/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --cacsl2boogietranslator.allow.undefined.functions true --traceabstraction.smt.solver External_ModelsAndUnsatCoreMode --traceabstraction.command.for.external.solver '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' -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c


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


This is Ultimate 0.2.5-dev-b75d321-m
[2024-11-05 08:33:42,414 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-05 08:33:42,495 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf
[2024-11-05 08:33:42,501 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-05 08:33:42,501 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-05 08:33:42,529 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-05 08:33:42,530 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-05 08:33:42,530 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-05 08:33:42,531 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-05 08:33:42,532 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-05 08:33:42,532 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-05 08:33:42,533 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-05 08:33:42,533 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-05 08:33:42,534 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-05 08:33:42,534 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-05 08:33:42,534 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-05 08:33:42,535 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-05 08:33:42,535 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-05 08:33:42,538 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-05 08:33:42,538 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-05 08:33:42,539 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-05 08:33:42,541 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2024-11-05 08:33:42,541 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2024-11-05 08:33:42,541 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-05 08:33:42,542 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2024-11-05 08:33:42,542 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-05 08:33:42,542 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-05 08:33:42,542 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-05 08:33:42,542 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-05 08:33:42,543 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-05 08:33:42,543 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-05 08:33:42,543 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 08:33:42,543 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-05 08:33:42,543 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-05 08:33:42,544 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-05 08:33:42,544 INFO  L153        SettingsManager]:  * Trace refinement strategy=WOLF
[2024-11-05 08:33:42,545 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2024-11-05 08:33:42,545 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-05 08:33:42,545 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-05 08:33:42,545 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-05 08:33:42,546 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-05 08:33:42,546 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Allow undefined functions -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Command for external solver -> mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 08:33:42,774 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-05 08:33:42,800 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-05 08:33:42,803 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-05 08:33:42,804 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-05 08:33:42,805 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-05 08:33:42,806 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c
[2024-11-05 08:33:44,291 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-05 08:33:44,666 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-05 08:33:44,667 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c
[2024-11-05 08:33:44,697 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a5e9c6d6/49608a5d77ca4ca29570896dfc4d81a7/FLAGbfa74557a
[2024-11-05 08:33:44,710 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a5e9c6d6/49608a5d77ca4ca29570896dfc4d81a7
[2024-11-05 08:33:44,712 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-05 08:33:44,713 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2024-11-05 08:33:44,714 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-05 08:33:44,714 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-05 08:33:44,718 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-05 08:33:44,719 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:33:44" (1/1) ...
[2024-11-05 08:33:44,720 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa529dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:44, skipping insertion in model container
[2024-11-05 08:33:44,720 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.11 08:33:44" (1/1) ...
[2024-11-05 08:33:44,806 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-05 08:33:45,049 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c[1325,1338]
[2024-11-05 08:33:45,500 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 08:33:45,511 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-05 08:33:45,521 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardware-verification-bv/btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c[1325,1338]
[2024-11-05 08:33:45,673 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-05 08:33:45,689 INFO  L204         MainTranslator]: Completed translation
[2024-11-05 08:33:45,690 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45 WrapperNode
[2024-11-05 08:33:45,690 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-05 08:33:45,691 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-05 08:33:45,692 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-05 08:33:45,692 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-05 08:33:45,698 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,761 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,881 INFO  L138                Inliner]: procedures = 18, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3151
[2024-11-05 08:33:45,881 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-05 08:33:45,882 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-05 08:33:45,882 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-05 08:33:45,882 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-05 08:33:45,892 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,892 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,923 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,983 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].
[2024-11-05 08:33:45,984 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:45,984 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,083 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,097 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,108 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,124 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,147 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-05 08:33:46,149 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-05 08:33:46,149 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-05 08:33:46,149 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-05 08:33:46,150 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (1/1) ...
