./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c --full-output --architecture 32bit


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


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/xcsp/aim-200-1-6-sat-1.c -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 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-18 15:27:18,865 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-18 15:27:18,959 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-18 15:27:18,965 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-18 15:27:18,966 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-18 15:27:19,002 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-18 15:27:19,003 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-18 15:27:19,004 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-18 15:27:19,005 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-18 15:27:19,006 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-18 15:27:19,007 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-18 15:27:19,008 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-18 15:27:19,008 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-18 15:27:19,009 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-18 15:27:19,011 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-18 15:27:19,012 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-18 15:27:19,012 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-18 15:27:19,012 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-18 15:27:19,013 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-18 15:27:19,013 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-18 15:27:19,014 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-18 15:27:19,018 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-18 15:27:19,019 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-18 15:27:19,019 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-18 15:27:19,019 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-18 15:27:19,020 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-18 15:27:19,020 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-18 15:27:19,020 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-18 15:27:19,020 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-18 15:27:19,021 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-18 15:27:19,021 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-18 15:27:19,021 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-18 15:27:19,021 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 15:27:19,022 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-18 15:27:19,022 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-18 15:27:19,022 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-18 15:27:19,023 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-18 15:27:19,023 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-18 15:27:19,023 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-18 15:27:19,023 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-18 15:27:19,023 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-18 15:27:19,025 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-18 15:27:19,025 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 -> 737ab32b6e140f9d7a67c48caa3307f2650f8dd313bf1d7771d71b33c77f29d7
[2024-11-18 15:27:19,299 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-18 15:27:19,332 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-18 15:27:19,337 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-18 15:27:19,340 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-18 15:27:19,340 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-18 15:27:19,342 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c
[2024-11-18 15:27:20,932 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-18 15:27:21,209 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-18 15:27:21,214 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/xcsp/aim-200-1-6-sat-1.c
[2024-11-18 15:27:21,239 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2f3f02f/41f372b6c37a432b8ce0b907d57ed647/FLAG4e4419ce5
[2024-11-18 15:27:21,257 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1e2f3f02f/41f372b6c37a432b8ce0b907d57ed647
[2024-11-18 15:27:21,260 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-18 15:27:21,262 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-18 15:27:21,265 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-18 15:27:21,270 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-18 15:27:21,279 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-18 15:27:21,280 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:21" (1/1) ...
[2024-11-18 15:27:21,283 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@446583b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:21, skipping insertion in model container
[2024-11-18 15:27:21,283 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:27:21" (1/1) ...
[2024-11-18 15:27:21,338 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-18 15:27:21,870 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/xcsp/aim-200-1-6-sat-1.c[38242,38255]
[2024-11-18 15:27:21,911 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 15:27:21,922 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-18 15:27:22,092 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/xcsp/aim-200-1-6-sat-1.c[38242,38255]
[2024-11-18 15:27:22,104 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-18 15:27:22,123 INFO  L204         MainTranslator]: Completed translation
[2024-11-18 15:27:22,124 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22 WrapperNode
[2024-11-18 15:27:22,124 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-18 15:27:22,125 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-18 15:27:22,125 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-18 15:27:22,125 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-18 15:27:22,131 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,190 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,514 INFO  L138                Inliner]: procedures = 13, calls = 722, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 6883
[2024-11-18 15:27:22,515 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-18 15:27:22,516 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-18 15:27:22,516 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-18 15:27:22,516 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-18 15:27:22,528 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,529 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,591 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,724 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 15:27:22,724 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:22,725 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,020 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,056 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,139 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,258 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,462 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-18 15:27:23,468 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-18 15:27:23,468 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-18 15:27:23,468 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-18 15:27:23,469 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (1/1) ...
