/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_product31.cil.c


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


This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m
[2023-12-16 17:40:43,216 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-16 17:40:43,282 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2023-12-16 17:40:43,284 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-16 17:40:43,285 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-16 17:40:43,329 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-16 17:40:43,330 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-16 17:40:43,330 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-16 17:40:43,331 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-16 17:40:43,331 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-16 17:40:43,331 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-16 17:40:43,331 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-16 17:40:43,332 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-16 17:40:43,332 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-16 17:40:43,332 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-16 17:40:43,332 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-16 17:40:43,333 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-16 17:40:43,333 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-16 17:40:43,333 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-16 17:40:43,333 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-16 17:40:43,333 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-16 17:40:43,334 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-16 17:40:43,334 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-16 17:40:43,334 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-16 17:40:43,334 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-16 17:40:43,335 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-16 17:40:43,335 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-16 17:40:43,335 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-16 17:40:43,335 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-16 17:40:43,335 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-16 17:40:43,335 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-16 17:40:43,336 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-16 17:40:43,336 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-16 17:40:43,336 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-16 17:40:43,336 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:43,336 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-16 17:40:43,336 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-16 17:40:43,337 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-16 17:40:43,338 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-16 17:40:43,543 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-16 17:40:43,571 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-16 17:40:43,573 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-16 17:40:43,574 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-16 17:40:43,574 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-16 17:40:43,575 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-16 17:40:44,690 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-16 17:40:44,866 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-16 17:40:44,866 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-16 17:40:44,873 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1318b6e/d13bdd4d45524832bb57fe5e81a43510/FLAGe4f7f6a0b
[2023-12-16 17:40:44,882 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1318b6e/d13bdd4d45524832bb57fe5e81a43510
[2023-12-16 17:40:44,883 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-16 17:40:44,884 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-16 17:40:44,885 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:44,885 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-16 17:40:44,902 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-16 17:40:44,903 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:44" (1/1) ...
[2023-12-16 17:40:44,903 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adcc507 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:44, skipping insertion in model container
[2023-12-16 17:40:44,903 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.12 05:40:44" (1/1) ...
[2023-12-16 17:40:44,943 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:45,047 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_product31.cil.c[2984,2997]
[2023-12-16 17:40:45,132 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:45,144 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-16 17:40:45,150 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-16 17:40:45,155 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_product31.cil.c[2984,2997]
[2023-12-16 17:40:45,192 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:45,195 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-16 17:40:45,201 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
[2023-12-16 17:40:45,202 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839]
[2023-12-16 17:40:45,203 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877]
[2023-12-16 17:40:45,208 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_product31.cil.c[2984,2997]
[2023-12-16 17:40:45,237 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-16 17:40:45,249 INFO  L206         MainTranslator]: Completed translation
[2023-12-16 17:40:45,250 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45 WrapperNode
[2023-12-16 17:40:45,250 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-16 17:40:45,251 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:45,251 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-16 17:40:45,251 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-16 17:40:45,255 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,265 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,280 INFO  L138                Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 175
[2023-12-16 17:40:45,280 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-16 17:40:45,281 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-16 17:40:45,281 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-16 17:40:45,281 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-16 17:40:45,288 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,288 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,290 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,308 INFO  L175           MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2023-12-16 17:40:45,309 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,309 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,312 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,315 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,316 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,316 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,318 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-16 17:40:45,318 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-16 17:40:45,319 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-16 17:40:45,319 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-16 17:40:45,319 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (1/1) ...
[2023-12-16 17:40:45,322 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-16 17:40:45,330 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-16 17:40:45,431 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-12-16 17:40:45,452 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-12-16 17:40:45,470 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-16 17:40:45,470 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-16 17:40:45,471 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 17:40:45,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-12-16 17:40:45,472 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-12-16 17:40:45,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-12-16 17:40:45,472 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-16 17:40:45,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-16 17:40:45,472 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-16 17:40:45,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-16 17:40:45,472 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-16 17:40:45,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-16 17:40:45,528 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-16 17:40:45,530 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-16 17:40:45,741 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-16 17:40:45,793 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-16 17:40:45,794 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-16 17:40:45,794 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:45 BoogieIcfgContainer
[2023-12-16 17:40:45,794 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-16 17:40:45,795 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-16 17:40:45,795 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-16 17:40:45,797 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-16 17:40:45,797 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.12 05:40:44" (1/3) ...
