./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/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/nla-digbench-scaling/fermat2-ll_valuebound20.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cd2a63b33e7bbe230c7b5ef9bb577263b79c304327f57b571a4977a8b534c93c
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-22 22:39:39,833 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-22 22:39:39,888 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-22 22:39:39,893 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-22 22:39:39,894 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-22 22:39:39,916 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-22 22:39:39,918 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-22 22:39:39,918 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-22 22:39:39,919 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-22 22:39:39,922 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-22 22:39:39,922 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-22 22:39:39,922 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-22 22:39:39,922 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-22 22:39:39,922 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-22 22:39:39,923 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-22 22:39:39,923 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-22 22:39:39,923 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-22 22:39:39,923 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-22 22:39:39,923 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-22 22:39:39,923 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-22 22:39:39,924 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-11-22 22:39:39,926 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-22 22:39:39,927 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-22 22:39:39,927 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 22:39:39,928 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-22 22:39:39,928 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-22 22:39:39,928 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-22 22:39:39,928 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-22 22:39:39,928 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-22 22:39:39,928 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-22 22:39:39,929 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-22 22:39:39,929 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-22 22:39:39,929 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-22 22:39:39,930 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 ! overflow) )


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 -> cd2a63b33e7bbe230c7b5ef9bb577263b79c304327f57b571a4977a8b534c93c
[2024-11-22 22:39:40,129 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-22 22:39:40,147 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-22 22:39:40,151 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-22 22:39:40,152 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-22 22:39:40,152 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-22 22:39:40,153 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c
[2024-11-22 22:39:41,323 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-22 22:39:41,477 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-22 22:39:41,478 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound20.c
[2024-11-22 22:39:41,484 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c65cf6e0/5e3850730ec741bc91b1d47c1b6eb333/FLAG981663985
[2024-11-22 22:39:41,881 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c65cf6e0/5e3850730ec741bc91b1d47c1b6eb333
[2024-11-22 22:39:41,883 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-22 22:39:41,884 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-22 22:39:41,885 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-22 22:39:41,885 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-22 22:39:41,894 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-22 22:39:41,894 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:41" (1/1) ...
[2024-11-22 22:39:41,895 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bdbe580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:41, skipping insertion in model container
[2024-11-22 22:39:41,895 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:39:41" (1/1) ...
[2024-11-22 22:39:41,915 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-22 22:39:42,082 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 22:39:42,091 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-22 22:39:42,106 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-22 22:39:42,119 INFO  L204         MainTranslator]: Completed translation
[2024-11-22 22:39:42,119 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42 WrapperNode
[2024-11-22 22:39:42,119 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-22 22:39:42,120 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-22 22:39:42,120 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-22 22:39:42,120 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-22 22:39:42,125 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,130 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,147 INFO  L138                Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 106
[2024-11-22 22:39:42,148 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-22 22:39:42,148 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-22 22:39:42,149 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-22 22:39:42,149 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-22 22:39:42,157 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,157 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,158 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,167 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].
[2024-11-22 22:39:42,168 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,168 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,170 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,173 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,176 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,176 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,177 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-22 22:39:42,178 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-22 22:39:42,178 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-22 22:39:42,178 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-22 22:39:42,179 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (1/1) ...
[2024-11-22 22:39:42,183 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-22 22:39:42,191 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:42,203 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)
[2024-11-22 22:39:42,204 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
[2024-11-22 22:39:42,235 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-22 22:39:42,236 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2024-11-22 22:39:42,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2024-11-22 22:39:42,236 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-22 22:39:42,236 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-22 22:39:42,236 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-22 22:39:42,236 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2024-11-22 22:39:42,237 INFO  L138     BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2024-11-22 22:39:42,278 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-22 22:39:42,280 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-22 22:39:42,549 INFO  L?                        ?]: Removed 79 outVars from TransFormulas that were not future-live.
[2024-11-22 22:39:42,550 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-22 22:39:42,561 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-22 22:39:42,562 INFO  L316             CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-22 22:39:42,562 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:42 BoogieIcfgContainer
[2024-11-22 22:39:42,562 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-22 22:39:42,564 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-22 22:39:42,564 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-22 22:39:42,567 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-22 22:39:42,567 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:39:41" (1/3) ...
[2024-11-22 22:39:42,567 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183039e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:42, skipping insertion in model container
[2024-11-22 22:39:42,568 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:39:42" (2/3) ...
[2024-11-22 22:39:42,568 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183039e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:39:42, skipping insertion in model container
[2024-11-22 22:39:42,569 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:39:42" (3/3) ...
[2024-11-22 22:39:42,570 INFO  L112   eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound20.c
[2024-11-22 22:39:42,582 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-22 22:39:42,583 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 56 error locations.
[2024-11-22 22:39:42,639 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-22 22:39:42,644 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;@69e44136, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-22 22:39:42,645 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 56 error locations.
[2024-11-22 22:39:42,648 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-22 22:39:42,653 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-22 22:39:42,653 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:42,653 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:42,654 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:42,657 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:42,657 INFO  L85        PathProgramCache]: Analyzing trace with hash 1425738901, now seen corresponding path program 1 times
[2024-11-22 22:39:42,664 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:42,664 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058336867]
[2024-11-22 22:39:42,664 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:42,664 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:42,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:42,777 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-22 22:39:42,777 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:42,778 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2058336867]
[2024-11-22 22:39:42,778 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2058336867] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:42,778 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1367330573]
[2024-11-22 22:39:42,778 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:42,779 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:42,779 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:42,781 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)
[2024-11-22 22:39:42,782 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-22 22:39:42,812 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:42,814 INFO  L255         TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:42,817 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:42,824 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-22 22:39:42,826 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 22:39:42,826 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1367330573] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:42,827 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 22:39:42,827 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2
[2024-11-22 22:39:42,828 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873194821]
[2024-11-22 22:39:42,829 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:42,832 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-11-22 22:39:42,832 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:42,847 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-11-22 22:39:42,848 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 22:39:42,849 INFO  L87              Difference]: Start difference. First operand  has 138 states, 73 states have (on average 1.8493150684931507) internal successors, (135), 129 states have internal predecessors, (135), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:42,868 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:42,868 INFO  L93              Difference]: Finished difference Result 266 states and 295 transitions.