[2024-11-05 08:33:46,155 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-05 08:33:46,165 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-05 08:33:46,181 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)
[2024-11-05 08:33:46,186 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
[2024-11-05 08:33:46,213 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-05 08:33:46,213 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0
[2024-11-05 08:33:46,213 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-05 08:33:46,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-05 08:33:46,214 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-05 08:33:46,214 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-05 08:33:46,746 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-05 08:33:46,748 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-05 08:33:49,586 INFO  L?                        ?]: Removed 1145 outVars from TransFormulas that were not future-live.
[2024-11-05 08:33:49,588 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-05 08:33:49,600 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-05 08:33:49,601 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-05 08:33:49,601 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:33:49 BoogieIcfgContainer
[2024-11-05 08:33:49,601 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-05 08:33:49,604 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-05 08:33:49,604 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-05 08:33:49,607 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-05 08:33:49,607 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.11 08:33:44" (1/3) ...
[2024-11-05 08:33:49,608 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c677cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:33:49, skipping insertion in model container
[2024-11-05 08:33:49,608 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.11 08:33:45" (2/3) ...
[2024-11-05 08:33:49,609 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c677cac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.11 08:33:49, skipping insertion in model container
[2024-11-05 08:33:49,609 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.11 08:33:49" (3/3) ...
[2024-11-05 08:33:49,610 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.arbitrated_top_n2_w64_d32_e0.c
[2024-11-05 08:33:49,626 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-05 08:33:49,626 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-05 08:33:49,683 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-05 08:33:49,690 INFO  L333      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, 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;@7f93fd99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-05 08:33:49,690 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-05 08:33:49,694 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 28 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-05 08:33:49,701 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-11-05 08:33:49,702 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 08:33:49,702 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 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]
[2024-11-05 08:33:49,703 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 08:33:49,707 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 08:33:49,708 INFO  L85        PathProgramCache]: Analyzing trace with hash -1387212075, now seen corresponding path program 1 times
[2024-11-05 08:33:49,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 08:33:49,718 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [490076479]
[2024-11-05 08:33:49,718 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 08:33:49,720 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2024-11-05 08:33:49,720 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 08:33:49,724 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)
[2024-11-05 08:33:49,726 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
[2024-11-05 08:33:50,933 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 08:33:50,982 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-05 08:33:50,996 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 08:33:51,023 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.
[2024-11-05 08:33:51,023 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 08:33:51,102 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-05 08:33:51,103 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 08:33:51,104 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [490076479]
[2024-11-05 08:33:51,104 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [490076479] provided 1 perfect and 1 imperfect interpolant sequences
[2024-11-05 08:33:51,104 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-05 08:33:51,104 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-05 08:33:51,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951588337]
[2024-11-05 08:33:51,107 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-05 08:33:51,111 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-05 08:33:51,112 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 08:33:51,135 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-05 08:33:51,136 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 08:33:51,138 INFO  L87              Difference]: Start difference. First operand  has 28 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-05 08:33:51,158 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 08:33:51,158 INFO  L93              Difference]: Finished difference Result 51 states and 75 transitions.
[2024-11-05 08:33:51,159 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-05 08:33:51,160 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 47
[2024-11-05 08:33:51,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 08:33:51,167 INFO  L225             Difference]: With dead ends: 51
[2024-11-05 08:33:51,167 INFO  L226             Difference]: Without dead ends: 25
[2024-11-05 08:33:51,171 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-05 08:33:51,175 INFO  L432           NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-05 08:33:51,176 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-05 08:33:51,192 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2024-11-05 08:33:51,210 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2024-11-05 08:33:51,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 16 states have (on average 1.0625) internal successors, (17), 16 states have internal predecessors, (17), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7)
[2024-11-05 08:33:51,214 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions.
[2024-11-05 08:33:51,216 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 31 transitions. Word has length 47
[2024-11-05 08:33:51,216 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 08:33:51,218 INFO  L471      AbstractCegarLoop]: Abstraction has 25 states and 31 transitions.
[2024-11-05 08:33:51,218 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7)
[2024-11-05 08:33:51,218 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions.
