/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
[2023-12-25 06:02:36,208 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-25 06:02:36,279 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 06:02:36,283 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-25 06:02:36,283 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-25 06:02:36,304 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-25 06:02:36,305 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-25 06:02:36,305 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-25 06:02:36,306 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-12-25 06:02:36,309 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2023-12-25 06:02:36,309 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-25 06:02:36,309 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-25 06:02:36,310 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-12-25 06:02:36,311 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-12-25 06:02:36,311 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-12-25 06:02:36,311 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-25 06:02:36,312 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-25 06:02:36,312 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-25 06:02:36,312 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-25 06:02:36,312 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-25 06:02:36,312 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2023-12-25 06:02:36,313 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-25 06:02:36,314 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-25 06:02:36,314 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-25 06:02:36,314 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-25 06:02:36,315 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-25 06:02:36,315 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-25 06:02:36,315 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-25 06:02:36,315 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-25 06:02:36,315 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:36,315 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-25 06:02:36,315 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-12-25 06:02:36,316 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-25 06:02:36,317 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-12-25 06:02:36,317 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-25 06:02:36,317 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
[2023-12-25 06:02:36,317 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2023-12-25 06:02:36,510 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-25 06:02:36,527 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-25 06:02:36,529 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-25 06:02:36,529 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-25 06:02:36,530 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-25 06:02:36,531 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-25 06:02:37,693 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-25 06:02:37,931 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-25 06:02:37,931 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product31.cil.c
[2023-12-25 06:02:37,939 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28df5ac1b/ad0f8565f18c4479ad709eb2090c7fa7/FLAG839f503c3
[2023-12-25 06:02:37,949 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28df5ac1b/ad0f8565f18c4479ad709eb2090c7fa7
[2023-12-25 06:02:37,950 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-25 06:02:37,951 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-12-25 06:02:37,952 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:37,952 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-25 06:02:37,960 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-25 06:02:37,961 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:37" (1/1) ...
[2023-12-25 06:02:37,961 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d24f247 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:37, skipping insertion in model container
[2023-12-25 06:02:37,961 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.12 06:02:37" (1/1) ...
[2023-12-25 06:02:37,998 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:38,171 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]
[2023-12-25 06:02:38,259 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:38,274 INFO  L199         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2023-12-25 06:02:38,285 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-25 06:02:38,307 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]
[2023-12-25 06:02:38,336 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:38,341 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-25 06:02:38,348 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49]
[2023-12-25 06:02:38,349 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [145]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [154]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [520]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [590]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [805]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [839]
[2023-12-25 06:02:38,350 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [877]
[2023-12-25 06:02:38,365 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]
[2023-12-25 06:02:38,401 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-25 06:02:38,427 INFO  L206         MainTranslator]: Completed translation
[2023-12-25 06:02:38,427 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38 WrapperNode
[2023-12-25 06:02:38,427 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-25 06:02:38,428 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:38,428 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-25 06:02:38,428 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-25 06:02:38,434 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,445 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,468 INFO  L138                Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 175
[2023-12-25 06:02:38,469 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-25 06:02:38,469 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-25 06:02:38,469 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-25 06:02:38,469 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-25 06:02:38,485 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,486 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,499 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,513 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 06:02:38,513 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,513 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,517 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,526 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,527 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,528 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,529 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-25 06:02:38,530 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-25 06:02:38,530 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-25 06:02:38,530 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-25 06:02:38,531 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (1/1) ...
[2023-12-25 06:02:38,534 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-12-25 06:02:38,544 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-12-25 06:02:38,563 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 06:02:38,570 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 06:02:38,599 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-25 06:02:38,599 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:38,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-12-25 06:02:38,599 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-12-25 06:02:38,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-12-25 06:02:38,599 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-12-25 06:02:38,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-12-25 06:02:38,599 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-12-25 06:02:38,599 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-12-25 06:02:38,600 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-12-25 06:02:38,600 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-12-25 06:02:38,600 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2023-12-25 06:02:38,600 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-12-25 06:02:38,600 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-12-25 06:02:38,600 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-12-25 06:02:38,601 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-12-25 06:02:38,601 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-12-25 06:02:38,601 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-12-25 06:02:38,601 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-12-25 06:02:38,601 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-12-25 06:02:38,601 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-25 06:02:38,601 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-25 06:02:38,672 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-25 06:02:38,674 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-25 06:02:38,889 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-25 06:02:38,965 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-25 06:02:38,966 INFO  L309             CfgBuilder]: Removed 2 assume(true) statements.