[2024-11-22 22:39:42,869 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-11-22 22:39:42,870 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2024-11-22 22:39:42,870 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:42,875 INFO  L225             Difference]: With dead ends: 266
[2024-11-22 22:39:42,875 INFO  L226             Difference]: Without dead ends: 125
[2024-11-22 22:39:42,878 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-11-22 22:39:42,880 INFO  L432           NwaCegarLoop]: 136 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, 136 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
[2024-11-22 22:39:42,881 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:39:42,892 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-11-22 22:39:42,906 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125.
[2024-11-22 22:39:42,907 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 125 states, 68 states have (on average 1.75) internal successors, (119), 117 states have internal predecessors, (119), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:42,909 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 129 transitions.
[2024-11-22 22:39:42,912 INFO  L78                 Accepts]: Start accepts. Automaton has 125 states and 129 transitions. Word has length 14
[2024-11-22 22:39:42,913 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:42,913 INFO  L471      AbstractCegarLoop]: Abstraction has 125 states and 129 transitions.
[2024-11-22 22:39:42,913 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:42,913 INFO  L276                IsEmpty]: Start isEmpty. Operand 125 states and 129 transitions.
[2024-11-22 22:39:42,914 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 15
[2024-11-22 22:39:42,914 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:42,914 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:42,924 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-22 22:39:43,115 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
[2024-11-22 22:39:43,115 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:43,116 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:43,116 INFO  L85        PathProgramCache]: Analyzing trace with hash 1032771473, now seen corresponding path program 1 times
[2024-11-22 22:39:43,116 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:43,116 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951257351]
[2024-11-22 22:39:43,116 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,116 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:43,126 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:43,224 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-22 22:39:43,224 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:43,224 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951257351]
[2024-11-22 22:39:43,225 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951257351] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:43,225 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:43,225 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:39:43,225 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750577305]
[2024-11-22 22:39:43,225 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:43,226 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:39:43,226 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:43,227 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:39:43,227 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:43,227 INFO  L87              Difference]: Start difference. First operand 125 states and 129 transitions. Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:43,287 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:43,287 INFO  L93              Difference]: Finished difference Result 125 states and 129 transitions.
[2024-11-22 22:39:43,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:39:43,288 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14
[2024-11-22 22:39:43,288 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:43,289 INFO  L225             Difference]: With dead ends: 125
[2024-11-22 22:39:43,289 INFO  L226             Difference]: Without dead ends: 121
[2024-11-22 22:39:43,290 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:43,291 INFO  L432           NwaCegarLoop]: 103 mSDtfsCounter, 13 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:43,291 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 201 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:39:43,292 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2024-11-22 22:39:43,296 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121.
[2024-11-22 22:39:43,299 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 121 states, 68 states have (on average 1.6911764705882353) internal successors, (115), 113 states have internal predecessors, (115), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:43,300 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 125 transitions.
[2024-11-22 22:39:43,302 INFO  L78                 Accepts]: Start accepts. Automaton has 121 states and 125 transitions. Word has length 14
[2024-11-22 22:39:43,303 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:43,303 INFO  L471      AbstractCegarLoop]: Abstraction has 121 states and 125 transitions.
[2024-11-22 22:39:43,303 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:43,304 INFO  L276                IsEmpty]: Start isEmpty. Operand 121 states and 125 transitions.
[2024-11-22 22:39:43,304 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2024-11-22 22:39:43,304 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:43,304 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:43,305 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-22 22:39:43,305 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:43,305 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:43,307 INFO  L85        PathProgramCache]: Analyzing trace with hash 1951144630, now seen corresponding path program 1 times
[2024-11-22 22:39:43,307 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:43,307 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345645780]
[2024-11-22 22:39:43,307 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,307 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:43,321 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:43,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2024-11-22 22:39:43,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:43,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345645780]
[2024-11-22 22:39:43,361 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345645780] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:43,361 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:43,361 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:39:43,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584727207]
[2024-11-22 22:39:43,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:43,362 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:39:43,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:43,362 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:39:43,362 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:43,362 INFO  L87              Difference]: Start difference. First operand 121 states and 125 transitions. Second operand  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:43,399 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:43,400 INFO  L93              Difference]: Finished difference Result 121 states and 125 transitions.
[2024-11-22 22:39:43,400 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:39:43,400 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15
[2024-11-22 22:39:43,400 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:43,401 INFO  L225             Difference]: With dead ends: 121
[2024-11-22 22:39:43,401 INFO  L226             Difference]: Without dead ends: 117
[2024-11-22 22:39:43,401 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:43,402 INFO  L432           NwaCegarLoop]: 103 mSDtfsCounter, 12 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:43,402 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 201 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:39:43,403 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2024-11-22 22:39:43,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2024-11-22 22:39:43,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 117 states, 68 states have (on average 1.6323529411764706) internal successors, (111), 109 states have internal predecessors, (111), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:43,415 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 121 transitions.
[2024-11-22 22:39:43,417 INFO  L78                 Accepts]: Start accepts. Automaton has 117 states and 121 transitions. Word has length 15
[2024-11-22 22:39:43,417 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:43,417 INFO  L471      AbstractCegarLoop]: Abstraction has 117 states and 121 transitions.
[2024-11-22 22:39:43,417 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-22 22:39:43,417 INFO  L276                IsEmpty]: Start isEmpty. Operand 117 states and 121 transitions.
[2024-11-22 22:39:43,418 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-22 22:39:43,418 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:43,418 INFO  L215           NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:43,418 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-22 22:39:43,418 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:43,419 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:43,419 INFO  L85        PathProgramCache]: Analyzing trace with hash -423159302, now seen corresponding path program 1 times
[2024-11-22 22:39:43,419 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:43,419 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919433070]
[2024-11-22 22:39:43,419 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,420 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:43,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-22 22:39:43,440 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1872954419]
[2024-11-22 22:39:43,440 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,440 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:43,440 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:43,442 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)
[2024-11-22 22:39:43,444 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-22 22:39:43,479 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:43,480 INFO  L255         TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:43,481 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:43,554 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-22 22:39:43,554 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 22:39:43,555 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:43,555 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919433070]
[2024-11-22 22:39:43,556 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-22 22:39:43,556 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872954419]
[2024-11-22 22:39:43,557 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872954419] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:43,557 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:43,559 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:39:43,559 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089531898]
[2024-11-22 22:39:43,559 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:43,560 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:39:43,560 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:43,561 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:39:43,561 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:43,561 INFO  L87              Difference]: Start difference. First operand 117 states and 121 transitions. Second operand  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-22 22:39:43,630 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:43,633 INFO  L93              Difference]: Finished difference Result 117 states and 121 transitions.
