./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c --full-output --architecture 64bit


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


Checking for ERROR reachability
Using default analysis
Version 3061b6dc
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/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-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 64bit --witnessprinter.graph.data.programhash 86ae9b3121e242947c6d418d36787897ed3279113475060fae75f86285f9bc61
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 17:18:35,152 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 17:18:35,211 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf
[2024-11-18 17:18:35,217 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 17:18:35,217 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 17:18:35,243 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 17:18:35,244 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 17:18:35,244 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 17:18:35,245 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 17:18:35,245 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 17:18:35,246 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 17:18:35,246 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 17:18:35,247 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 17:18:35,248 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 17:18:35,248 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 17:18:35,249 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 17:18:35,249 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 17:18:35,250 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 17:18:35,252 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 17:18:35,252 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 17:18:35,252 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 17:18:35,253 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 17:18:35,253 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 17:18:35,253 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 17:18:35,253 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 17:18:35,254 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 17:18:35,254 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 17:18:35,254 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 17:18:35,254 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 17:18:35,254 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 17:18:35,255 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 17:18:35,255 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 17:18:35,255 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 17:18:35,255 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 17:18:35,255 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 17:18:35,256 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 17:18:35,256 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 17:18:35,256 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 17:18:35,258 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 17:18:35,258 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 -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 86ae9b3121e242947c6d418d36787897ed3279113475060fae75f86285f9bc61
[2024-11-18 17:18:35,461 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 17:18:35,481 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 17:18:35,484 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 17:18:35,484 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 17:18:35,485 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 17:18:35,489 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c
[2024-11-18 17:18:36,705 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 17:18:37,018 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 17:18:37,018 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c
[2024-11-18 17:18:37,045 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710ad1c57/a09aa89a05464e40ac05c3801f4e8e1f/FLAG676a396f2
[2024-11-18 17:18:37,058 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/710ad1c57/a09aa89a05464e40ac05c3801f4e8e1f
[2024-11-18 17:18:37,061 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 17:18:37,063 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 17:18:37,065 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 17:18:37,065 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 17:18:37,070 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 17:18:37,070 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:37" (1/1) ...
[2024-11-18 17:18:37,072 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10bb6c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:37, skipping insertion in model container
[2024-11-18 17:18:37,072 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:18:37" (1/1) ...
[2024-11-18 17:18:37,189 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 17:18:37,389 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/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c[1171,1184]
[2024-11-18 17:18:37,899 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 17:18:37,907 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 17:18:37,917 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/hardware-verification-bv/btor2c-lazyMod.exit.2.prop1-func-interl.c[1171,1184]
[2024-11-18 17:18:38,179 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 17:18:38,194 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 17:18:38,194 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38 WrapperNode
[2024-11-18 17:18:38,194 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 17:18:38,195 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 17:18:38,195 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 17:18:38,195 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 17:18:38,200 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:38,293 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:39,679 INFO  L138                Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 13892
[2024-11-18 17:18:39,679 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 17:18:39,680 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 17:18:39,680 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 17:18:39,680 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 17:18:39,688 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:39,688 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,050 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,262 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].
[2024-11-18 17:18:40,263 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,263 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,706 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,796 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:40,945 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:41,018 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:41,283 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 17:18:41,284 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 17:18:41,284 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 17:18:41,284 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 17:18:41,285 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (1/1) ...
[2024-11-18 17:18:41,296 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 17:18:41,312 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 17:18:41,340 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)
[2024-11-18 17:18:41,352 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
[2024-11-18 17:18:41,390 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 17:18:41,390 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 17:18:41,390 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 17:18:41,391 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 17:18:42,191 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 17:18:42,194 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 17:19:05,130 INFO  L?                        ?]: Removed 8028 outVars from TransFormulas that were not future-live.
[2024-11-18 17:19:05,131 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 17:19:05,193 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 17:19:05,193 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-18 17:19:05,194 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:19:05 BoogieIcfgContainer
[2024-11-18 17:19:05,194 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 17:19:05,196 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 17:19:05,196 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 17:19:05,199 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 17:19:05,199 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:18:37" (1/3) ...