[2024-11-18 15:27:23,475 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-18 15:27:23,515 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:27:23,535 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 15:27:23,539 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 15:27:23,586 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-18 15:27:23,586 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-18 15:27:23,586 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-18 15:27:23,587 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-18 15:27:23,587 INFO  L130     BoogieDeclarations]: Found specification of procedure assume
[2024-11-18 15:27:23,587 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume
[2024-11-18 15:27:23,860 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-18 15:27:23,863 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-18 15:27:35,420 INFO  L?                        ?]: Removed 1592 outVars from TransFormulas that were not future-live.
[2024-11-18 15:27:35,420 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-18 15:27:35,478 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-18 15:27:35,478 INFO  L316             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-18 15:27:35,479 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:35 BoogieIcfgContainer
[2024-11-18 15:27:35,479 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-18 15:27:35,481 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-18 15:27:35,481 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-18 15:27:35,484 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-18 15:27:35,485 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:27:21" (1/3) ...
[2024-11-18 15:27:35,485 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f47154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:27:35, skipping insertion in model container
[2024-11-18 15:27:35,486 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:27:22" (2/3) ...
[2024-11-18 15:27:35,486 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f47154 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:27:35, skipping insertion in model container
[2024-11-18 15:27:35,487 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:27:35" (3/3) ...
[2024-11-18 15:27:35,488 INFO  L112   eAbstractionObserver]: Analyzing ICFG aim-200-1-6-sat-1.c
[2024-11-18 15:27:35,503 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-18 15:27:35,503 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-18 15:27:35,654 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-18 15:27:35,664 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;@35f22695, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-18 15:27:35,664 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-11-18 15:27:35,682 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 3173 states, 2455 states have (on average 1.525458248472505) internal successors, (3745), 2456 states have internal predecessors, (3745), 715 states have call successors, (715), 1 states have call predecessors, (715), 1 states have return successors, (715), 715 states have call predecessors, (715), 715 states have call successors, (715)
[2024-11-18 15:27:35,925 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4738
[2024-11-18 15:27:35,926 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 15:27:35,929 INFO  L215           NwaCegarLoop]: trace histogram [715, 715, 715, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:35,930 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 15:27:35,935 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 15:27:35,937 INFO  L85        PathProgramCache]: Analyzing trace with hash -154016619, now seen corresponding path program 1 times
[2024-11-18 15:27:35,946 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 15:27:35,946 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43678052]
[2024-11-18 15:27:35,947 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:27:35,948 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 15:27:36,257 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:27:40,542 INFO  L134       CoverageAnalysis]: Checked inductivity of 1021020 backedges. 0 proven. 1428 refuted. 0 times theorem prover too weak. 1019592 trivial. 0 not checked.
[2024-11-18 15:27:40,543 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 15:27:40,543 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43678052]
[2024-11-18 15:27:40,545 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43678052] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 15:27:40,545 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1796079860]
[2024-11-18 15:27:40,546 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:27:40,546 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 15:27:40,546 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:27:40,549 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 15:27:40,550 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 15:27:42,087 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:27:42,123 INFO  L255         TraceCheckSpWp]: Trace formula consists of 9108 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-18 15:27:42,207 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-18 15:27:42,614 INFO  L134       CoverageAnalysis]: Checked inductivity of 1021020 backedges. 1428 proven. 0 refuted. 0 times theorem prover too weak. 1019592 trivial. 0 not checked.
[2024-11-18 15:27:42,615 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-18 15:27:42,615 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1796079860] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-18 15:27:42,615 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-18 15:27:42,616 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-18 15:27:42,618 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578859923]
[2024-11-18 15:27:42,620 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-18 15:27:42,636 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-18 15:27:42,637 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-18 15:27:42,670 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-18 15:27:42,671 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 15:27:42,683 INFO  L87              Difference]: Start difference. First operand  has 3173 states, 2455 states have (on average 1.525458248472505) internal successors, (3745), 2456 states have internal predecessors, (3745), 715 states have call successors, (715), 1 states have call predecessors, (715), 1 states have return successors, (715), 715 states have call predecessors, (715), 715 states have call successors, (715) Second operand  has 2 states, 2 states have (on average 583.5) internal successors, (1167), 2 states have internal predecessors, (1167), 2 states have call successors, (715), 2 states have call predecessors, (715), 1 states have return successors, (715), 1 states have call predecessors, (715), 2 states have call successors, (715)
[2024-11-18 15:27:42,922 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-18 15:27:42,923 INFO  L93              Difference]: Finished difference Result 6340 states and 11059 transitions.
