./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 023d838f
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 58c0589259b8e5804a9984a45134b8239364e097a06f183ac26d4505f36ba759
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m
[2024-11-10 07:45:28,508 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-10 07:45:28,578 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-10 07:45:28,583 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-10 07:45:28,584 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-10 07:45:28,603 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-10 07:45:28,604 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-10 07:45:28,605 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-10 07:45:28,605 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-10 07:45:28,606 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-10 07:45:28,606 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-10 07:45:28,606 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-10 07:45:28,607 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-10 07:45:28,607 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-10 07:45:28,608 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-10 07:45:28,608 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-10 07:45:28,609 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-10 07:45:28,609 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-10 07:45:28,609 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-10 07:45:28,610 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-10 07:45:28,610 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-10 07:45:28,610 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-10 07:45:28,611 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-10 07:45:28,611 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-10 07:45:28,612 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-10 07:45:28,612 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-10 07:45:28,612 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-10 07:45:28,612 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-10 07:45:28,613 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-10 07:45:28,613 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-10 07:45:28,613 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-10 07:45:28,614 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-10 07:45:28,614 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 07:45:28,614 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-10 07:45:28,615 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-10 07:45:28,615 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-10 07:45:28,615 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-10 07:45:28,616 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-10 07:45:28,616 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-10 07:45:28,616 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-10 07:45:28,617 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-10 07:45:28,619 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-10 07:45:28,619 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 58c0589259b8e5804a9984a45134b8239364e097a06f183ac26d4505f36ba759
[2024-11-10 07:45:28,891 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-10 07:45:28,915 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-10 07:45:28,918 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-10 07:45:28,919 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-10 07:45:28,919 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-10 07:45:28,921 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i
[2024-11-10 07:45:30,349 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-10 07:45:30,590 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-10 07:45:30,590 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i
[2024-11-10 07:45:30,601 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d8a1972/1e25a8333bc44bc1a9934de202f0b0d1/FLAGbb1ad6a1e
[2024-11-10 07:45:30,614 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d8d8a1972/1e25a8333bc44bc1a9934de202f0b0d1
[2024-11-10 07:45:30,618 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-10 07:45:30,620 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-10 07:45:30,621 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-10 07:45:30,621 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-10 07:45:30,625 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-10 07:45:30,625 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:30,626 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b6ca1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30, skipping insertion in model container
[2024-11-10 07:45:30,626 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:30,652 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-10 07:45:30,828 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i[915,928]
[2024-11-10 07:45:30,900 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 07:45:30,914 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-10 07:45:30,928 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-33.i[915,928]
[2024-11-10 07:45:30,949 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-10 07:45:30,969 INFO  L204         MainTranslator]: Completed translation
[2024-11-10 07:45:30,970 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30 WrapperNode
[2024-11-10 07:45:30,970 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-10 07:45:30,971 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-10 07:45:30,971 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-10 07:45:30,971 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-10 07:45:30,977 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:30,986 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,024 INFO  L138                Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 154
[2024-11-10 07:45:31,027 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-10 07:45:31,028 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-10 07:45:31,028 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-10 07:45:31,028 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-10 07:45:31,039 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,040 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,043 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,061 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].
[2024-11-10 07:45:31,062 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,062 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,081 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,082 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,084 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,089 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,092 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-10 07:45:31,093 INFO  L112        PluginConnector]: ------------------------IcfgBuilder----------------------------
[2024-11-10 07:45:31,097 INFO  L270        PluginConnector]: Initializing IcfgBuilder...
[2024-11-10 07:45:31,097 INFO  L274        PluginConnector]: IcfgBuilder initialized
[2024-11-10 07:45:31,098 INFO  L184        PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (1/1) ...
