:49,230 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-25 06:02:49,231 INFO  L413           NwaCegarLoop]: 55 mSDtfsCounter, 40 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 162 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-25 06:02:49,231 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 162 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-25 06:02:49,232 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 186 states.
[2023-12-25 06:02:49,252 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 184.
[2023-12-25 06:02:49,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 184 states, 137 states have (on average 1.4233576642335766) internal successors, (195), 152 states have internal predecessors, (195), 28 states have call successors, (28), 20 states have call predecessors, (28), 18 states have return successors, (30), 22 states have call predecessors, (30), 28 states have call successors, (30)
[2023-12-25 06:02:49,254 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 253 transitions.
[2023-12-25 06:02:49,255 INFO  L78                 Accepts]: Start accepts. Automaton has 184 states and 253 transitions. Word has length 24
[2023-12-25 06:02:49,255 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:49,255 INFO  L495      AbstractCegarLoop]: Abstraction has 184 states and 253 transitions.
[2023-12-25 06:02:49,255 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-25 06:02:49,255 INFO  L276                IsEmpty]: Start isEmpty. Operand 184 states and 253 transitions.
[2023-12-25 06:02:49,257 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-25 06:02:49,257 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:49,257 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]
[2023-12-25 06:02:49,264 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2023-12-25 06:02:49,460 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:49,460 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:49,460 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:49,461 INFO  L85        PathProgramCache]: Analyzing trace with hash -498600043, now seen corresponding path program 1 times
[2023-12-25 06:02:49,461 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:49,461 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [316341957]
[2023-12-25 06:02:49,461 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:49,461 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:49,462 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:49,463 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-25 06:02:49,476 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-25 06:02:49,507 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:49,507 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-25 06:02:49,527 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:49,553 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-25 06:02:49,553 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-25 06:02:49,554 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 06:02:49,566 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0
[2023-12-25 06:02:49,758 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-25 06:02:49,761 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-25 06:02:49,764 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 06:02:49,797 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:49 BoogieIcfgContainer
[2023-12-25 06:02:49,798 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 06:02:49,798 INFO  L158              Benchmark]: Toolchain (without parser) took 3357.13ms. Allocated memory is still 325.1MB. Free memory was 272.3MB in the beginning and 190.7MB in the end (delta: 81.6MB). Peak memory consumption was 81.7MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,798 INFO  L158              Benchmark]: CDTParser took 0.52ms. Allocated memory is still 207.6MB. Free memory was 157.5MB in the beginning and 157.4MB in the end (delta: 129.1kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 06:02:49,799 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 516.33ms. Allocated memory is still 325.1MB. Free memory was 272.0MB in the beginning and 246.3MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,799 INFO  L158              Benchmark]: Boogie Procedure Inliner took 45.21ms. Allocated memory is still 325.1MB. Free memory was 246.3MB in the beginning and 244.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,799 INFO  L158              Benchmark]: Boogie Preprocessor took 75.02ms. Allocated memory is still 325.1MB. Free memory was 244.0MB in the beginning and 241.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,800 INFO  L158              Benchmark]: RCFGBuilder took 542.60ms. Allocated memory is still 325.1MB. Free memory was 241.6MB in the beginning and 276.2MB in the end (delta: -34.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,800 INFO  L158              Benchmark]: TraceAbstraction took 2171.98ms. Allocated memory is still 325.1MB. Free memory was 275.7MB in the beginning and 190.7MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. Max. memory is 8.0GB.
[2023-12-25 06:02:49,801 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.52ms. Allocated memory is still 207.6MB. Free memory was 157.5MB in the beginning and 157.4MB in the end (delta: 129.1kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 516.33ms. Allocated memory is still 325.1MB. Free memory was 272.0MB in the beginning and 246.3MB in the end (delta: 25.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 45.21ms. Allocated memory is still 325.1MB. Free memory was 246.3MB in the beginning and 244.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 75.02ms. Allocated memory is still 325.1MB. Free memory was 244.0MB in the beginning and 241.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 542.60ms. Allocated memory is still 325.1MB. Free memory was 241.6MB in the beginning and 276.2MB in the end (delta: -34.6MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2171.98ms. Allocated memory is still 325.1MB. Free memory was 275.7MB in the beginning and 190.7MB in the end (delta: 84.9MB). Peak memory consumption was 84.9MB. 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,"wsllib_check.i","") [153]
  - GenericResultAtLocation [Line: 162]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [162]
  - GenericResultAtLocation [Line: 199]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [199]
  - GenericResultAtLocation [Line: 565]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [565]
  - GenericResultAtLocation [Line: 600]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [600]
  - GenericResultAtLocation [Line: 791]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [791]
  - GenericResultAtLocation [Line: 858]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [858]
 * 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: 158]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L50]               int cleanupTimeShifts  =    4;
[L369]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L607]              int pumpRunning  =    0;
[L608]              int systemActive  =    1;
[L859]              int waterLevel  =    1;
[L860]              int methaneLevelCritical  =    0;
[L131]              int retValue_acc ;
[L132]              int tmp ;
[L136]  FCALL       select_helpers()
[L137]  FCALL       select_features()
[L138]  CALL, EXPR  valid_product()
[L592]              int retValue_acc ;
[L595]              retValue_acc = 1
[L596]              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()
[L793]              int splverifierCounter ;
[L794]              int tmp ;
[L795]              int tmp___0 ;
[L796]              int tmp___1 ;
[L797]              int tmp___2 ;
[L800]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L802]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L804]  COND TRUE   splverifierCounter < 4
[L810]              tmp = __VERIFIER_nondet_int()
[L812]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L814]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L877]  COND TRUE   waterLevel < 2
[L878]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L814]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L820]              tmp___0 = __VERIFIER_nondet_int()
[L822]  COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, tmp___0=0, waterLevel=2]
[L830]              tmp___2 = __VERIFIER_nondet_int()
[L832]  COND FALSE  !(\read(tmp___2))
[L836]              tmp___1 = __VERIFIER_nondet_int()
[L838]  COND TRUE   \read(tmp___1)
[L840]  CALL        stopSystem()
[L780]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L787]              systemActive = 0
[L840]  RET         stopSystem()
[L847]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L614]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L621]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L629]  CALL        __utac_acc__Specification3_spec__1()
[L167]              int tmp ;
[L168]              int tmp___0 ;
[L169]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L173]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L898]              int retValue_acc ;
[L901]              retValue_acc = methaneLevelCritical
[L902]              return (retValue_acc);
[L173]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L173]              tmp = isMethaneLevelCritical()
[L175]  COND FALSE  !(\read(tmp))
[L179]  CALL, EXPR  getWaterLevel()
[L930]              int retValue_acc ;
[L933]              retValue_acc = waterLevel
[L934]              return (retValue_acc);
[L179]  RET, EXPR   getWaterLevel()
[L179]              tmp___0 = getWaterLevel()
[L181]  COND TRUE   tmp___0 == 2
[L183]  CALL, EXPR  isPumpRunning()
[L713]              int retValue_acc ;
[L716]              retValue_acc = pumpRunning
[L717]              return (retValue_acc);
[L183]  RET, EXPR   isPumpRunning()
[L183]              tmp___1 = isPumpRunning()
[L185]  COND FALSE  !(\read(tmp___1))
[L189]  CALL        __automaton_fail()
[L158]              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, 65 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 112 mSDsluCounter, 463 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 115 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 255 mSDtfsCounter, 115 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=184occurred 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, 6 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, 144 SizeOfPredicates, 3 NumberOfNonLiveVariables, 312 ConjunctsInSsa, 11 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!
[2023-12-25 06:02:49,820 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...