[2024-11-22 22:39:43,634 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:39:43,634 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2024-11-22 22:39:43,634 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:43,635 INFO  L225             Difference]: With dead ends: 117
[2024-11-22 22:39:43,635 INFO  L226             Difference]: Without dead ends: 115
[2024-11-22 22:39:43,635 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:43,636 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 8 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 379 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:43,636 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 379 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:43,637 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 115 states.
[2024-11-22 22:39:43,641 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115.
[2024-11-22 22:39:43,641 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:43,642 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions.
[2024-11-22 22:39:43,642 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 19
[2024-11-22 22:39:43,642 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:43,642 INFO  L471      AbstractCegarLoop]: Abstraction has 115 states and 119 transitions.
[2024-11-22 22:39:43,643 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-22 22:39:43,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions.
[2024-11-22 22:39:43,643 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-22 22:39:43,643 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:43,643 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:43,651 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-22 22:39:43,847 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2024-11-22 22:39:43,848 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:43,848 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:43,848 INFO  L85        PathProgramCache]: Analyzing trace with hash 1491537499, now seen corresponding path program 1 times
[2024-11-22 22:39:43,849 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:43,849 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081180351]
[2024-11-22 22:39:43,849 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,849 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:43,887 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-22 22:39:43,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1994404777]
[2024-11-22 22:39:43,889 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:43,889 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:43,889 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:43,891 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:43,893 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-22 22:39:43,923 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:43,924 INFO  L255         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:43,925 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:44,040 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:44,041 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:39:44,106 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:44,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081180351]
[2024-11-22 22:39:44,107 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-22 22:39:44,107 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1994404777]
[2024-11-22 22:39:44,107 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1994404777] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:44,108 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences.
[2024-11-22 22:39:44,108 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4
[2024-11-22 22:39:44,108 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105239124]
[2024-11-22 22:39:44,108 INFO  L85    oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:39:44,108 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:39:44,108 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:44,109 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:39:44,109 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:39:44,109 INFO  L87              Difference]: Start difference. First operand 115 states and 119 transitions. Second operand  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-22 22:39:44,176 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:44,176 INFO  L93              Difference]: Finished difference Result 115 states and 119 transitions.
[2024-11-22 22:39:44,177 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:39:44,177 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36
[2024-11-22 22:39:44,177 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:44,178 INFO  L225             Difference]: With dead ends: 115
[2024-11-22 22:39:44,178 INFO  L226             Difference]: Without dead ends: 112
[2024-11-22 22:39:44,178 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:39:44,179 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 80 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:44,179 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 294 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:44,181 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 112 states.
[2024-11-22 22:39:44,187 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112.
[2024-11-22 22:39:44,187 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 112 states, 68 states have (on average 1.5588235294117647) internal successors, (106), 104 states have internal predecessors, (106), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:44,191 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions.
[2024-11-22 22:39:44,191 INFO  L78                 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 36
[2024-11-22 22:39:44,192 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:44,192 INFO  L471      AbstractCegarLoop]: Abstraction has 112 states and 116 transitions.
[2024-11-22 22:39:44,192 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2024-11-22 22:39:44,192 INFO  L276                IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions.
[2024-11-22 22:39:44,193 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-22 22:39:44,193 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:44,193 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:44,199 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-22 22:39:44,393 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:44,394 INFO  L396      AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:44,394 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:44,394 INFO  L85        PathProgramCache]: Analyzing trace with hash -1006977722, now seen corresponding path program 1 times
[2024-11-22 22:39:44,394 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:44,394 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659855728]
[2024-11-22 22:39:44,394 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:44,394 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:44,411 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:44,573 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:44,573 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:44,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659855728]
[2024-11-22 22:39:44,573 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659855728] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:44,573 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231226654]
[2024-11-22 22:39:44,573 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:44,573 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:44,573 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:44,578 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:44,579 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-22 22:39:44,606 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:44,606 INFO  L255         TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:44,608 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:44,682 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:44,683 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 22:39:44,683 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231226654] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:44,683 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-22 22:39:44,683 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-22 22:39:44,683 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434941631]
[2024-11-22 22:39:44,683 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:44,684 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-22 22:39:44,684 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:44,684 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-22 22:39:44,684 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-22 22:39:44,684 INFO  L87              Difference]: Start difference. First operand 112 states and 116 transitions. Second operand  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:44,743 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:44,743 INFO  L93              Difference]: Finished difference Result 112 states and 116 transitions.
[2024-11-22 22:39:44,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-22 22:39:44,744 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 37
[2024-11-22 22:39:44,744 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:44,744 INFO  L225             Difference]: With dead ends: 112
[2024-11-22 22:39:44,745 INFO  L226             Difference]: Without dead ends: 111
[2024-11-22 22:39:44,745 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2024-11-22 22:39:44,747 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 79 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:44,747 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 373 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:44,748 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 111 states.
[2024-11-22 22:39:44,753 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111.
[2024-11-22 22:39:44,757 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 111 states, 68 states have (on average 1.5441176470588236) internal successors, (105), 103 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:44,757 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions.
[2024-11-22 22:39:44,757 INFO  L78                 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 37
[2024-11-22 22:39:44,758 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:44,758 INFO  L471      AbstractCegarLoop]: Abstraction has 111 states and 115 transitions.
[2024-11-22 22:39:44,758 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:44,758 INFO  L276                IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions.
[2024-11-22 22:39:44,758 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-22 22:39:44,758 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:44,758 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:44,766 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-22 22:39:44,959 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:44,959 INFO  L396      AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:44,960 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:44,961 INFO  L85        PathProgramCache]: Analyzing trace with hash -1337946872, now seen corresponding path program 1 times
[2024-11-22 22:39:44,961 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:44,961 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959199316]
[2024-11-22 22:39:44,961 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:44,961 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:44,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:45,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:45,012 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:45,012 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959199316]
[2024-11-22 22:39:45,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959199316] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:45,012 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:45,012 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:39:45,012 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316300271]
[2024-11-22 22:39:45,012 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:45,012 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:39:45,012 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:45,013 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:39:45,013 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:45,013 INFO  L87              Difference]: Start difference. First operand 111 states and 115 transitions. Second operand  has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,042 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:45,042 INFO  L93              Difference]: Finished difference Result 114 states and 118 transitions.