[2024-11-10 07:45:31,103 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-10 07:45:31,116 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-10 07:45:31,135 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)
[2024-11-10 07:45:31,138 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
[2024-11-10 07:45:31,182 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-10 07:45:31,183 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-10 07:45:31,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-10 07:45:31,184 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-10 07:45:31,184 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-10 07:45:31,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-10 07:45:31,267 INFO  L256             CfgBuilder]: Building ICFG
[2024-11-10 07:45:31,269 INFO  L286             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-10 07:45:31,597 INFO  L1247  $ProcedureCfgBuilder]: dead code at ProgramPoint L112: havoc property_#t~ite15#1;havoc property_#t~bitwise14#1;
[2024-11-10 07:45:31,629 INFO  L?                        ?]: Removed 16 outVars from TransFormulas that were not future-live.
[2024-11-10 07:45:31,629 INFO  L307             CfgBuilder]: Performing block encoding
[2024-11-10 07:45:31,658 INFO  L331             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-10 07:45:31,659 INFO  L336             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-10 07:45:31,659 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:31 BoogieIcfgContainer
[2024-11-10 07:45:31,659 INFO  L131        PluginConnector]: ------------------------ END IcfgBuilder----------------------------
[2024-11-10 07:45:31,663 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-10 07:45:31,664 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-10 07:45:31,667 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-10 07:45:31,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:45:30" (1/3) ...
[2024-11-10 07:45:31,669 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2744e610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:31, skipping insertion in model container
[2024-11-10 07:45:31,669 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:45:30" (2/3) ...
[2024-11-10 07:45:31,670 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2744e610 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:45:31, skipping insertion in model container
[2024-11-10 07:45:31,671 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:45:31" (3/3) ...
[2024-11-10 07:45:31,673 INFO  L112   eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-33.i
[2024-11-10 07:45:31,692 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-10 07:45:31,693 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-10 07:45:31,760 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-10 07:45:31,769 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;@1cfcf3c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-10 07:45:31,770 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-10 07:45:31,777 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 68 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-10 07:45:31,792 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-10 07:45:31,793 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 07:45:31,794 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 07:45:31,795 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 07:45:31,801 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 07:45:31,802 INFO  L85        PathProgramCache]: Analyzing trace with hash -1062846036, now seen corresponding path program 1 times
[2024-11-10 07:45:31,812 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 07:45:31,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596872705]
[2024-11-10 07:45:31,814 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:31,814 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 07:45:31,964 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,156 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-10 07:45:32,160 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,168 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-10 07:45:32,173 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,178 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2024-11-10 07:45:32,181 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,184 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-10 07:45:32,186 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,190 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2024-11-10 07:45:32,192 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,200 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-10 07:45:32,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,207 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-10 07:45:32,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,217 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-10 07:45:32,220 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,225 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-10 07:45:32,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,233 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-10 07:45:32,236 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,242 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-10 07:45:32,244 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,247 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-10 07:45:32,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,255 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-10 07:45:32,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,261 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-10 07:45:32,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,268 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-10 07:45:32,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,275 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-10 07:45:32,277 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,282 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-10 07:45:32,284 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,286 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-10 07:45:32,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:32,294 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-10 07:45:32,298 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 07:45:32,298 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596872705]
[2024-11-10 07:45:32,299 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596872705] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 07:45:32,299 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 07:45:32,299 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-10 07:45:32,301 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718785170]
[2024-11-10 07:45:32,301 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 07:45:32,308 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-10 07:45:32,309 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 07:45:32,335 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-10 07:45:32,336 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-10 07:45:32,339 INFO  L87              Difference]: Start difference. First operand  has 68 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 48 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-10 07:45:32,421 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 07:45:32,421 INFO  L93              Difference]: Finished difference Result 132 states and 214 transitions.
[2024-11-10 07:45:32,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-10 07:45:32,425 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 120
[2024-11-10 07:45:32,425 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 07:45:32,437 INFO  L225             Difference]: With dead ends: 132
[2024-11-10 07:45:32,437 INFO  L226             Difference]: Without dead ends: 63
[2024-11-10 07:45:32,475 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-10 07:45:32,479 INFO  L432           NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-10 07:45:32,480 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-10 07:45:32,495 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2024-11-10 07:45:32,526 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2024-11-10 07:45:32,529 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 43 states have internal predecessors, (55), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18)
[2024-11-10 07:45:32,531 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 91 transitions.