[2024-11-18 15:27:42,924 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-18 15:27:42,928 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 583.5) internal successors, (1167), 2 states have internal predecessors, (1167), 2 states have call successors, (715), 2 states have call predecessors, (715), 1 states have return successors, (715), 1 states have call predecessors, (715), 2 states have call successors, (715) Word has length 4737
[2024-11-18 15:27:42,929 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-18 15:27:42,971 INFO  L225             Difference]: With dead ends: 6340
[2024-11-18 15:27:42,972 INFO  L226             Difference]: Without dead ends: 3170
[2024-11-18 15:27:42,998 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4738 GetRequests, 4738 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-18 15:27:43,003 INFO  L432           NwaCegarLoop]: 5171 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 5171 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-18 15:27:43,004 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 5171 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-18 15:27:43,033 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 3170 states.
[2024-11-18 15:27:43,483 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 3170 to 3170.
[2024-11-18 15:27:43,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 3170 states, 2453 states have (on average 1.525071341214839) internal successors, (3741), 2453 states have internal predecessors, (3741), 715 states have call successors, (715), 1 states have call predecessors, (715), 1 states have return successors, (715), 715 states have call predecessors, (715), 715 states have call successors, (715)
[2024-11-18 15:27:43,513 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 3170 states and 5171 transitions.
[2024-11-18 15:27:43,522 INFO  L78                 Accepts]: Start accepts. Automaton has 3170 states and 5171 transitions. Word has length 4737
[2024-11-18 15:27:43,525 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-18 15:27:43,525 INFO  L471      AbstractCegarLoop]: Abstraction has 3170 states and 5171 transitions.
[2024-11-18 15:27:43,527 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 583.5) internal successors, (1167), 2 states have internal predecessors, (1167), 2 states have call successors, (715), 2 states have call predecessors, (715), 1 states have return successors, (715), 1 states have call predecessors, (715), 2 states have call successors, (715)
[2024-11-18 15:27:43,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 3170 states and 5171 transitions.
[2024-11-18 15:27:43,743 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4738
[2024-11-18 15:27:43,743 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-18 15:27:43,745 INFO  L215           NwaCegarLoop]: trace histogram [715, 715, 715, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:27:43,770 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-18 15:27:43,945 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0
[2024-11-18 15:27:43,946 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-11-18 15:27:43,946 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-18 15:27:43,948 INFO  L85        PathProgramCache]: Analyzing trace with hash 1471864511, now seen corresponding path program 1 times
[2024-11-18 15:27:43,949 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-18 15:27:43,949 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785179941]
[2024-11-18 15:27:43,950 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:27:43,950 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-18 15:27:48,763 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:28:30,950 INFO  L134       CoverageAnalysis]: Checked inductivity of 1021020 backedges. 1842 proven. 13026 refuted. 0 times theorem prover too weak. 1006152 trivial. 0 not checked.
[2024-11-18 15:28:30,953 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-18 15:28:30,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785179941]
[2024-11-18 15:28:30,953 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785179941] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-18 15:28:30,953 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2105367587]
[2024-11-18 15:28:30,954 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-18 15:28:30,954 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-18 15:28:30,955 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-18 15:28:30,957 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-18 15:28:30,959 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-18 15:28:32,662 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-18 15:28:32,708 INFO  L255         TraceCheckSpWp]: Trace formula consists of 9108 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-11-18 15:28:32,781 INFO  L278         TraceCheckSpWp]: Computing forward predicates...