[2024-11-05 08:33:51,221 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 48
[2024-11-05 08:33:51,221 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 08:33:51,221 INFO  L215           NwaCegarLoop]: trace histogram [7, 7, 7, 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]
[2024-11-05 08:33:51,254 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
[2024-11-05 08:33:51,425 WARN  L453      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
[2024-11-05 08:33:51,426 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 08:33:51,427 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 08:33:51,427 INFO  L85        PathProgramCache]: Analyzing trace with hash 971432711, now seen corresponding path program 1 times
[2024-11-05 08:33:51,427 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 08:33:51,427 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187555227]
[2024-11-05 08:33:51,428 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 08:33:51,428 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
[2024-11-05 08:33:51,428 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 08:33:51,431 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)
[2024-11-05 08:33:51,434 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
[2024-11-05 08:33:54,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 08:33:54,866 INFO  L255         TraceCheckSpWp]: Trace formula consists of 1385 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-05 08:33:54,877 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 08:33:55,191 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-05 08:33:55,191 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 08:33:55,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked.
[2024-11-05 08:33:55,704 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 08:33:55,704 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187555227]
[2024-11-05 08:33:55,704 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [187555227] provided 2 perfect and 0 imperfect interpolant sequences
[2024-11-05 08:33:55,704 INFO  L185   FreeRefinementEngine]: Found 2 perfect and 0 imperfect interpolant sequences.
[2024-11-05 08:33:55,705 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6
[2024-11-05 08:33:55,705 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363980919]
[2024-11-05 08:33:55,705 INFO  L85    oduleStraightlineAll]: Using 2 perfect interpolants to construct interpolant automaton
[2024-11-05 08:33:55,706 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-05 08:33:55,706 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 08:33:55,708 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-05 08:33:55,708 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-05 08:33:55,709 INFO  L87              Difference]: Start difference. First operand 25 states and 31 transitions. Second operand  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-05 08:33:56,722 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 08:33:56,723 INFO  L93              Difference]: Finished difference Result 43 states and 56 transitions.
[2024-11-05 08:33:56,723 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-05 08:33:56,723 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 47
[2024-11-05 08:33:56,724 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 08:33:56,725 INFO  L225             Difference]: With dead ends: 43
[2024-11-05 08:33:56,725 INFO  L226             Difference]: Without dead ends: 41
[2024-11-05 08:33:56,725 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2024-11-05 08:33:56,726 INFO  L432           NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time
[2024-11-05 08:33:56,727 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time]
[2024-11-05 08:33:56,727 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 41 states.
[2024-11-05 08:33:56,735 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41.
[2024-11-05 08:33:56,736 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 41 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14)
[2024-11-05 08:33:56,737 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 54 transitions.
[2024-11-05 08:33:56,737 INFO  L78                 Accepts]: Start accepts. Automaton has 41 states and 54 transitions. Word has length 47
[2024-11-05 08:33:56,739 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 08:33:56,739 INFO  L471      AbstractCegarLoop]: Abstraction has 41 states and 54 transitions.
[2024-11-05 08:33:56,739 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2024-11-05 08:33:56,739 INFO  L276                IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions.
[2024-11-05 08:33:56,742 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 93
[2024-11-05 08:33:56,742 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 08:33:56,742 INFO  L215           NwaCegarLoop]: trace histogram [14, 14, 14, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-05 08:33:56,779 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
[2024-11-05 08:33:56,942 WARN  L453      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
[2024-11-05 08:33:56,943 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 08:33:56,944 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 08:33:56,944 INFO  L85        PathProgramCache]: Analyzing trace with hash 815302051, now seen corresponding path program 1 times
[2024-11-05 08:33:56,944 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 08:33:56,944 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2049240672]
[2024-11-05 08:33:56,944 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 08:33:56,945 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
[2024-11-05 08:33:56,945 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 08:33:56,948 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)
[2024-11-05 08:33:56,949 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
[2024-11-05 08:34:12,644 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 08:34:12,767 INFO  L255         TraceCheckSpWp]: Trace formula consists of 2589 conjuncts, 42 conjuncts are in the unsatisfiable core
[2024-11-05 08:34:12,806 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 08:34:13,946 INFO  L134       CoverageAnalysis]: Checked inductivity of 380 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-05 08:34:13,946 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-05 08:34:21,519 INFO  L134       CoverageAnalysis]: Checked inductivity of 380 backedges. 12 proven. 43 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked.