[2024-11-22 22:39:45,043 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:39:45,043 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 39
[2024-11-22 22:39:45,043 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:45,044 INFO  L225             Difference]: With dead ends: 114
[2024-11-22 22:39:45,044 INFO  L226             Difference]: Without dead ends: 113
[2024-11-22 22:39:45,044 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:45,045 INFO  L432           NwaCegarLoop]: 96 mSDtfsCounter, 35 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:45,045 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 159 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:39:45,045 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2024-11-22 22:39:45,049 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113.
[2024-11-22 22:39:45,049 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:45,050 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions.
[2024-11-22 22:39:45,050 INFO  L78                 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39
[2024-11-22 22:39:45,050 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:45,050 INFO  L471      AbstractCegarLoop]: Abstraction has 113 states and 117 transitions.
[2024-11-22 22:39:45,051 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,051 INFO  L276                IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions.
[2024-11-22 22:39:45,051 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-22 22:39:45,051 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:45,051 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:45,052 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-22 22:39:45,052 INFO  L396      AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:45,052 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:45,052 INFO  L85        PathProgramCache]: Analyzing trace with hash 1473320006, now seen corresponding path program 1 times
[2024-11-22 22:39:45,052 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:45,052 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751108271]
[2024-11-22 22:39:45,053 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:45,053 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:45,059 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:45,097 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:45,098 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:45,098 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751108271]
[2024-11-22 22:39:45,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751108271] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:45,098 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:45,098 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 22:39:45,098 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152074710]
[2024-11-22 22:39:45,098 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:45,098 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 22:39:45,098 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:45,099 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 22:39:45,099 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 22:39:45,099 INFO  L87              Difference]: Start difference. First operand 113 states and 117 transitions. Second operand  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,159 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:45,159 INFO  L93              Difference]: Finished difference Result 115 states and 119 transitions.
[2024-11-22 22:39:45,159 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 22:39:45,159 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40
[2024-11-22 22:39:45,160 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:45,160 INFO  L225             Difference]: With dead ends: 115
[2024-11-22 22:39:45,160 INFO  L226             Difference]: Without dead ends: 114
[2024-11-22 22:39:45,161 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 22:39:45,162 INFO  L432           NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:45,162 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 212 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:45,162 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 114 states.
[2024-11-22 22:39:45,167 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114.
[2024-11-22 22:39:45,167 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:45,168 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions.
[2024-11-22 22:39:45,168 INFO  L78                 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40
[2024-11-22 22:39:45,169 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:45,169 INFO  L471      AbstractCegarLoop]: Abstraction has 114 states and 118 transitions.
[2024-11-22 22:39:45,169 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,169 INFO  L276                IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions.
[2024-11-22 22:39:45,169 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 42
[2024-11-22 22:39:45,170 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:45,170 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:45,170 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-22 22:39:45,170 INFO  L396      AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:45,170 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:45,170 INFO  L85        PathProgramCache]: Analyzing trace with hash -1571719990, now seen corresponding path program 1 times
[2024-11-22 22:39:45,170 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:45,170 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724006169]
[2024-11-22 22:39:45,170 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:45,170 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:45,180 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-22 22:39:45,181 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170066525]
[2024-11-22 22:39:45,181 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:45,181 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:45,181 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:45,183 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:45,184 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-22 22:39:45,213 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:45,213 INFO  L255         TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:45,215 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:45,239 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:45,239 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 22:39:45,239 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:45,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724006169]
[2024-11-22 22:39:45,240 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-22 22:39:45,240 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170066525]
[2024-11-22 22:39:45,240 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [170066525] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:45,240 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:45,240 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:39:45,240 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37205101]
[2024-11-22 22:39:45,240 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:45,241 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:39:45,241 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:45,241 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:39:45,241 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:45,241 INFO  L87              Difference]: Start difference. First operand 114 states and 118 transitions. Second operand  has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,282 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:45,283 INFO  L93              Difference]: Finished difference Result 150 states and 162 transitions.
[2024-11-22 22:39:45,283 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:39:45,283 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41
[2024-11-22 22:39:45,283 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:45,284 INFO  L225             Difference]: With dead ends: 150
[2024-11-22 22:39:45,284 INFO  L226             Difference]: Without dead ends: 149
[2024-11-22 22:39:45,284 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:45,285 INFO  L432           NwaCegarLoop]: 98 mSDtfsCounter, 33 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:45,285 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 188 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-22 22:39:45,286 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-22 22:39:45,289 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115.
[2024-11-22 22:39:45,290 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:45,290 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions.
[2024-11-22 22:39:45,290 INFO  L78                 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41
[2024-11-22 22:39:45,291 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:45,291 INFO  L471      AbstractCegarLoop]: Abstraction has 115 states and 119 transitions.
[2024-11-22 22:39:45,291 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:45,291 INFO  L276                IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions.
[2024-11-22 22:39:45,292 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 43
[2024-11-22 22:39:45,292 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:45,292 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:45,298 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-22 22:39:45,492 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:45,493 INFO  L396      AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:45,500 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:45,500 INFO  L85        PathProgramCache]: Analyzing trace with hash -1478679352, now seen corresponding path program 1 times
[2024-11-22 22:39:45,501 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:45,501 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340313233]
[2024-11-22 22:39:45,501 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:45,501 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:45,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:45,689 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.
[2024-11-22 22:39:45,690 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:45,690 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340313233]
[2024-11-22 22:39:45,690 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340313233] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:45,690 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345419120]
[2024-11-22 22:39:45,690 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:45,690 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:45,691 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:45,692 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:45,694 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-22 22:39:45,727 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:45,727 INFO  L255         TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:45,729 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:45,906 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:45,906 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:39:46,117 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [345419120] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:46,117 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-22 22:39:46,118 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 11
[2024-11-22 22:39:46,118 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [480787178]
[2024-11-22 22:39:46,118 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:39:46,119 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-22 22:39:46,119 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:46,119 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-22 22:39:46,120 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272
[2024-11-22 22:39:46,120 INFO  L87              Difference]: Start difference. First operand 115 states and 119 transitions. Second operand  has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8)
[2024-11-22 22:39:46,335 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:46,336 INFO  L93              Difference]: Finished difference Result 150 states and 161 transitions.