[2023-12-16 17:40:45,798 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ccf0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:45, skipping insertion in model container
[2023-12-16 17:40:45,798 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.12 05:40:45" (2/3) ...
[2023-12-16 17:40:45,798 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67ccf0b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.12 05:40:45, skipping insertion in model container
[2023-12-16 17:40:45,798 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.12 05:40:45" (3/3) ...
[2023-12-16 17:40:45,799 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31.cil.c
[2023-12-16 17:40:45,810 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-16 17:40:45,811 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-16 17:40:45,851 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-16 17:40:45,856 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;@36f13b89, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-16 17:40:45,856 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-16 17:40:45,860 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16)
[2023-12-16 17:40:45,866 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-16 17:40:45,866 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:45,867 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:45,867 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:45,870 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:45,871 INFO  L85        PathProgramCache]: Analyzing trace with hash 889899055, now seen corresponding path program 1 times
[2023-12-16 17:40:45,881 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:45,881 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184613820]
[2023-12-16 17:40:45,881 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:45,881 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
[2023-12-16 17:40:45,882 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:45,883 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)
[2023-12-16 17:40:45,884 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
[2023-12-16 17:40:45,973 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:45,978 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-16 17:40:45,981 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:46,000 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:46,001 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:46,001 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:46,001 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [184613820]
[2023-12-16 17:40:46,002 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [184613820] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:46,002 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:46,002 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:46,003 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549668817]
[2023-12-16 17:40:46,004 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:46,007 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-16 17:40:46,007 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:46,032 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-16 17:40:46,032 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-16 17:40:46,034 INFO  L87              Difference]: Start difference. First operand  has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) 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)
[2023-12-16 17:40:46,091 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:46,092 INFO  L93              Difference]: Finished difference Result 152 states and 217 transitions.
[2023-12-16 17:40:46,093 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-16 17:40:46,094 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
[2023-12-16 17:40:46,095 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:46,100 INFO  L225             Difference]: With dead ends: 152
[2023-12-16 17:40:46,100 INFO  L226             Difference]: Without dead ends: 72
[2023-12-16 17:40:46,102 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
[2023-12-16 17:40:46,105 INFO  L413           NwaCegarLoop]: 88 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, 88 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
[2023-12-16 17:40:46,106 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:46,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2023-12-16 17:40:46,129 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2023-12-16 17:40:46,130 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15)
[2023-12-16 17:40:46,132 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions.
[2023-12-16 17:40:46,132 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17
[2023-12-16 17:40:46,133 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:46,133 INFO  L495      AbstractCegarLoop]: Abstraction has 72 states and 97 transitions.
[2023-12-16 17:40:46,133 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)
[2023-12-16 17:40:46,133 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions.
[2023-12-16 17:40:46,134 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-16 17:40:46,134 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:46,134 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:46,139 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 (2)] Ended with exit code 0
[2023-12-16 17:40:46,337 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
[2023-12-16 17:40:46,339 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:46,340 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:46,340 INFO  L85        PathProgramCache]: Analyzing trace with hash 1969211536, now seen corresponding path program 1 times
[2023-12-16 17:40:46,340 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:46,340 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1939584591]
[2023-12-16 17:40:46,340 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:46,341 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
[2023-12-16 17:40:46,341 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:46,349 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)
[2023-12-16 17:40:46,350 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
[2023-12-16 17:40:46,421 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:46,423 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:46,430 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:46,453 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:46,454 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:46,454 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:46,458 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1939584591]
[2023-12-16 17:40:46,458 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1939584591] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:46,458 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:46,458 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:46,459 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884860808]
[2023-12-16 17:40:46,459 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:46,460 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:46,460 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:46,460 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:46,460 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:46,461 INFO  L87              Difference]: Start difference. First operand 72 states and 97 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)
[2023-12-16 17:40:46,497 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:46,498 INFO  L93              Difference]: Finished difference Result 114 states and 152 transitions.