[2024-11-10 07:45:32,535 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 91 transitions. Word has length 120
[2024-11-10 07:45:32,535 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 07:45:32,536 INFO  L471      AbstractCegarLoop]: Abstraction has 63 states and 91 transitions.
[2024-11-10 07:45:32,536 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-10 07:45:32,536 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions.
[2024-11-10 07:45:32,540 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-10 07:45:32,541 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 07:45:32,541 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 07:45:32,541 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-10 07:45:32,542 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 07:45:32,544 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 07:45:32,545 INFO  L85        PathProgramCache]: Analyzing trace with hash 777726348, now seen corresponding path program 1 times
[2024-11-10 07:45:32,545 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 07:45:32,545 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076234923]
[2024-11-10 07:45:32,545 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:32,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 07:45:32,724 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,375 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-10 07:45:33,379 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,390 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-10 07:45:33,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,404 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2024-11-10 07:45:33,407 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,418 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-10 07:45:33,424 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,432 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2024-11-10 07:45:33,435 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,446 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-10 07:45:33,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,458 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-10 07:45:33,462 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,471 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-10 07:45:33,475 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,482 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-10 07:45:33,488 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,497 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-10 07:45:33,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,509 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-10 07:45:33,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,527 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-10 07:45:33,532 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,543 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-10 07:45:33,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,561 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-10 07:45:33,567 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,573 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-10 07:45:33,578 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,586 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-10 07:45:33,592 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,603 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-10 07:45:33,608 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,614 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-10 07:45:33,619 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:33,634 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-10 07:45:33,635 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 07:45:33,636 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076234923]
[2024-11-10 07:45:33,636 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076234923] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 07:45:33,637 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 07:45:33,637 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 07:45:33,637 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997608544]
[2024-11-10 07:45:33,638 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 07:45:33,640 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 07:45:33,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 07:45:33,642 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 07:45:33,642 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 07:45:33,642 INFO  L87              Difference]: Start difference. First operand 63 states and 91 transitions. Second operand  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-10 07:45:33,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 07:45:33,945 INFO  L93              Difference]: Finished difference Result 189 states and 276 transitions.
[2024-11-10 07:45:33,945 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 07:45:33,946 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120
[2024-11-10 07:45:33,947 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 07:45:33,949 INFO  L225             Difference]: With dead ends: 189
[2024-11-10 07:45:33,950 INFO  L226             Difference]: Without dead ends: 129
[2024-11-10 07:45:33,951 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-10 07:45:33,954 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 70 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-10 07:45:33,954 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 209 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-10 07:45:33,957 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 129 states.
[2024-11-10 07:45:33,993 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 113.
[2024-11-10 07:45:33,994 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 74 states have (on average 1.2702702702702702) internal successors, (94), 74 states have internal predecessors, (94), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-10 07:45:33,995 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions.
[2024-11-10 07:45:33,996 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 120
[2024-11-10 07:45:33,998 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 07:45:33,999 INFO  L471      AbstractCegarLoop]: Abstraction has 113 states and 166 transitions.
[2024-11-10 07:45:33,999 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-10 07:45:33,999 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions.