[2024-11-22 22:39:46,336 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2024-11-22 22:39:46,336 INFO  L78                 Accepts]: Start accepts. Automaton has  has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 42
[2024-11-22 22:39:46,336 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:46,337 INFO  L225             Difference]: With dead ends: 150
[2024-11-22 22:39:46,337 INFO  L226             Difference]: Without dead ends: 149
[2024-11-22 22:39:46,337 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=353, Unknown=0, NotChecked=0, Total=462
[2024-11-22 22:39:46,338 INFO  L432           NwaCegarLoop]: 74 mSDtfsCounter, 207 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 208 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 280 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:46,338 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [208 Valid, 519 Invalid, 280 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:46,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-22 22:39:46,343 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 116.
[2024-11-22 22:39:46,343 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 116 states, 73 states have (on average 1.5068493150684932) internal successors, (110), 108 states have internal predecessors, (110), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5)
[2024-11-22 22:39:46,343 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions.
[2024-11-22 22:39:46,344 INFO  L78                 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 42
[2024-11-22 22:39:46,344 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:46,344 INFO  L471      AbstractCegarLoop]: Abstraction has 116 states and 120 transitions.
[2024-11-22 22:39:46,344 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 11 states have (on average 4.454545454545454) internal successors, (49), 11 states have internal predecessors, (49), 6 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8)
[2024-11-22 22:39:46,344 INFO  L276                IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions.
[2024-11-22 22:39:46,345 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-22 22:39:46,345 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:46,345 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:46,352 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-22 22:39:46,547 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:46,548 INFO  L396      AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:46,548 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:46,548 INFO  L85        PathProgramCache]: Analyzing trace with hash 623320394, now seen corresponding path program 1 times
[2024-11-22 22:39:46,548 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:46,548 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173913317]
[2024-11-22 22:39:46,548 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:46,548 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:46,561 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-22 22:39:46,562 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1141259974]
[2024-11-22 22:39:46,562 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:46,562 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:46,562 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:46,564 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:46,565 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-22 22:39:46,595 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:46,597 INFO  L255         TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:46,598 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:46,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:46,743 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:39:46,848 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-22 22:39:46,848 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:46,848 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173913317]
[2024-11-22 22:39:46,848 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-22 22:39:46,848 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1141259974]
[2024-11-22 22:39:46,848 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1141259974] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:39:46,849 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2024-11-22 22:39:46,849 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2024-11-22 22:39:46,850 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960196383]
[2024-11-22 22:39:46,850 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:39:46,851 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-22 22:39:46,851 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:46,852 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-22 22:39:46,852 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72
[2024-11-22 22:39:46,852 INFO  L87              Difference]: Start difference. First operand 116 states and 120 transitions. Second operand  has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-22 22:39:47,477 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:47,477 INFO  L93              Difference]: Finished difference Result 192 states and 216 transitions.
[2024-11-22 22:39:47,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2024-11-22 22:39:47,477 INFO  L78                 Accepts]: Start accepts. Automaton has  has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 44
[2024-11-22 22:39:47,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:47,478 INFO  L225             Difference]: With dead ends: 192
[2024-11-22 22:39:47,478 INFO  L226             Difference]: Without dead ends: 177
[2024-11-22 22:39:47,479 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90
[2024-11-22 22:39:47,479 INFO  L432           NwaCegarLoop]: 56 mSDtfsCounter, 114 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:47,479 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 331 Invalid, 373 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time]
[2024-11-22 22:39:47,479 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 177 states.
[2024-11-22 22:39:47,484 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 159.
[2024-11-22 22:39:47,485 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 159 states, 124 states have (on average 1.4435483870967742) internal successors, (179), 150 states have internal predecessors, (179), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2024-11-22 22:39:47,485 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 191 transitions.
[2024-11-22 22:39:47,485 INFO  L78                 Accepts]: Start accepts. Automaton has 159 states and 191 transitions. Word has length 44
[2024-11-22 22:39:47,486 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:47,486 INFO  L471      AbstractCegarLoop]: Abstraction has 159 states and 191 transitions.
[2024-11-22 22:39:47,486 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 8 states have (on average 6.625) internal successors, (53), 9 states have internal predecessors, (53), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7)
[2024-11-22 22:39:47,486 INFO  L276                IsEmpty]: Start isEmpty. Operand 159 states and 191 transitions.
[2024-11-22 22:39:47,486 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 47
[2024-11-22 22:39:47,487 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:47,487 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:47,493 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2024-11-22 22:39:47,690 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:47,691 INFO  L396      AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:47,691 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:47,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 2010447308, now seen corresponding path program 1 times
[2024-11-22 22:39:47,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:47,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128735686]
[2024-11-22 22:39:47,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:47,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:47,702 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unknown
[2024-11-22 22:39:47,703 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691494551]
[2024-11-22 22:39:47,703 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:47,703 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:47,703 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:47,705 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:47,706 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-22 22:39:47,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:47,732 INFO  L255         TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:47,733 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:47,748 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:47,749 INFO  L307         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-22 22:39:47,749 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:47,749 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128735686]
[2024-11-22 22:39:47,749 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2024-11-22 22:39:47,749 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691494551]
[2024-11-22 22:39:47,749 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691494551] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:47,749 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:47,749 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-22 22:39:47,749 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685693105]
[2024-11-22 22:39:47,750 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:47,750 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-22 22:39:47,750 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:47,750 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-22 22:39:47,750 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:47,751 INFO  L87              Difference]: Start difference. First operand 159 states and 191 transitions. Second operand  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:47,837 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:47,837 INFO  L93              Difference]: Finished difference Result 273 states and 337 transitions.
[2024-11-22 22:39:47,838 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-22 22:39:47,838 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 46
[2024-11-22 22:39:47,838 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:47,839 INFO  L225             Difference]: With dead ends: 273
[2024-11-22 22:39:47,839 INFO  L226             Difference]: Without dead ends: 244
[2024-11-22 22:39:47,840 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-22 22:39:47,840 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 44 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:47,840 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 134 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:47,841 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 244 states.
[2024-11-22 22:39:47,847 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 236.
[2024-11-22 22:39:47,848 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 236 states, 199 states have (on average 1.3919597989949748) internal successors, (277), 225 states have internal predecessors, (277), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:47,848 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 293 transitions.
[2024-11-22 22:39:47,849 INFO  L78                 Accepts]: Start accepts. Automaton has 236 states and 293 transitions. Word has length 46
[2024-11-22 22:39:47,849 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:47,849 INFO  L471      AbstractCegarLoop]: Abstraction has 236 states and 293 transitions.
