./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version c7c6ca5d
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/sep05-1.i -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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3
--- Real Ultimate output ---
This is Ultimate 0.2.5-?-c7c6ca5-m
[2024-11-09 11:03:03,309 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-09 11:03:03,379 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-09 11:03:03,383 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-09 11:03:03,385 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-09 11:03:03,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-09 11:03:03,417 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-09 11:03:03,418 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-09 11:03:03,419 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-09 11:03:03,422 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-09 11:03:03,423 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-09 11:03:03,423 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-09 11:03:03,424 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-09 11:03:03,424 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-09 11:03:03,424 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-09 11:03:03,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-09 11:03:03,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-09 11:03:03,425 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-09 11:03:03,425 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-09 11:03:03,425 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-09 11:03:03,425 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-09 11:03:03,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-09 11:03:03,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-09 11:03:03,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-09 11:03:03,429 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-09 11:03:03,429 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-09 11:03:03,429 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-09 11:03:03,430 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-09 11:03:03,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-09 11:03:03,430 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-09 11:03:03,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-09 11:03:03,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-09 11:03:03,431 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-09 11:03:03,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-09 11:03:03,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 11:03:03,431 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-09 11:03:03,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-09 11:03:03,432 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-09 11:03:03,432 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-09 11:03:03,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-09 11:03:03,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-09 11:03:03,434 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-09 11:03:03,434 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-09 11:03:03,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-09 11:03:03,435 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3
[2024-11-09 11:03:03,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-09 11:03:03,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-09 11:03:03,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-09 11:03:03,781 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-09 11:03:03,781 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-09 11:03:03,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep05-1.i
[2024-11-09 11:03:05,253 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-09 11:03:05,466 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-09 11:03:05,467 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep05-1.i
[2024-11-09 11:03:05,479 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c4fe9ae/4ac4888ac948496c8b936243a8c24a06/FLAGb52f3d190
[2024-11-09 11:03:05,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c4fe9ae/4ac4888ac948496c8b936243a8c24a06
[2024-11-09 11:03:05,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-09 11:03:05,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-09 11:03:05,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-09 11:03:05,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-09 11:03:05,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-09 11:03:05,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78d706ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05, skipping insertion in model container
[2024-11-09 11:03:05,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,544 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-09 11:03:05,744 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 11:03:05,763 INFO L200 MainTranslator]: Completed pre-run
[2024-11-09 11:03:05,791 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-09 11:03:05,809 INFO L204 MainTranslator]: Completed translation
[2024-11-09 11:03:05,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05 WrapperNode
[2024-11-09 11:03:05,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-09 11:03:05,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-09 11:03:05,814 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-09 11:03:05,814 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-09 11:03:05,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,856 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77
[2024-11-09 11:03:05,856 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-09 11:03:05,857 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-09 11:03:05,857 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-09 11:03:05,857 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-09 11:03:05,866 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,869 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,883 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5].
[2024-11-09 11:03:05,883 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,884 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,889 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,892 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-09 11:03:05,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-09 11:03:05,898 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-09 11:03:05,898 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-09 11:03:05,898 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (1/1) ...
[2024-11-09 11:03:05,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-09 11:03:05,920 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:05,944 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)
[2024-11-09 11:03:05,950 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
[2024-11-09 11:03:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-09 11:03:05,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-09 11:03:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-09 11:03:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-09 11:03:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-09 11:03:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-09 11:03:05,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-09 11:03:05,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-09 11:03:05,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-09 11:03:05,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-09 11:03:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-09 11:03:05,999 INFO L130 BoogieDeclarations]: Found specification of procedure sep
[2024-11-09 11:03:05,999 INFO L138 BoogieDeclarations]: Found implementation of procedure sep
[2024-11-09 11:03:06,096 INFO L238 CfgBuilder]: Building ICFG
[2024-11-09 11:03:06,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-09 11:03:06,295 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live.
[2024-11-09 11:03:06,295 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-09 11:03:06,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-09 11:03:06,316 INFO L316 CfgBuilder]: Removed 3 assume(true) statements.