[2024-11-18 17:19:05,200 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c89683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:19:05, skipping insertion in model container
[2024-11-18 17:19:05,200 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:18:38" (2/3) ...
[2024-11-18 17:19:05,201 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c89683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:19:05, skipping insertion in model container
[2024-11-18 17:19:05,201 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:19:05" (3/3) ...
[2024-11-18 17:19:05,202 INFO  L112   eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.exit.2.prop1-func-interl.c
[2024-11-18 17:19:05,214 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 17:19:05,215 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 17:19:05,319 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 17:19:05,324 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;@4d37b9d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 17:19:05,324 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 17:19:05,340 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 4742 states, 4740 states have (on average 1.499789029535865) internal successors, (7109), 4741 states have internal predecessors, (7109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:05,356 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 292
[2024-11-18 17:19:05,356 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 17:19:05,357 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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]
[2024-11-18 17:19:05,357 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 17:19:05,361 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 17:19:05,361 INFO  L85        PathProgramCache]: Analyzing trace with hash 1206071382, now seen corresponding path program 1 times
[2024-11-18 17:19:05,367 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 17:19:05,368 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089391019]
[2024-11-18 17:19:05,368 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:05,368 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 17:19:05,669 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:06,551 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:06,553 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 17:19:06,553 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089391019]
[2024-11-18 17:19:06,554 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1089391019] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 17:19:06,554 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 17:19:06,554 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 17:19:06,556 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205830456]
[2024-11-18 17:19:06,556 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 17:19:06,560 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 17:19:06,561 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 17:19:06,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 17:19:06,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:06,590 INFO  L87              Difference]: Start difference. First operand  has 4742 states, 4740 states have (on average 1.499789029535865) internal successors, (7109), 4741 states have internal predecessors, (7109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:06,777 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 17:19:06,777 INFO  L93              Difference]: Finished difference Result 9277 states and 13911 transitions.
[2024-11-18 17:19:06,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 17:19:06,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 291
[2024-11-18 17:19:06,781 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 17:19:06,813 INFO  L225             Difference]: With dead ends: 9277
[2024-11-18 17:19:06,813 INFO  L226             Difference]: Without dead ends: 4741
[2024-11-18 17:19:06,826 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:06,828 INFO  L432           NwaCegarLoop]: 7103 mSDtfsCounter, 0 mSDsluCounter, 14200 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21303 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 17:19:06,829 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21303 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 17:19:06,851 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4741 states.
[2024-11-18 17:19:06,945 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4741 to 4741.
[2024-11-18 17:19:06,953 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4741 states, 4740 states have (on average 1.499367088607595) internal successors, (7107), 4740 states have internal predecessors, (7107), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:06,961 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4741 states to 4741 states and 7107 transitions.
[2024-11-18 17:19:06,962 INFO  L78                 Accepts]: Start accepts. Automaton has 4741 states and 7107 transitions. Word has length 291
[2024-11-18 17:19:06,963 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 17:19:06,963 INFO  L471      AbstractCegarLoop]: Abstraction has 4741 states and 7107 transitions.
[2024-11-18 17:19:06,963 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 72.75) internal successors, (291), 4 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:06,964 INFO  L276                IsEmpty]: Start isEmpty. Operand 4741 states and 7107 transitions.
[2024-11-18 17:19:06,967 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 293
[2024-11-18 17:19:06,967 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 17:19:06,967 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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]
[2024-11-18 17:19:06,968 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-18 17:19:06,968 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 17:19:06,968 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 17:19:06,969 INFO  L85        PathProgramCache]: Analyzing trace with hash -1264795810, now seen corresponding path program 1 times
[2024-11-18 17:19:06,969 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 17:19:06,969 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [559693522]
[2024-11-18 17:19:06,969 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:06,969 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 17:19:07,067 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:07,391 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:07,392 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 17:19:07,392 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [559693522]
[2024-11-18 17:19:07,392 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [559693522] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 17:19:07,392 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 17:19:07,392 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 17:19:07,392 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363014157]
[2024-11-18 17:19:07,392 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 17:19:07,393 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 17:19:07,394 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 17:19:07,394 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 17:19:07,394 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:07,395 INFO  L87              Difference]: Start difference. First operand 4741 states and 7107 transitions. Second operand  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:07,536 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 17:19:07,537 INFO  L93              Difference]: Finished difference Result 9278 states and 13909 transitions.