[2023-12-25 06:02:38,966 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:38 BoogieIcfgContainer
[2023-12-25 06:02:38,966 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-25 06:02:38,968 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-25 06:02:38,968 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-25 06:02:38,970 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-25 06:02:38,970 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.12 06:02:37" (1/3) ...
[2023-12-25 06:02:38,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76637237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:38, skipping insertion in model container
[2023-12-25 06:02:38,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.12 06:02:38" (2/3) ...
[2023-12-25 06:02:38,971 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76637237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.12 06:02:38, skipping insertion in model container
[2023-12-25 06:02:38,971 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.12 06:02:38" (3/3) ...
[2023-12-25 06:02:38,972 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product31.cil.c
[2023-12-25 06:02:38,985 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-25 06:02:38,985 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-12-25 06:02:39,016 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-25 06:02:39,020 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;@28e5633a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-25 06:02:39,021 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-12-25 06:02:39,024 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)
[2023-12-25 06:02:39,031 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-25 06:02:39,031 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:39,031 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 06:02:39,032 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:39,036 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:39,036 INFO  L85        PathProgramCache]: Analyzing trace with hash 889899055, now seen corresponding path program 1 times
[2023-12-25 06:02:39,046 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:39,047 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [670662052]
[2023-12-25 06:02:39,047 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:39,047 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 06:02:39,048 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:39,050 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 06:02:39,059 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 06:02:39,157 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:39,159 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 1 conjunts are in the unsatisfiable core
[2023-12-25 06:02:39,163 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:39,189 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 06:02:39,189 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:39,190 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:39,190 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [670662052]
[2023-12-25 06:02:39,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [670662052] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:39,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:39,191 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:02:39,192 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290212289]
[2023-12-25 06:02:39,194 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:39,196 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-12-25 06:02:39,212 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:39,264 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-12-25 06:02:39,265 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-12-25 06:02:39,267 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)
[2023-12-25 06:02:39,332 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:39,332 INFO  L93              Difference]: Finished difference Result 152 states and 217 transitions.
[2023-12-25 06:02:39,349 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-12-25 06:02:39,351 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 06:02:39,352 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:39,366 INFO  L225             Difference]: With dead ends: 152
[2023-12-25 06:02:39,366 INFO  L226             Difference]: Without dead ends: 72
[2023-12-25 06:02:39,370 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 06:02:39,377 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
[2023-12-25 06:02:39,378 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]
[2023-12-25 06:02:39,402 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 72 states.
[2023-12-25 06:02:39,442 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72.
[2023-12-25 06:02:39,443 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)
[2023-12-25 06:02:39,445 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions.
[2023-12-25 06:02:39,446 INFO  L78                 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17
[2023-12-25 06:02:39,446 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:39,446 INFO  L495      AbstractCegarLoop]: Abstraction has 72 states and 97 transitions.
[2023-12-25 06:02:39,446 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 06:02:39,446 INFO  L276                IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions.
[2023-12-25 06:02:39,448 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-25 06:02:39,448 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:39,448 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 06:02:39,460 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 06:02:39,653 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 06:02:39,655 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:39,660 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:39,660 INFO  L85        PathProgramCache]: Analyzing trace with hash 1969211536, now seen corresponding path program 1 times
[2023-12-25 06:02:39,661 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:39,661 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1837990187]
[2023-12-25 06:02:39,662 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:39,666 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 06:02:39,666 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:39,671 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 06:02:39,675 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 06:02:39,733 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:39,739 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:39,744 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:39,784 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 06:02:39,785 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:39,785 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:39,788 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1837990187]
[2023-12-25 06:02:39,788 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1837990187] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:39,788 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:39,788 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:39,788 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093104962]
[2023-12-25 06:02:39,788 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:39,789 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:39,789 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:39,790 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:39,790 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:39,790 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)
[2023-12-25 06:02:39,864 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:39,864 INFO  L93              Difference]: Finished difference Result 114 states and 152 transitions.