[2024-11-09 11:03:06,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:06 BoogieIcfgContainer
[2024-11-09 11:03:06,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-09 11:03:06,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-09 11:03:06,319 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-09 11:03:06,323 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-09 11:03:06,323 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:03:05" (1/3) ...
[2024-11-09 11:03:06,324 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a51854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:03:06, skipping insertion in model container
[2024-11-09 11:03:06,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:03:05" (2/3) ...
[2024-11-09 11:03:06,325 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54a51854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:03:06, skipping insertion in model container
[2024-11-09 11:03:06,325 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:06" (3/3) ...
[2024-11-09 11:03:06,327 INFO L112 eAbstractionObserver]: Analyzing ICFG sep05-1.i
[2024-11-09 11:03:06,345 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-09 11:03:06,345 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations.
[2024-11-09 11:03:06,409 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-09 11:03:06,415 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;@fa0ad06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-09 11:03:06,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-11-09 11:03:06,419 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 35 states have (on average 1.6) internal successors, (56), 47 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2024-11-09 11:03:06,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-09 11:03:06,424 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:06,424 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-09 11:03:06,425 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:06,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:06,434 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times
[2024-11-09 11:03:06,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:06,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375541939]
[2024-11-09 11:03:06,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:06,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:06,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:06,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375541939]
[2024-11-09 11:03:06,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375541939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:06,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:06,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:06,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232070370]
[2024-11-09 11:03:06,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:06,717 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:06,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:06,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:06,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:06,747 INFO L87 Difference]: Start difference. First operand has 52 states, 35 states have (on average 1.6) internal successors, (56), 47 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:06,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:06,803 INFO L93 Difference]: Finished difference Result 101 states and 124 transitions.
[2024-11-09 11:03:06,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:06,806 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-09 11:03:06,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:06,813 INFO L225 Difference]: With dead ends: 101
[2024-11-09 11:03:06,813 INFO L226 Difference]: Without dead ends: 48
[2024-11-09 11:03:06,816 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
[2024-11-09 11:03:06,819 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:06,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:06,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states.
[2024-11-09 11:03:06,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48.
[2024-11-09 11:03:06,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.5) internal successors, (48), 44 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:06,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions.
[2024-11-09 11:03:06,855 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 5
[2024-11-09 11:03:06,856 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:06,856 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions.
[2024-11-09 11:03:06,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:06,857 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions.
[2024-11-09 11:03:06,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-09 11:03:06,857 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:06,857 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-11-09 11:03:06,858 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-09 11:03:06,858 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:06,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:06,859 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times
[2024-11-09 11:03:06,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:06,859 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199260256]
[2024-11-09 11:03:06,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:06,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:07,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:07,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199260256]
[2024-11-09 11:03:07,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199260256] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:07,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731010861]
[2024-11-09 11:03:07,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:07,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:07,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:07,010 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)
[2024-11-09 11:03:07,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-09 11:03:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:07,065 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:07,069 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:07,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:07,149 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:07,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731010861] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:07,150 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:07,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-09 11:03:07,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129314606]
[2024-11-09 11:03:07,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:07,152 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:07,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:07,156 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:07,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:07,158 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:07,236 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions.
[2024-11-09 11:03:07,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:07,238 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2024-11-09 11:03:07,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:07,239 INFO L225 Difference]: With dead ends: 48
[2024-11-09 11:03:07,239 INFO L226 Difference]: Without dead ends: 47
[2024-11-09 11:03:07,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:07,241 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:07,241 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 164 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:07,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states.
[2024-11-09 11:03:07,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47.
[2024-11-09 11:03:07,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.46875) internal successors, (47), 43 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:07,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions.
[2024-11-09 11:03:07,252 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 9
[2024-11-09 11:03:07,252 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:07,253 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions.
[2024-11-09 11:03:07,253 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,253 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions.