[2024-11-22 22:39:47,849 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4)
[2024-11-22 22:39:47,849 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states and 293 transitions.
[2024-11-22 22:39:47,850 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-22 22:39:47,850 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:47,850 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:47,856 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-22 22:39:48,054 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-22 22:39:48,055 INFO  L396      AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,055 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,055 INFO  L85        PathProgramCache]: Analyzing trace with hash -70702230, now seen corresponding path program 1 times
[2024-11-22 22:39:48,056 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,056 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398480963]
[2024-11-22 22:39:48,056 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,056 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,064 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,105 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,105 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,105 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398480963]
[2024-11-22 22:39:48,105 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398480963] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:48,105 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:48,105 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:39:48,106 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811803967]
[2024-11-22 22:39:48,106 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:48,106 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:39:48,106 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:48,106 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:39:48,106 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:48,107 INFO  L87              Difference]: Start difference. First operand 236 states and 293 transitions. Second operand  has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,202 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:48,203 INFO  L93              Difference]: Finished difference Result 236 states and 293 transitions.
[2024-11-22 22:39:48,203 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:39:48,203 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64
[2024-11-22 22:39:48,203 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:48,204 INFO  L225             Difference]: With dead ends: 236
[2024-11-22 22:39:48,204 INFO  L226             Difference]: Without dead ends: 235
[2024-11-22 22:39:48,205 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-22 22:39:48,205 INFO  L432           NwaCegarLoop]: 69 mSDtfsCounter, 101 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:48,205 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 178 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:48,206 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 235 states.
[2024-11-22 22:39:48,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235.
[2024-11-22 22:39:48,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 235 states, 199 states have (on average 1.3718592964824121) internal successors, (273), 224 states have internal predecessors, (273), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:48,213 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 289 transitions.
[2024-11-22 22:39:48,213 INFO  L78                 Accepts]: Start accepts. Automaton has 235 states and 289 transitions. Word has length 64
[2024-11-22 22:39:48,213 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:48,213 INFO  L471      AbstractCegarLoop]: Abstraction has 235 states and 289 transitions.
[2024-11-22 22:39:48,213 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,214 INFO  L276                IsEmpty]: Start isEmpty. Operand 235 states and 289 transitions.
[2024-11-22 22:39:48,214 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2024-11-22 22:39:48,214 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:48,214 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:48,214 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-22 22:39:48,214 INFO  L396      AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,215 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,215 INFO  L85        PathProgramCache]: Analyzing trace with hash -70702550, now seen corresponding path program 1 times
[2024-11-22 22:39:48,215 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,215 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76237786]
[2024-11-22 22:39:48,215 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,215 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,221 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,252 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,253 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,253 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76237786]
[2024-11-22 22:39:48,253 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76237786] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:48,253 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:48,253 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 22:39:48,253 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424722822]
[2024-11-22 22:39:48,253 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:48,254 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 22:39:48,254 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:48,254 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 22:39:48,254 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-22 22:39:48,254 INFO  L87              Difference]: Start difference. First operand 235 states and 289 transitions. Second operand  has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,341 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:48,341 INFO  L93              Difference]: Finished difference Result 243 states and 290 transitions.
[2024-11-22 22:39:48,342 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 22:39:48,342 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64
[2024-11-22 22:39:48,342 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:48,343 INFO  L225             Difference]: With dead ends: 243
[2024-11-22 22:39:48,343 INFO  L226             Difference]: Without dead ends: 242
[2024-11-22 22:39:48,343 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-22 22:39:48,344 INFO  L432           NwaCegarLoop]: 77 mSDtfsCounter, 31 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:48,344 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 150 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:48,344 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 242 states.
[2024-11-22 22:39:48,350 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 235.
[2024-11-22 22:39:48,351 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 235 states, 199 states have (on average 1.3618090452261307) internal successors, (271), 224 states have internal predecessors, (271), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:48,352 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 287 transitions.
[2024-11-22 22:39:48,352 INFO  L78                 Accepts]: Start accepts. Automaton has 235 states and 287 transitions. Word has length 64
[2024-11-22 22:39:48,352 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:48,352 INFO  L471      AbstractCegarLoop]: Abstraction has 235 states and 287 transitions.
[2024-11-22 22:39:48,352 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,352 INFO  L276                IsEmpty]: Start isEmpty. Operand 235 states and 287 transitions.
[2024-11-22 22:39:48,353 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-22 22:39:48,353 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:48,353 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:48,353 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13
[2024-11-22 22:39:48,353 INFO  L396      AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,353 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,354 INFO  L85        PathProgramCache]: Analyzing trace with hash 2103198299, now seen corresponding path program 1 times
[2024-11-22 22:39:48,354 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,354 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112145157]
[2024-11-22 22:39:48,354 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,354 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,360 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,389 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,389 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,389 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112145157]
[2024-11-22 22:39:48,389 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112145157] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:48,389 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:48,389 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-22 22:39:48,390 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927039370]
[2024-11-22 22:39:48,390 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:48,390 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-22 22:39:48,390 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:48,390 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-22 22:39:48,390 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-22 22:39:48,391 INFO  L87              Difference]: Start difference. First operand 235 states and 287 transitions. Second operand  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:48,482 INFO  L93              Difference]: Finished difference Result 246 states and 298 transitions.
[2024-11-22 22:39:48,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-11-22 22:39:48,482 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65
[2024-11-22 22:39:48,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:48,483 INFO  L225             Difference]: With dead ends: 246
[2024-11-22 22:39:48,484 INFO  L226             Difference]: Without dead ends: 245
[2024-11-22 22:39:48,484 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:48,484 INFO  L432           NwaCegarLoop]: 82 mSDtfsCounter, 50 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:48,484 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 172 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:48,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 245 states.
[2024-11-22 22:39:48,491 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 234.
[2024-11-22 22:39:48,491 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 234 states, 199 states have (on average 1.3417085427135678) internal successors, (267), 223 states have internal predecessors, (267), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:48,492 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 283 transitions.
[2024-11-22 22:39:48,492 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 283 transitions. Word has length 65
[2024-11-22 22:39:48,492 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:48,492 INFO  L471      AbstractCegarLoop]: Abstraction has 234 states and 283 transitions.
[2024-11-22 22:39:48,492 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,492 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 283 transitions.