[2024-11-05 08:34:21,520 INFO  L136   FreeRefinementEngine]: Strategy FIXED_PREFERENCES found an infeasible trace
[2024-11-05 08:34:21,520 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2049240672]
[2024-11-05 08:34:21,520 INFO  L158   FreeRefinementEngine]: IpTcStrategyModulePreferences [2049240672] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-05 08:34:21,520 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-05 08:34:21,520 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15
[2024-11-05 08:34:21,521 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084338821]
[2024-11-05 08:34:21,521 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-05 08:34:21,522 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-05 08:34:21,522 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2024-11-05 08:34:21,523 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-05 08:34:21,523 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210
[2024-11-05 08:34:21,523 INFO  L87              Difference]: Start difference. First operand 41 states and 54 transitions. Second operand  has 15 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 15 states have internal predecessors, (50), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28)
[2024-11-05 08:34:24,206 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-05 08:34:24,207 INFO  L93              Difference]: Finished difference Result 60 states and 80 transitions.
[2024-11-05 08:34:24,207 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-05 08:34:24,207 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 15 states have internal predecessors, (50), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28) Word has length 92
[2024-11-05 08:34:24,208 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-05 08:34:24,209 INFO  L225             Difference]: With dead ends: 60
[2024-11-05 08:34:24,209 INFO  L226             Difference]: Without dead ends: 58
[2024-11-05 08:34:24,210 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342
[2024-11-05 08:34:24,211 INFO  L432           NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time
[2024-11-05 08:34:24,211 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 124 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time]
[2024-11-05 08:34:24,212 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-05 08:34:24,220 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58.
[2024-11-05 08:34:24,221 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 58 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21)
[2024-11-05 08:34:24,222 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 78 transitions.
[2024-11-05 08:34:24,222 INFO  L78                 Accepts]: Start accepts. Automaton has 58 states and 78 transitions. Word has length 92
[2024-11-05 08:34:24,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-05 08:34:24,223 INFO  L471      AbstractCegarLoop]: Abstraction has 58 states and 78 transitions.
[2024-11-05 08:34:24,223 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 15 states have internal predecessors, (50), 8 states have call successors, (28), 1 states have call predecessors, (28), 2 states have return successors, (28), 6 states have call predecessors, (28), 8 states have call successors, (28)
[2024-11-05 08:34:24,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 58 states and 78 transitions.
[2024-11-05 08:34:24,227 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 138
[2024-11-05 08:34:24,227 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-05 08:34:24,227 INFO  L215           NwaCegarLoop]: trace histogram [21, 21, 21, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1]
[2024-11-05 08:34:24,291 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 (4)] Ended with exit code 0
[2024-11-05 08:34:24,427 WARN  L453      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
[2024-11-05 08:34:24,428 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-05 08:34:24,429 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-05 08:34:24,429 INFO  L85        PathProgramCache]: Analyzing trace with hash -1845464953, now seen corresponding path program 2 times
[2024-11-05 08:34:24,429 INFO  L118   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2024-11-05 08:34:24,429 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [602336533]
[2024-11-05 08:34:24,429 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-05 08:34:24,430 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
[2024-11-05 08:34:24,430 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat
[2024-11-05 08:34:24,431 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)
[2024-11-05 08:34:24,432 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
[2024-11-05 08:35:02,078 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-05 08:35:02,280 INFO  L255         TraceCheckSpWp]: Trace formula consists of 3793 conjuncts, 154 conjuncts are in the unsatisfiable core
[2024-11-05 08:35:02,309 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-05 08:35:13,494 INFO  L134       CoverageAnalysis]: Checked inductivity of 889 backedges. 153 proven. 136 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked.
[2024-11-05 08:35:13,495 INFO  L311         TraceCheckSpWp]: Computing backward predicates...