[2024-11-09 11:03:07,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-09 11:03:07,255 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:07,255 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-11-09 11:03:07,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-09 11:03:07,455 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:07,456 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:07,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:07,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times
[2024-11-09 11:03:07,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:07,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002082718]
[2024-11-09 11:03:07,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:07,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:07,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-09 11:03:07,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:07,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002082718]
[2024-11-09 11:03:07,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002082718] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:07,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:07,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:07,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782397280]
[2024-11-09 11:03:07,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:07,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:07,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:07,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:07,512 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:07,539 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions.
[2024-11-09 11:03:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:07,539 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10
[2024-11-09 11:03:07,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:07,540 INFO L225 Difference]: With dead ends: 47
[2024-11-09 11:03:07,540 INFO L226 Difference]: Without dead ends: 46
[2024-11-09 11:03:07,542 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
[2024-11-09 11:03:07,543 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:07,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:07,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states.
[2024-11-09 11:03:07,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43.
[2024-11-09 11:03:07,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 39 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:07,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions.
[2024-11-09 11:03:07,557 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 10
[2024-11-09 11:03:07,557 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:07,557 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions.
[2024-11-09 11:03:07,557 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions.
[2024-11-09 11:03:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-09 11:03:07,558 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:07,558 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:07,558 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-09 11:03:07,559 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:07,560 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:07,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1638450343, now seen corresponding path program 1 times
[2024-11-09 11:03:07,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:07,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037578459]
[2024-11-09 11:03:07,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:07,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:07,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:07,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:07,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:07,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037578459]
[2024-11-09 11:03:07,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037578459] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:07,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666400964]
[2024-11-09 11:03:07,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:07,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:07,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:07,662 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)
[2024-11-09 11:03:07,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-09 11:03:07,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:07,734 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:07,735 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:07,770 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:07,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-09 11:03:07,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666400964] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:07,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:07,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2024-11-09 11:03:07,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285291819]
[2024-11-09 11:03:07,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:07,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2024-11-09 11:03:07,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:07,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2024-11-09 11:03:07,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-09 11:03:07,824 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:07,861 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions.
[2024-11-09 11:03:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-09 11:03:07,863 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-09 11:03:07,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:07,863 INFO L225 Difference]: With dead ends: 87
[2024-11-09 11:03:07,863 INFO L226 Difference]: Without dead ends: 51
[2024-11-09 11:03:07,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2024-11-09 11:03:07,865 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:07,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 165 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:07,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states.
[2024-11-09 11:03:07,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51.
[2024-11-09 11:03:07,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 47 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:07,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions.
[2024-11-09 11:03:07,871 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 13
[2024-11-09 11:03:07,871 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:07,872 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions.
[2024-11-09 11:03:07,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:07,872 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions.
[2024-11-09 11:03:07,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-09 11:03:07,873 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:07,873 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:07,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:08,077 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
[2024-11-09 11:03:08,078 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:08,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:08,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1677870673, now seen corresponding path program 2 times
[2024-11-09 11:03:08,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:08,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675444849]
[2024-11-09 11:03:08,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:08,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:08,191 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-09 11:03:08,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:08,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675444849]
[2024-11-09 11:03:08,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675444849] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:08,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:08,192 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:08,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27492485]
[2024-11-09 11:03:08,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:08,193 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:08,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:08,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:08,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:08,194 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:08,223 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions.
[2024-11-09 11:03:08,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:08,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2024-11-09 11:03:08,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:08,226 INFO L225 Difference]: With dead ends: 58
[2024-11-09 11:03:08,226 INFO L226 Difference]: Without dead ends: 56
[2024-11-09 11:03:08,226 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
[2024-11-09 11:03:08,227 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:08,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:08,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-09 11:03:08,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55.
[2024-11-09 11:03:08,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 51 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions.
[2024-11-09 11:03:08,237 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 21
[2024-11-09 11:03:08,237 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:08,239 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions.
[2024-11-09 11:03:08,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,239 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions.