[2024-11-10 07:45:34,001 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 122
[2024-11-10 07:45:34,002 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 07:45:34,002 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 07:45:34,002 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-10 07:45:34,002 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 07:45:34,003 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 07:45:34,003 INFO  L85        PathProgramCache]: Analyzing trace with hash 768863702, now seen corresponding path program 1 times
[2024-11-10 07:45:34,003 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 07:45:34,003 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805407995]
[2024-11-10 07:45:34,003 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:34,004 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 07:45:34,037 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,212 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-10 07:45:34,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,222 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-10 07:45:34,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,232 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2024-11-10 07:45:34,233 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,239 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-10 07:45:34,241 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,247 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2024-11-10 07:45:34,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,251 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-10 07:45:34,253 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,256 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-10 07:45:34,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,260 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-10 07:45:34,261 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,264 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-10 07:45:34,266 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,268 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-10 07:45:34,270 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,272 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-10 07:45:34,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,276 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-10 07:45:34,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,281 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-10 07:45:34,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,288 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-10 07:45:34,290 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,293 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-10 07:45:34,295 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,301 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-10 07:45:34,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,307 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-10 07:45:34,309 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,316 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-10 07:45:34,318 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:34,324 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-10 07:45:34,325 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 07:45:34,325 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805407995]
[2024-11-10 07:45:34,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805407995] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 07:45:34,326 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 07:45:34,326 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-10 07:45:34,327 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135607667]
[2024-11-10 07:45:34,327 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 07:45:34,327 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-10 07:45:34,329 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 07:45:34,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-10 07:45:34,329 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-10 07:45:34,330 INFO  L87              Difference]: Start difference. First operand 113 states and 166 transitions. Second operand  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-10 07:45:34,543 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 07:45:34,543 INFO  L93              Difference]: Finished difference Result 198 states and 287 transitions.
[2024-11-10 07:45:34,543 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-10 07:45:34,544 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 121
[2024-11-10 07:45:34,544 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 07:45:34,546 INFO  L225             Difference]: With dead ends: 198
[2024-11-10 07:45:34,546 INFO  L226             Difference]: Without dead ends: 125
[2024-11-10 07:45:34,547 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-10 07:45:34,551 INFO  L432           NwaCegarLoop]: 73 mSDtfsCounter, 67 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 214 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-10 07:45:34,552 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 214 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-10 07:45:34,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-11-10 07:45:34,569 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 114.
[2024-11-10 07:45:34,570 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 75 states have (on average 1.2533333333333334) internal successors, (94), 75 states have internal predecessors, (94), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36)
[2024-11-10 07:45:34,571 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 166 transitions.
[2024-11-10 07:45:34,571 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 166 transitions. Word has length 121
[2024-11-10 07:45:34,572 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 07:45:34,572 INFO  L471      AbstractCegarLoop]: Abstraction has 114 states and 166 transitions.
[2024-11-10 07:45:34,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18)
[2024-11-10 07:45:34,573 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 166 transitions.
[2024-11-10 07:45:34,574 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-11-10 07:45:34,574 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 07:45:34,574 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 07:45:34,575 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-10 07:45:34,575 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 07:45:34,575 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 07:45:34,576 INFO  L85        PathProgramCache]: Analyzing trace with hash 2087938593, now seen corresponding path program 1 times
[2024-11-10 07:45:34,576 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 07:45:34,576 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26856526]
[2024-11-10 07:45:34,576 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:34,576 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 07:45:34,721 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,235 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-10 07:45:44,238 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,241 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-10 07:45:44,242 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,244 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2024-11-10 07:45:44,245 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,247 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-10 07:45:44,248 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,250 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2024-11-10 07:45:44,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,252 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-10 07:45:44,254 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,255 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-10 07:45:44,256 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,262 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-10 07:45:44,263 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,266 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-10 07:45:44,268 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,270 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-10 07:45:44,271 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,273 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-10 07:45:44,274 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,277 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-10 07:45:44,278 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,281 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-10 07:45:44,283 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,285 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-10 07:45:44,287 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,291 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-10 07:45:44,292 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,295 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-10 07:45:44,296 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,299 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-10 07:45:44,300 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,303 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-10 07:45:44,304 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:44,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked.
[2024-11-10 07:45:44,307 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 07:45:44,308 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26856526]
[2024-11-10 07:45:44,308 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26856526] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-10 07:45:44,308 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-10 07:45:44,308 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2024-11-10 07:45:44,308 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449196627]
[2024-11-10 07:45:44,309 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-10 07:45:44,310 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-10 07:45:44,310 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-10 07:45:44,311 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-10 07:45:44,311 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182
[2024-11-10 07:45:44,312 INFO  L87              Difference]: Start difference. First operand 114 states and 166 transitions. Second operand  has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-10 07:45:47,161 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-10 07:45:47,162 INFO  L93              Difference]: Finished difference Result 328 states and 459 transitions.