[2023-12-16 17:40:46,498 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:46,498 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
[2023-12-16 17:40:46,498 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:46,503 INFO  L225             Difference]: With dead ends: 114
[2023-12-16 17:40:46,504 INFO  L226             Difference]: Without dead ends: 64
[2023-12-16 17:40:46,504 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
[2023-12-16 17:40:46,505 INFO  L413           NwaCegarLoop]: 74 mSDtfsCounter, 14 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 131 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:46,516 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 131 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:46,517 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-12-16 17:40:46,521 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-12-16 17:40:46,522 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13)
[2023-12-16 17:40:46,522 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions.
[2023-12-16 17:40:46,522 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18
[2023-12-16 17:40:46,523 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:46,523 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 86 transitions.
[2023-12-16 17:40:46,523 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)
[2023-12-16 17:40:46,523 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions.
[2023-12-16 17:40:46,524 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-16 17:40:46,524 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:46,524 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:46,529 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
[2023-12-16 17:40:46,724 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
[2023-12-16 17:40:46,725 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:46,725 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:46,725 INFO  L85        PathProgramCache]: Analyzing trace with hash 128374679, now seen corresponding path program 1 times
[2023-12-16 17:40:46,725 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:46,726 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385714035]
[2023-12-16 17:40:46,726 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:46,726 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
[2023-12-16 17:40:46,726 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:46,727 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)
[2023-12-16 17:40:46,753 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
[2023-12-16 17:40:46,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:46,764 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-16 17:40:46,765 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:46,782 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:46,782 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:46,783 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:46,783 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385714035]
[2023-12-16 17:40:46,783 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1385714035] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:46,783 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:46,783 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-16 17:40:46,783 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906984404]
[2023-12-16 17:40:46,783 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:46,783 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-16 17:40:46,784 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:46,784 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-16 17:40:46,784 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-16 17:40:46,784 INFO  L87              Difference]: Start difference. First operand 64 states and 86 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)
[2023-12-16 17:40:46,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:46,838 INFO  L93              Difference]: Finished difference Result 188 states and 255 transitions.
[2023-12-16 17:40:46,839 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-16 17:40:46,839 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
[2023-12-16 17:40:46,839 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:46,840 INFO  L225             Difference]: With dead ends: 188
[2023-12-16 17:40:46,841 INFO  L226             Difference]: Without dead ends: 126
[2023-12-16 17:40:46,841 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
[2023-12-16 17:40:46,842 INFO  L413           NwaCegarLoop]: 84 mSDtfsCounter, 73 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:46,854 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 156 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-16 17:40:46,855 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2023-12-16 17:40:46,869 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123.
[2023-12-16 17:40:46,869 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 123 states, 80 states have (on average 1.4375) internal successors, (115), 95 states have internal predecessors, (115), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26)
[2023-12-16 17:40:46,870 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions.
[2023-12-16 17:40:46,870 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 21
[2023-12-16 17:40:46,870 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:46,870 INFO  L495      AbstractCegarLoop]: Abstraction has 123 states and 167 transitions.
[2023-12-16 17:40:46,871 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)
[2023-12-16 17:40:46,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions.
[2023-12-16 17:40:46,871 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-16 17:40:46,872 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:46,872 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:46,882 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
[2023-12-16 17:40:47,072 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
[2023-12-16 17:40:47,075 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:47,075 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:47,075 INFO  L85        PathProgramCache]: Analyzing trace with hash -1081915056, now seen corresponding path program 1 times
[2023-12-16 17:40:47,076 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:47,076 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1835540904]
[2023-12-16 17:40:47,076 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:47,076 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
[2023-12-16 17:40:47,076 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:47,088 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)
[2023-12-16 17:40:47,091 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
[2023-12-16 17:40:47,121 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-16 17:40:47,122 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-16 17:40:47,124 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-16 17:40:47,206 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-16 17:40:47,206 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-16 17:40:47,206 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-16 17:40:47,206 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1835540904]
[2023-12-16 17:40:47,207 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1835540904] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-16 17:40:47,207 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-16 17:40:47,207 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-16 17:40:47,207 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441663495]
[2023-12-16 17:40:47,207 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-16 17:40:47,208 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-16 17:40:47,208 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-16 17:40:47,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-16 17:40:47,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-16 17:40:47,208 INFO  L87              Difference]: Start difference. First operand 123 states and 167 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)
[2023-12-16 17:40:47,290 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-16 17:40:47,290 INFO  L93              Difference]: Finished difference Result 357 states and 496 transitions.