[2023-12-25 06:02:39,865 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:39,865 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 06:02:39,866 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:39,868 INFO  L225             Difference]: With dead ends: 114
[2023-12-25 06:02:39,869 INFO  L226             Difference]: Without dead ends: 64
[2023-12-25 06:02:39,869 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 06:02:39,870 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
[2023-12-25 06:02:39,871 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]
[2023-12-25 06:02:39,873 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-12-25 06:02:39,884 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-12-25 06:02:39,885 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)
[2023-12-25 06:02:39,889 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions.
[2023-12-25 06:02:39,890 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18
[2023-12-25 06:02:39,892 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:39,895 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 86 transitions.
[2023-12-25 06:02:39,895 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 06:02:39,895 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions.
[2023-12-25 06:02:39,896 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2023-12-25 06:02:39,896 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:39,896 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 06:02:39,898 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 (3)] Ended with exit code 0
[2023-12-25 06:02:40,108 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 06:02:40,108 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:40,109 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:40,109 INFO  L85        PathProgramCache]: Analyzing trace with hash 128374679, now seen corresponding path program 1 times
[2023-12-25 06:02:40,109 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:40,109 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2036269168]
[2023-12-25 06:02:40,109 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:40,110 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 06:02:40,110 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:40,117 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 06:02:40,119 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 06:02:40,164 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:40,165 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-25 06:02:40,168 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:40,200 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 06:02:40,200 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:40,202 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:40,204 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2036269168]
[2023-12-25 06:02:40,204 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2036269168] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:40,204 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:40,204 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-25 06:02:40,205 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902305066]
[2023-12-25 06:02:40,205 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:40,205 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-25 06:02:40,206 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:40,208 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-25 06:02:40,208 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-25 06:02:40,208 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)
[2023-12-25 06:02:40,266 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:40,266 INFO  L93              Difference]: Finished difference Result 188 states and 255 transitions.
[2023-12-25 06:02:40,267 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-25 06:02:40,267 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 06:02:40,267 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:40,271 INFO  L225             Difference]: With dead ends: 188
[2023-12-25 06:02:40,271 INFO  L226             Difference]: Without dead ends: 126
[2023-12-25 06:02:40,272 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 06:02:40,273 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
[2023-12-25 06:02:40,273 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]
[2023-12-25 06:02:40,299 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 126 states.
[2023-12-25 06:02:40,334 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123.
[2023-12-25 06:02:40,335 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)
[2023-12-25 06:02:40,337 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 167 transitions.
[2023-12-25 06:02:40,338 INFO  L78                 Accepts]: Start accepts. Automaton has 123 states and 167 transitions. Word has length 21
[2023-12-25 06:02:40,338 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:40,338 INFO  L495      AbstractCegarLoop]: Abstraction has 123 states and 167 transitions.
[2023-12-25 06:02:40,338 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 06:02:40,338 INFO  L276                IsEmpty]: Start isEmpty. Operand 123 states and 167 transitions.
[2023-12-25 06:02:40,343 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2023-12-25 06:02:40,343 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:40,343 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 06:02:40,348 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 06:02:40,545 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 06:02:40,546 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:40,546 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:40,547 INFO  L85        PathProgramCache]: Analyzing trace with hash -1081915056, now seen corresponding path program 1 times
[2023-12-25 06:02:40,547 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:40,547 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289413547]
[2023-12-25 06:02:40,547 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:40,547 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 06:02:40,547 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:40,548 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 06:02:40,550 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 06:02:40,587 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-25 06:02:40,588 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-12-25 06:02:40,590 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-25 06:02:40,672 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 06:02:40,672 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-25 06:02:40,672 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2023-12-25 06:02:40,672 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289413547]
[2023-12-25 06:02:40,672 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289413547] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-25 06:02:40,672 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-25 06:02:40,672 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-25 06:02:40,672 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233693856]
[2023-12-25 06:02:40,672 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-25 06:02:40,673 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-25 06:02:40,673 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2023-12-25 06:02:40,673 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-25 06:02:40,673 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-25 06:02:40,673 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)
[2023-12-25 06:02:40,772 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-25 06:02:40,772 INFO  L93              Difference]: Finished difference Result 357 states and 496 transitions.