[2024-11-10 07:45:47,162 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2024-11-10 07:45:47,163 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 122
[2024-11-10 07:45:47,163 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-10 07:45:47,166 INFO  L225             Difference]: With dead ends: 328
[2024-11-10 07:45:47,166 INFO  L226             Difference]: Without dead ends: 268
[2024-11-10 07:45:47,167 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650
[2024-11-10 07:45:47,168 INFO  L432           NwaCegarLoop]: 121 mSDtfsCounter, 322 mSDsluCounter, 596 mSDsCounter, 0 mSdLazyCounter, 804 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 322 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 804 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time
[2024-11-10 07:45:47,169 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [322 Valid, 717 Invalid, 924 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [120 Valid, 804 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time]
[2024-11-10 07:45:47,170 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 268 states.
[2024-11-10 07:45:47,217 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 207.
[2024-11-10 07:45:47,219 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 207 states, 148 states have (on average 1.2837837837837838) internal successors, (190), 148 states have internal predecessors, (190), 54 states have call successors, (54), 4 states have call predecessors, (54), 4 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54)
[2024-11-10 07:45:47,221 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 298 transitions.
[2024-11-10 07:45:47,222 INFO  L78                 Accepts]: Start accepts. Automaton has 207 states and 298 transitions. Word has length 122
[2024-11-10 07:45:47,223 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-10 07:45:47,223 INFO  L471      AbstractCegarLoop]: Abstraction has 207 states and 298 transitions.
[2024-11-10 07:45:47,223 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 14 states have (on average 2.5) internal successors, (35), 14 states have internal predecessors, (35), 2 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18)
[2024-11-10 07:45:47,224 INFO  L276                IsEmpty]: Start isEmpty. Operand 207 states and 298 transitions.
[2024-11-10 07:45:47,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 123
[2024-11-10 07:45:47,225 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-10 07:45:47,226 INFO  L215           NwaCegarLoop]: trace histogram [18, 18, 18, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-10 07:45:47,226 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-10 07:45:47,226 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-10 07:45:47,227 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-10 07:45:47,227 INFO  L85        PathProgramCache]: Analyzing trace with hash 290987234, now seen corresponding path program 1 times
[2024-11-10 07:45:47,227 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-10 07:45:47,227 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520781729]
[2024-11-10 07:45:47,228 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:47,228 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-10 07:45:47,312 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,706 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2024-11-10 07:45:54,708 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,711 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2024-11-10 07:45:54,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,714 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2024-11-10 07:45:54,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,766 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23
[2024-11-10 07:45:54,768 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,771 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29
[2024-11-10 07:45:54,772 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,775 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34
[2024-11-10 07:45:54,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,778 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40
[2024-11-10 07:45:54,779 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,782 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45
[2024-11-10 07:45:54,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,786 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51
[2024-11-10 07:45:54,787 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,790 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56
[2024-11-10 07:45:54,791 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,794 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62
[2024-11-10 07:45:54,795 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,797 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2024-11-10 07:45:54,798 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,800 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2024-11-10 07:45:54,801 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,804 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78
[2024-11-10 07:45:54,805 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,807 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83
[2024-11-10 07:45:54,809 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,811 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89
[2024-11-10 07:45:54,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,814 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94
[2024-11-10 07:45:54,816 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,818 INFO  L368   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99
[2024-11-10 07:45:54,819 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,823 INFO  L134       CoverageAnalysis]: Checked inductivity of 612 backedges. 6 proven. 45 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked.
[2024-11-10 07:45:54,824 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-10 07:45:54,824 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520781729]
[2024-11-10 07:45:54,825 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520781729] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-10 07:45:54,825 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778225472]
[2024-11-10 07:45:54,825 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-10 07:45:54,826 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-10 07:45:54,828 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-10 07:45:54,831 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-10 07:45:54,833 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-10 07:45:54,939 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-10 07:45:54,946 INFO  L255         TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 43 conjuncts are in the unsatisfiable core
[2024-11-10 07:45:54,970 INFO  L278         TraceCheckSpWp]: Computing forward predicates...