[2023-12-16 17:40:47,291 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-16 17:40:47,291 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
[2023-12-16 17:40:47,291 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-16 17:40:47,297 INFO  L225             Difference]: With dead ends: 357
[2023-12-16 17:40:47,297 INFO  L226             Difference]: Without dead ends: 236
[2023-12-16 17:40:47,315 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
[2023-12-16 17:40:47,316 INFO  L413           NwaCegarLoop]: 71 mSDtfsCounter, 56 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-16 17:40:47,316 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 211 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-16 17:40:47,317 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 236 states.
[2023-12-16 17:40:47,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234.
[2023-12-16 17:40:47,369 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 234 states, 151 states have (on average 1.4105960264900663) internal successors, (213), 178 states have internal predecessors, (213), 52 states have call successors, (52), 32 states have call predecessors, (52), 30 states have return successors, (54), 32 states have call predecessors, (54), 52 states have call successors, (54)
[2023-12-16 17:40:47,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions.
[2023-12-16 17:40:47,372 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 24
[2023-12-16 17:40:47,372 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-16 17:40:47,372 INFO  L495      AbstractCegarLoop]: Abstraction has 234 states and 319 transitions.
[2023-12-16 17:40:47,373 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)
[2023-12-16 17:40:47,373 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions.
[2023-12-16 17:40:47,378 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-16 17:40:47,378 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-16 17:40:47,378 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-16 17:40:47,382 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 (5)] Forceful destruction successful, exit code 0
[2023-12-16 17:40:47,578 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
[2023-12-16 17:40:47,578 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-16 17:40:47,579 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-16 17:40:47,579 INFO  L85        PathProgramCache]: Analyzing trace with hash -1856879050, now seen corresponding path program 1 times
[2023-12-16 17:40:47,579 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-16 17:40:47,579 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1354660960]
[2023-12-16 17:40:47,579 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-16 17:40:47,579 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
[2023-12-16 17:40:47,580 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-16 17:40:47,581 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)
[2023-12-16 17:40:47,585 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
[2023-12-16 17:40:47,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:47,644 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-16 17:40:47,659 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-16 17:40:47,700 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-16 17:40:47,701 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-16 17:40:47,701 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-16 17:40:47,713 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
[2023-12-16 17:40:47,909 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
[2023-12-16 17:40:47,911 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-16 17:40:47,913 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-16 17:40:47,935 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.12 05:40:47 BoogieIcfgContainer
[2023-12-16 17:40:47,935 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-16 17:40:47,938 INFO  L158              Benchmark]: Toolchain (without parser) took 3051.46ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 154.4MB in the end (delta: 19.7MB). Peak memory consumption was 21.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,938 INFO  L158              Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 132.0MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-16 17:40:47,938 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 365.24ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 148.1MB in the end (delta: 26.0MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,938 INFO  L158              Benchmark]: Boogie Procedure Inliner took 29.97ms. Allocated memory is still 218.1MB. Free memory was 148.1MB in the beginning and 145.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,938 INFO  L158              Benchmark]: Boogie Preprocessor took 37.05ms. Allocated memory is still 218.1MB. Free memory was 145.8MB in the beginning and 143.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,939 INFO  L158              Benchmark]: RCFGBuilder took 475.63ms. Allocated memory is still 218.1MB. Free memory was 143.3MB in the beginning and 170.6MB in the end (delta: -27.3MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,939 INFO  L158              Benchmark]: TraceAbstraction took 2140.02ms. Allocated memory is still 218.1MB. Free memory was 169.5MB in the beginning and 154.4MB in the end (delta: 15.1MB). Peak memory consumption was 15.6MB. Max. memory is 8.0GB.