[2024-11-18 17:19:07,537 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 17:19:07,538 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 292
[2024-11-18 17:19:07,539 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 17:19:07,551 INFO  L225             Difference]: With dead ends: 9278
[2024-11-18 17:19:07,551 INFO  L226             Difference]: Without dead ends: 4743
[2024-11-18 17:19:07,556 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:07,557 INFO  L432           NwaCegarLoop]: 7103 mSDtfsCounter, 0 mSDsluCounter, 14196 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21299 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 17:19:07,559 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21299 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 17:19:07,564 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4743 states.
[2024-11-18 17:19:07,605 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4743 to 4743.
[2024-11-18 17:19:07,613 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4743 states, 4742 states have (on average 1.4991564740615775) internal successors, (7109), 4742 states have internal predecessors, (7109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:07,622 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4743 states to 4743 states and 7109 transitions.
[2024-11-18 17:19:07,623 INFO  L78                 Accepts]: Start accepts. Automaton has 4743 states and 7109 transitions. Word has length 292
[2024-11-18 17:19:07,624 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 17:19:07,624 INFO  L471      AbstractCegarLoop]: Abstraction has 4743 states and 7109 transitions.
[2024-11-18 17:19:07,625 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.0) internal successors, (292), 4 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:07,625 INFO  L276                IsEmpty]: Start isEmpty. Operand 4743 states and 7109 transitions.
[2024-11-18 17:19:07,627 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 294
[2024-11-18 17:19:07,628 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 17:19:07,628 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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]
[2024-11-18 17:19:07,628 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-18 17:19:07,629 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 17:19:07,629 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 17:19:07,630 INFO  L85        PathProgramCache]: Analyzing trace with hash -1651928529, now seen corresponding path program 1 times
[2024-11-18 17:19:07,631 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 17:19:07,631 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977313943]
[2024-11-18 17:19:07,631 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:07,631 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 17:19:07,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:08,042 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:08,044 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 17:19:08,044 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977313943]
[2024-11-18 17:19:08,044 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977313943] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 17:19:08,045 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 17:19:08,045 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-18 17:19:08,045 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471684258]
[2024-11-18 17:19:08,045 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 17:19:08,046 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-18 17:19:08,046 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 17:19:08,047 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-18 17:19:08,047 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:08,048 INFO  L87              Difference]: Start difference. First operand 4743 states and 7109 transitions. Second operand  has 4 states, 4 states have (on average 73.25) internal successors, (293), 4 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:08,180 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 17:19:08,181 INFO  L93              Difference]: Finished difference Result 9282 states and 13913 transitions.
[2024-11-18 17:19:08,181 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-18 17:19:08,181 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 73.25) internal successors, (293), 4 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 293
[2024-11-18 17:19:08,182 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 17:19:08,195 INFO  L225             Difference]: With dead ends: 9282
[2024-11-18 17:19:08,196 INFO  L226             Difference]: Without dead ends: 4745
[2024-11-18 17:19:08,203 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-18 17:19:08,204 INFO  L432           NwaCegarLoop]: 7103 mSDtfsCounter, 0 mSDsluCounter, 14190 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21293 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 17:19:08,204 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21293 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 17:19:08,209 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 4745 states.
[2024-11-18 17:19:08,272 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 4745 to 4745.
[2024-11-18 17:19:08,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 4745 states, 4744 states have (on average 1.498946037099494) internal successors, (7111), 4744 states have internal predecessors, (7111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:08,296 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 4745 states to 4745 states and 7111 transitions.
[2024-11-18 17:19:08,297 INFO  L78                 Accepts]: Start accepts. Automaton has 4745 states and 7111 transitions. Word has length 293
[2024-11-18 17:19:08,297 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 17:19:08,297 INFO  L471      AbstractCegarLoop]: Abstraction has 4745 states and 7111 transitions.