[2024-11-22 22:39:48,493 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2024-11-22 22:39:48,493 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:48,493 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-22 22:39:48,493 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-22 22:39:48,493 INFO  L396      AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,494 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,494 INFO  L85        PathProgramCache]: Analyzing trace with hash 2103188369, now seen corresponding path program 1 times
[2024-11-22 22:39:48,494 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,494 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192789990]
[2024-11-22 22:39:48,494 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,494 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,501 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,567 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,567 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192789990]
[2024-11-22 22:39:48,567 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192789990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:48,567 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:48,567 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:39:48,567 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106489464]
[2024-11-22 22:39:48,567 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:48,567 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:39:48,567 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:48,568 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:39:48,568 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:48,568 INFO  L87              Difference]: Start difference. First operand 234 states and 283 transitions. Second operand  has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,702 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:48,703 INFO  L93              Difference]: Finished difference Result 237 states and 284 transitions.
[2024-11-22 22:39:48,703 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:39:48,703 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65
[2024-11-22 22:39:48,703 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:48,704 INFO  L225             Difference]: With dead ends: 237
[2024-11-22 22:39:48,704 INFO  L226             Difference]: Without dead ends: 236
[2024-11-22 22:39:48,704 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:39:48,705 INFO  L432           NwaCegarLoop]: 72 mSDtfsCounter, 145 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:48,705 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 157 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:48,705 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 236 states.
[2024-11-22 22:39:48,711 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 234.
[2024-11-22 22:39:48,712 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 234 states, 199 states have (on average 1.3316582914572865) internal successors, (265), 223 states have internal predecessors, (265), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:48,712 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 281 transitions.
[2024-11-22 22:39:48,713 INFO  L78                 Accepts]: Start accepts. Automaton has 234 states and 281 transitions. Word has length 65
[2024-11-22 22:39:48,713 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:48,713 INFO  L471      AbstractCegarLoop]: Abstraction has 234 states and 281 transitions.
[2024-11-22 22:39:48,713 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,713 INFO  L276                IsEmpty]: Start isEmpty. Operand 234 states and 281 transitions.
[2024-11-22 22:39:48,714 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2024-11-22 22:39:48,714 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:48,714 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-22 22:39:48,714 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15
[2024-11-22 22:39:48,714 INFO  L396      AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,714 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,714 INFO  L85        PathProgramCache]: Analyzing trace with hash 380438143, now seen corresponding path program 1 times
[2024-11-22 22:39:48,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,715 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166912544]
[2024-11-22 22:39:48,715 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,757 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,758 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,758 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166912544]
[2024-11-22 22:39:48,758 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166912544] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-22 22:39:48,758 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-22 22:39:48,758 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-22 22:39:48,758 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050200350]
[2024-11-22 22:39:48,758 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-22 22:39:48,759 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-22 22:39:48,759 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:48,759 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-22 22:39:48,759 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-22 22:39:48,759 INFO  L87              Difference]: Start difference. First operand 234 states and 281 transitions. Second operand  has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,841 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:48,841 INFO  L93              Difference]: Finished difference Result 239 states and 288 transitions.
[2024-11-22 22:39:48,841 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-11-22 22:39:48,841 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69
[2024-11-22 22:39:48,842 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:48,842 INFO  L225             Difference]: With dead ends: 239
[2024-11-22 22:39:48,842 INFO  L226             Difference]: Without dead ends: 238
[2024-11-22 22:39:48,843 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30
[2024-11-22 22:39:48,843 INFO  L432           NwaCegarLoop]: 74 mSDtfsCounter, 60 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:48,843 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 172 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-22 22:39:48,844 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 238 states.
[2024-11-22 22:39:48,850 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236.
[2024-11-22 22:39:48,850 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 236 states, 201 states have (on average 1.3134328358208955) internal successors, (264), 225 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:48,851 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 280 transitions.
[2024-11-22 22:39:48,851 INFO  L78                 Accepts]: Start accepts. Automaton has 236 states and 280 transitions. Word has length 69
[2024-11-22 22:39:48,851 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:48,851 INFO  L471      AbstractCegarLoop]: Abstraction has 236 states and 280 transitions.
[2024-11-22 22:39:48,852 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-22 22:39:48,852 INFO  L276                IsEmpty]: Start isEmpty. Operand 236 states and 280 transitions.
[2024-11-22 22:39:48,852 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 70
[2024-11-22 22:39:48,852 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:48,852 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-22 22:39:48,852 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-22 22:39:48,853 INFO  L396      AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:48,853 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:48,853 INFO  L85        PathProgramCache]: Analyzing trace with hash -200498315, now seen corresponding path program 1 times
[2024-11-22 22:39:48,853 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:48,853 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659067105]
[2024-11-22 22:39:48,853 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,853 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:48,860 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:48,922 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:48,922 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659067105]
[2024-11-22 22:39:48,922 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659067105] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:48,922 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892946796]
[2024-11-22 22:39:48,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:48,923 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:48,923 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:48,924 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:48,925 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-22 22:39:48,955 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:48,956 INFO  L255         TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:48,957 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:49,106 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:49,106 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:39:49,193 INFO  L134       CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:49,193 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [892946796] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:39:49,193 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-22 22:39:49,193 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13
[2024-11-22 22:39:49,193 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68788618]
[2024-11-22 22:39:49,193 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:39:49,194 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-22 22:39:49,194 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:49,194 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-22 22:39:49,195 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182
[2024-11-22 22:39:49,195 INFO  L87              Difference]: Start difference. First operand 236 states and 280 transitions. Second operand  has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11)
[2024-11-22 22:39:49,604 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:49,604 INFO  L93              Difference]: Finished difference Result 302 states and 368 transitions.
[2024-11-22 22:39:49,605 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2024-11-22 22:39:49,605 INFO  L78                 Accepts]: Start accepts. Automaton has  has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 69
[2024-11-22 22:39:49,605 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:49,606 INFO  L225             Difference]: With dead ends: 302
[2024-11-22 22:39:49,606 INFO  L226             Difference]: Without dead ends: 300
[2024-11-22 22:39:49,607 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506
[2024-11-22 22:39:49,607 INFO  L432           NwaCegarLoop]: 54 mSDtfsCounter, 403 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:49,607 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 295 Invalid, 574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 22:39:49,608 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 300 states.
[2024-11-22 22:39:49,617 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 241.