[2024-11-09 11:03:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22
[2024-11-09 11:03:08,240 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:08,240 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:08,240 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-09 11:03:08,240 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:08,241 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:08,241 INFO L85 PathProgramCache]: Analyzing trace with hash 1677870481, now seen corresponding path program 1 times
[2024-11-09 11:03:08,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:08,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673991901]
[2024-11-09 11:03:08,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:08,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:08,336 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-09 11:03:08,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:08,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673991901]
[2024-11-09 11:03:08,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673991901] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:08,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:08,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:08,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131198073]
[2024-11-09 11:03:08,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:08,338 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:08,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:08,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:08,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:08,341 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:08,371 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions.
[2024-11-09 11:03:08,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:08,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21
[2024-11-09 11:03:08,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:08,376 INFO L225 Difference]: With dead ends: 60
[2024-11-09 11:03:08,377 INFO L226 Difference]: Without dead ends: 58
[2024-11-09 11:03:08,377 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
[2024-11-09 11:03:08,378 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:08,378 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:08,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states.
[2024-11-09 11:03:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57.
[2024-11-09 11:03:08,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.372093023255814) internal successors, (59), 53 states have internal predecessors, (59), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:08,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions.
[2024-11-09 11:03:08,390 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 21
[2024-11-09 11:03:08,390 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:08,390 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions.
[2024-11-09 11:03:08,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,390 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions.
[2024-11-09 11:03:08,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25
[2024-11-09 11:03:08,391 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:08,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:08,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-09 11:03:08,391 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:08,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:08,392 INFO L85 PathProgramCache]: Analyzing trace with hash 615944742, now seen corresponding path program 1 times
[2024-11-09 11:03:08,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:08,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597778351]
[2024-11-09 11:03:08,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:08,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:08,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:08,473 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-09 11:03:08,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:08,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597778351]
[2024-11-09 11:03:08,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597778351] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:08,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:08,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:08,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584835030]
[2024-11-09 11:03:08,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:08,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:08,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:08,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:08,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:08,476 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:08,501 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions.
[2024-11-09 11:03:08,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:08,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24
[2024-11-09 11:03:08,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:08,503 INFO L225 Difference]: With dead ends: 100
[2024-11-09 11:03:08,503 INFO L226 Difference]: Without dead ends: 60
[2024-11-09 11:03:08,504 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
[2024-11-09 11:03:08,505 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:08,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:08,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states.
[2024-11-09 11:03:08,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60.
[2024-11-09 11:03:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 46 states have (on average 1.326086956521739) internal successors, (61), 56 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions.
[2024-11-09 11:03:08,515 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 24
[2024-11-09 11:03:08,515 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:08,515 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions.
[2024-11-09 11:03:08,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,518 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions.
[2024-11-09 11:03:08,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2024-11-09 11:03:08,518 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:08,518 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:08,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-09 11:03:08,519 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:08,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:08,519 INFO L85 PathProgramCache]: Analyzing trace with hash -445739691, now seen corresponding path program 1 times
[2024-11-09 11:03:08,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:08,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116970264]
[2024-11-09 11:03:08,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:08,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked.
[2024-11-09 11:03:08,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:08,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116970264]
[2024-11-09 11:03:08,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116970264] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:08,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [501879557]
[2024-11-09 11:03:08,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:08,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:08,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:08,630 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)
[2024-11-09 11:03:08,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-09 11:03:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:08,697 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:08,698 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:08,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-09 11:03:08,793 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:08,898 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2024-11-09 11:03:08,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [501879557] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:08,900 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:08,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 15
[2024-11-09 11:03:08,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603394255]
[2024-11-09 11:03:08,901 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:08,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states
[2024-11-09 11:03:08,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:08,902 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants.
[2024-11-09 11:03:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2024-11-09 11:03:08,905 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:08,982 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions.
[2024-11-09 11:03:08,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-09 11:03:08,983 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28
[2024-11-09 11:03:08,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:08,985 INFO L225 Difference]: With dead ends: 121
[2024-11-09 11:03:08,985 INFO L226 Difference]: Without dead ends: 76
[2024-11-09 11:03:08,986 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210
[2024-11-09 11:03:08,987 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:08,987 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 213 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:08,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2024-11-09 11:03:08,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74.
[2024-11-09 11:03:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 70 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions.