[2023-12-16 17:40:47,940 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory was 132.1MB in the beginning and 132.0MB in the end (delta: 143.5kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 365.24ms. Allocated memory is still 218.1MB. Free memory was 174.1MB in the beginning and 148.1MB in the end (delta: 26.0MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 29.97ms. Allocated memory is still 218.1MB. Free memory was 148.1MB in the beginning and 145.8MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 37.05ms. Allocated memory is still 218.1MB. Free memory was 145.8MB in the beginning and 143.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 475.63ms. Allocated memory is still 218.1MB. Free memory was 143.3MB in the beginning and 170.6MB in the end (delta: -27.3MB). Peak memory consumption was 18.1MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2140.02ms. Allocated memory is still 218.1MB. Free memory was 169.5MB in the beginning and 154.4MB in the end (delta: 15.1MB). Peak memory consumption was 15.6MB. 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,"Environment.i","") [49]
  - GenericResultAtLocation [Line: 145]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145]
  - GenericResultAtLocation [Line: 154]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154]
  - GenericResultAtLocation [Line: 520]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
  - GenericResultAtLocation [Line: 590]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590]
  - GenericResultAtLocation [Line: 805]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805]
  - GenericResultAtLocation [Line: 839]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839]
  - GenericResultAtLocation [Line: 877]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877]
 * 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: 150]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L57]               int waterLevel  =    1;
[L58]               int methaneLevelCritical  =    0;
[L324]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L595]              int pumpRunning  =    0;
[L596]              int systemActive  =    1;
[L878]              int cleanupTimeShifts  =    4;
[L951]              int retValue_acc ;
[L952]              int tmp ;
[L956]  FCALL       select_helpers()
[L957]  FCALL       select_features()
[L958]  CALL, EXPR  valid_product()
[L869]              int retValue_acc ;
[L872]              retValue_acc = 1
[L873]              return (retValue_acc);
[L958]  RET, EXPR   valid_product()
[L958]              tmp = valid_product()
[L960]  COND TRUE   \read(tmp)
[L962]  FCALL       setup()
[L963]  CALL        runTest()
[L945]  CALL        test()
[L525]              int splverifierCounter ;
[L526]              int tmp ;
[L527]              int tmp___0 ;
[L528]              int tmp___1 ;
[L529]              int tmp___2 ;
[L532]              splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L534]  COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L536]  COND TRUE   splverifierCounter < 4
[L542]              tmp = __VERIFIER_nondet_int()
[L544]  COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=1]
[L546]  CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L75]   COND TRUE   waterLevel < 2
[L76]               waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L546]  RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=2, waterLevel=2]
[L552]              tmp___0 = __VERIFIER_nondet_int()
[L554]  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]
[L562]              tmp___2 = __VERIFIER_nondet_int()
[L564]  COND FALSE  !(\read(tmp___2))
[L568]              tmp___1 = __VERIFIER_nondet_int()
[L570]  COND TRUE   \read(tmp___1)
[L572]  CALL        stopSystem()
[L794]  COND FALSE  !(\read(pumpRunning))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L801]              systemActive = 0
[L572]  RET         stopSystem()
[L579]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L603]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L610]  COND FALSE  !(\read(systemActive))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L618]  CALL        __utac_acc__Specification3_spec__1()
[L807]              int tmp ;
[L808]              int tmp___0 ;
[L809]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L813]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L96]               int retValue_acc ;
[L99]               retValue_acc = methaneLevelCritical
[L100]              return (retValue_acc);
[L813]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2]
[L813]              tmp = isMethaneLevelCritical()
[L815]  COND FALSE  !(\read(tmp))
[L819]  CALL, EXPR  getWaterLevel()
[L128]              int retValue_acc ;
[L131]              retValue_acc = waterLevel
[L132]              return (retValue_acc);
[L819]  RET, EXPR   getWaterLevel()
[L819]              tmp___0 = getWaterLevel()
[L821]  COND TRUE   tmp___0 == 2
[L823]  CALL, EXPR  isPumpRunning()
[L727]              int retValue_acc ;
[L730]              retValue_acc = pumpRunning
[L731]              return (retValue_acc);
[L823]  RET, EXPR   isPumpRunning()
[L823]              tmp___1 = isPumpRunning()
[L825]  COND FALSE  !(\read(tmp___1))
[L829]  CALL        __automaton_fail()
[L150]              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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 143 mSDsluCounter, 586 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 269 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 111 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 317 mSDtfsCounter, 111 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=234occurred 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, 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!
[2023-12-16 17:40:47,953 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...