[2024-11-22 22:39:49,617 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 241 states, 207 states have (on average 1.3043478260869565) internal successors, (270), 230 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:49,618 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 286 transitions.
[2024-11-22 22:39:49,618 INFO  L78                 Accepts]: Start accepts. Automaton has 241 states and 286 transitions. Word has length 69
[2024-11-22 22:39:49,618 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:49,618 INFO  L471      AbstractCegarLoop]: Abstraction has 241 states and 286 transitions.
[2024-11-22 22:39:49,619 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 13 states have (on average 9.615384615384615) internal successors, (125), 14 states have internal predecessors, (125), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11)
[2024-11-22 22:39:49,619 INFO  L276                IsEmpty]: Start isEmpty. Operand 241 states and 286 transitions.
[2024-11-22 22:39:49,619 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-22 22:39:49,619 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:49,619 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-22 22:39:49,627 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2024-11-22 22:39:49,820 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-11-22 22:39:49,820 INFO  L396      AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:49,820 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:49,820 INFO  L85        PathProgramCache]: Analyzing trace with hash -1091319377, now seen corresponding path program 1 times
[2024-11-22 22:39:49,820 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:49,821 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391431138]
[2024-11-22 22:39:49,821 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:49,821 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:49,828 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:49,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:49,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:49,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391431138]
[2024-11-22 22:39:49,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [391431138] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:49,871 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653495669]
[2024-11-22 22:39:49,872 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:49,872 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:49,872 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:49,874 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:49,875 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-22 22:39:49,906 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:49,907 INFO  L255         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:49,908 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:39:50,052 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:50,052 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:39:50,150 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:50,151 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653495669] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:39:50,151 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-22 22:39:50,151 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14
[2024-11-22 22:39:50,151 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325443258]
[2024-11-22 22:39:50,151 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:39:50,152 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-22 22:39:50,152 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:39:50,152 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-22 22:39:50,152 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210
[2024-11-22 22:39:50,153 INFO  L87              Difference]: Start difference. First operand 241 states and 286 transitions. Second operand  has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14)
[2024-11-22 22:39:50,482 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-22 22:39:50,482 INFO  L93              Difference]: Finished difference Result 275 states and 326 transitions.
[2024-11-22 22:39:50,482 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2024-11-22 22:39:50,483 INFO  L78                 Accepts]: Start accepts. Automaton has  has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14) Word has length 70
[2024-11-22 22:39:50,483 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-22 22:39:50,484 INFO  L225             Difference]: With dead ends: 275
[2024-11-22 22:39:50,484 INFO  L226             Difference]: Without dead ends: 273
[2024-11-22 22:39:50,484 INFO  L431           NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420
[2024-11-22 22:39:50,485 INFO  L432           NwaCegarLoop]: 48 mSDtfsCounter, 151 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 517 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 529 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 517 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2024-11-22 22:39:50,485 INFO  L433           NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 268 Invalid, 529 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 517 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2024-11-22 22:39:50,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2024-11-22 22:39:50,492 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 246.
[2024-11-22 22:39:50,492 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 246 states, 212 states have (on average 1.2735849056603774) internal successors, (270), 235 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8)
[2024-11-22 22:39:50,493 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 286 transitions.
[2024-11-22 22:39:50,493 INFO  L78                 Accepts]: Start accepts. Automaton has 246 states and 286 transitions. Word has length 70
[2024-11-22 22:39:50,493 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2024-11-22 22:39:50,494 INFO  L471      AbstractCegarLoop]: Abstraction has 246 states and 286 transitions.
[2024-11-22 22:39:50,494 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 15 states, 14 states have (on average 9.857142857142858) internal successors, (138), 15 states have internal predecessors, (138), 7 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 7 states have call predecessors, (14), 7 states have call successors, (14)
[2024-11-22 22:39:50,494 INFO  L276                IsEmpty]: Start isEmpty. Operand 246 states and 286 transitions.
[2024-11-22 22:39:50,494 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2024-11-22 22:39:50,494 INFO  L207           NwaCegarLoop]: Found error trace
[2024-11-22 22:39:50,495 INFO  L215           NwaCegarLoop]: trace histogram [4, 4, 4, 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]
[2024-11-22 22:39:50,501 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-22 22:39:50,698 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:50,699 INFO  L396      AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] ===
[2024-11-22 22:39:50,699 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-22 22:39:50,699 INFO  L85        PathProgramCache]: Analyzing trace with hash -1920480391, now seen corresponding path program 1 times
[2024-11-22 22:39:50,699 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-22 22:39:50,699 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902784230]
[2024-11-22 22:39:50,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:50,699 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-22 22:39:50,706 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:50,753 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:39:50,753 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-22 22:39:50,753 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902784230]
[2024-11-22 22:39:50,753 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902784230] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-22 22:39:50,753 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1621027664]
[2024-11-22 22:39:50,753 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-22 22:39:50,754 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-22 22:39:50,754 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-22 22:39:50,756 INFO  L229       MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-22 22:39:50,757 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-22 22:39:50,784 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-22 22:39:50,785 INFO  L255         TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-22 22:39:50,785 INFO  L278         TraceCheckSpWp]: Computing forward predicates...
[2024-11-22 22:40:03,862 WARN  L873   $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_48| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_48| |v_ULTIMATE.start_main_~R~0#1_48|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true
[2024-11-22 22:40:03,878 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked.
[2024-11-22 22:40:03,878 INFO  L311         TraceCheckSpWp]: Computing backward predicates...
[2024-11-22 22:40:03,975 INFO  L134       CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.
[2024-11-22 22:40:03,975 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1621027664] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-22 22:40:03,975 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-22 22:40:03,976 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13
[2024-11-22 22:40:03,976 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336512332]
[2024-11-22 22:40:03,976 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-22 22:40:03,976 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-22 22:40:03,976 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-22 22:40:03,977 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-22 22:40:03,977 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=106, Unknown=4, NotChecked=22, Total=182
[2024-11-22 22:40:03,977 INFO  L87              Difference]: Start difference. First operand 246 states and 286 transitions. Second operand  has 14 states, 13 states have (on average 9.0) internal successors, (117), 14 states have internal predecessors, (117), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7)
[2024-11-22 22:40:05,176 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:10,110 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:26,797 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:39,928 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:43,935 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:47,945 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:40:53,861 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:00,532 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:06,504 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:10,514 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:11,551 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:15,557 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:24,584 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]
[2024-11-22 22:41:26,608 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]