[2024-11-18 17:19:08,297 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 73.25) internal successors, (293), 4 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:08,297 INFO  L276                IsEmpty]: Start isEmpty. Operand 4745 states and 7111 transitions.
[2024-11-18 17:19:08,300 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 295
[2024-11-18 17:19:08,300 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 17:19:08,300 INFO  L215           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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, 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, 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, 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]
[2024-11-18 17:19:08,300 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-18 17:19:08,301 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 17:19:08,301 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 17:19:08,301 INFO  L85        PathProgramCache]: Analyzing trace with hash 1238711813, now seen corresponding path program 1 times
[2024-11-18 17:19:08,301 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 17:19:08,302 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336855421]
[2024-11-18 17:19:08,302 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:08,302 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 17:19:08,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:09,312 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:09,312 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 17:19:09,312 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336855421]
[2024-11-18 17:19:09,313 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336855421] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 17:19:09,313 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-18 17:19:09,313 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-18 17:19:09,313 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439392714]
[2024-11-18 17:19:09,313 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 17:19:09,314 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-18 17:19:09,314 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 17:19:09,315 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-18 17:19:09,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-18 17:19:09,315 INFO  L87              Difference]: Start difference. First operand 4745 states and 7111 transitions. Second operand  has 7 states, 7 states have (on average 42.0) internal successors, (294), 7 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:09,549 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 17:19:09,549 INFO  L93              Difference]: Finished difference Result 9677 states and 14500 transitions.
[2024-11-18 17:19:09,550 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-18 17:19:09,551 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 42.0) internal successors, (294), 7 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 294
[2024-11-18 17:19:09,552 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 17:19:09,566 INFO  L225             Difference]: With dead ends: 9677
[2024-11-18 17:19:09,566 INFO  L226             Difference]: Without dead ends: 5138
[2024-11-18 17:19:09,571 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-18 17:19:09,571 INFO  L432           NwaCegarLoop]: 7099 mSDtfsCounter, 611 mSDsluCounter, 35165 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 42264 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-18 17:19:09,572 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 42264 Invalid, 60 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-18 17:19:09,577 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 5138 states.
[2024-11-18 17:19:09,629 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 5138 to 5105.
[2024-11-18 17:19:09,635 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 5105 states, 5104 states have (on average 1.4990203761755485) internal successors, (7651), 5104 states have internal predecessors, (7651), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:09,650 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 5105 states to 5105 states and 7651 transitions.
[2024-11-18 17:19:09,651 INFO  L78                 Accepts]: Start accepts. Automaton has 5105 states and 7651 transitions. Word has length 294
[2024-11-18 17:19:09,651 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 17:19:09,651 INFO  L471      AbstractCegarLoop]: Abstraction has 5105 states and 7651 transitions.
[2024-11-18 17:19:09,652 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 42.0) internal successors, (294), 7 states have internal predecessors, (294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-18 17:19:09,652 INFO  L276                IsEmpty]: Start isEmpty. Operand 5105 states and 7651 transitions.
[2024-11-18 17:19:09,735 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 2562
[2024-11-18 17:19:09,735 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 17:19:09,736 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 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, 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[2024-11-18 17:19:09,737 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-18 17:19:09,737 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 17:19:09,737 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 17:19:09,738 INFO  L85        PathProgramCache]: Analyzing trace with hash -1233454054, now seen corresponding path program 1 times
[2024-11-18 17:19:09,738 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 17:19:09,739 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333145629]
[2024-11-18 17:19:09,739 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:09,739 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 17:19:39,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:44,739 INFO  L134       CoverageAnalysis]: Checked inductivity of 186 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:44,739 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 17:19:44,739 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333145629]
[2024-11-18 17:19:44,740 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333145629] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 17:19:44,740 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835829314]
[2024-11-18 17:19:44,741 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 17:19:44,741 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 17:19:44,741 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 17:19:44,743 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)
[2024-11-18 17:19:44,744 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-18 17:19:53,393 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 17:19:53,464 INFO  L255         TraceCheckSpWp]: Trace formula consists of 11961 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-18 17:19:53,514 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 17:19:56,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 186 backedges. 6 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-18 17:19:56,901 INFO  L311         TraceCheckSpWp]: Computing backward predicates...