[2023-12-25 06:02:40,784 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-25 06:02:40,784 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 06:02:40,785 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-25 06:02:40,786 INFO  L225             Difference]: With dead ends: 357
[2023-12-25 06:02:40,786 INFO  L226             Difference]: Without dead ends: 236
[2023-12-25 06:02:40,787 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 06:02:40,787 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
[2023-12-25 06:02:40,788 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]
[2023-12-25 06:02:40,788 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 236 states.
[2023-12-25 06:02:40,837 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234.
[2023-12-25 06:02:40,837 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)
[2023-12-25 06:02:40,838 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 319 transitions.
[2023-12-25 06:02:40,839 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 319 transitions. Word has length 24
[2023-12-25 06:02:40,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-25 06:02:40,839 INFO  L495      AbstractCegarLoop]: Abstraction has 234 states and 319 transitions.
[2023-12-25 06:02:40,839 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 06:02:40,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 319 transitions.
[2023-12-25 06:02:40,840 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2023-12-25 06:02:40,840 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-25 06:02:40,840 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 06:02:40,848 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 06:02:41,041 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 06:02:41,041 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-12-25 06:02:41,041 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-25 06:02:41,041 INFO  L85        PathProgramCache]: Analyzing trace with hash -1856879050, now seen corresponding path program 1 times
[2023-12-25 06:02:41,042 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2023-12-25 06:02:41,042 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [787132779]
[2023-12-25 06:02:41,042 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-25 06:02:41,042 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 06:02:41,042 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2023-12-25 06:02:41,043 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 06:02:41,044 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 06:02:41,088 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:41,089 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-12-25 06:02:41,119 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-12-25 06:02:41,157 INFO  L130   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2023-12-25 06:02:41,157 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-12-25 06:02:41,158 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-12-25 06:02:41,175 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 06:02:41,375 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 06:02:41,377 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-25 06:02:41,379 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-25 06:02:41,405 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.12 06:02:41 BoogieIcfgContainer
[2023-12-25 06:02:41,405 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-25 06:02:41,406 INFO  L158              Benchmark]: Toolchain (without parser) took 3454.38ms. Allocated memory is still 296.7MB. Free memory was 241.0MB in the beginning and 216.4MB in the end (delta: 24.6MB). Peak memory consumption was 25.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:41,406 INFO  L158              Benchmark]: CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory was 148.5MB in the beginning and 148.3MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 06:02:41,406 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 475.41ms. Allocated memory is still 296.7MB. Free memory was 241.0MB in the beginning and 214.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
[2023-12-25 06:02:41,406 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.31ms. Allocated memory is still 296.7MB. Free memory was 214.8MB in the beginning and 212.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:41,406 INFO  L158              Benchmark]: Boogie Preprocessor took 60.46ms. Allocated memory is still 296.7MB. Free memory was 212.7MB in the beginning and 210.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-12-25 06:02:41,407 INFO  L158              Benchmark]: RCFGBuilder took 436.15ms. Allocated memory is still 296.7MB. Free memory was 210.1MB in the beginning and 180.2MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
[2023-12-25 06:02:41,407 INFO  L158              Benchmark]: TraceAbstraction took 2437.56ms. Allocated memory is still 296.7MB. Free memory was 179.6MB in the beginning and 216.4MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-12-25 06:02:41,408 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.14ms. Allocated memory is still 200.3MB. Free memory was 148.5MB in the beginning and 148.3MB in the end (delta: 140.0kB). There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 475.41ms. Allocated memory is still 296.7MB. Free memory was 241.0MB in the beginning and 214.8MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 40.31ms. Allocated memory is still 296.7MB. Free memory was 214.8MB in the beginning and 212.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 60.46ms. Allocated memory is still 296.7MB. Free memory was 212.7MB in the beginning and 210.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 436.15ms. Allocated memory is still 296.7MB. Free memory was 210.1MB in the beginning and 180.2MB in the end (delta: 29.9MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB.
 * TraceAbstraction took 2437.56ms. Allocated memory is still 296.7MB. Free memory was 179.6MB in the beginning and 216.4MB in the end (delta: -36.7MB). There was no memory consumed. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"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: 2.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.2s 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: 0.2s AutomataMinimizationTime, 4 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s 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 06:02:41,420 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...