[2024-11-09 11:03:08,996 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 28
[2024-11-09 11:03:08,996 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:08,996 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions.
[2024-11-09 11:03:08,996 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions.
[2024-11-09 11:03:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-09 11:03:08,997 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:08,997 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:09,014 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-09 11:03:09,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:09,198 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:09,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:09,199 INFO L85 PathProgramCache]: Analyzing trace with hash -329436515, now seen corresponding path program 1 times
[2024-11-09 11:03:09,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:09,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454054665]
[2024-11-09 11:03:09,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:09,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:09,292 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:09,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:09,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454054665]
[2024-11-09 11:03:09,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454054665] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:09,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361875053]
[2024-11-09 11:03:09,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:09,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:09,293 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:09,295 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)
[2024-11-09 11:03:09,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-09 11:03:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:09,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:09,364 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:09,405 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:09,405 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:09,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361875053] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:09,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:09,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-11-09 11:03:09,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343562341]
[2024-11-09 11:03:09,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:09,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-09 11:03:09,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:09,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-09 11:03:09,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-09 11:03:09,408 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:09,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:09,433 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions.
[2024-11-09 11:03:09,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-09 11:03:09,434 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36
[2024-11-09 11:03:09,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:09,435 INFO L225 Difference]: With dead ends: 74
[2024-11-09 11:03:09,435 INFO L226 Difference]: Without dead ends: 73
[2024-11-09 11:03:09,435 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72
[2024-11-09 11:03:09,436 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:09,436 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 142 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:09,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2024-11-09 11:03:09,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2024-11-09 11:03:09,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 69 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:09,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions.
[2024-11-09 11:03:09,443 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 36
[2024-11-09 11:03:09,443 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:09,443 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions.
[2024-11-09 11:03:09,443 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:09,444 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions.
[2024-11-09 11:03:09,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37
[2024-11-09 11:03:09,444 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:09,444 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:09,461 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-09 11:03:09,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:09,645 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:09,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:09,646 INFO L85 PathProgramCache]: Analyzing trace with hash -971626345, now seen corresponding path program 1 times
[2024-11-09 11:03:09,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:09,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614383820]
[2024-11-09 11:03:09,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:09,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:09,753 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:09,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:09,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614383820]
[2024-11-09 11:03:09,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614383820] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:09,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024993858]
[2024-11-09 11:03:09,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:09,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:09,755 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:09,757 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)
[2024-11-09 11:03:09,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-09 11:03:09,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:09,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:09,832 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:09,871 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:09,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:09,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024993858] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:09,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:09,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-09 11:03:09,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228222834]
[2024-11-09 11:03:09,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:09,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:09,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:09,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:09,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:09,876 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:09,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:09,927 INFO L93 Difference]: Finished difference Result 94 states and 108 transitions.
[2024-11-09 11:03:09,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:09,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36
[2024-11-09 11:03:09,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:09,929 INFO L225 Difference]: With dead ends: 94
[2024-11-09 11:03:09,929 INFO L226 Difference]: Without dead ends: 93
[2024-11-09 11:03:09,929 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:09,930 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 11 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:09,931 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 194 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:09,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-11-09 11:03:09,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87.
[2024-11-09 11:03:09,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 83 states have internal predecessors, (100), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:09,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions.
[2024-11-09 11:03:09,944 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 36
[2024-11-09 11:03:09,946 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:09,946 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions.
[2024-11-09 11:03:09,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:09,947 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions.
[2024-11-09 11:03:09,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-09 11:03:09,948 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:09,948 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:09,965 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-09 11:03:10,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-09 11:03:10,149 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sepErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:10,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:10,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1622591304, now seen corresponding path program 1 times
[2024-11-09 11:03:10,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:10,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730194569]
[2024-11-09 11:03:10,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:10,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:10,259 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:10,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:10,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730194569]
[2024-11-09 11:03:10,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730194569] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:10,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1630457590]
[2024-11-09 11:03:10,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:10,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:10,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:10,262 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)
[2024-11-09 11:03:10,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-09 11:03:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:10,333 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:10,335 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:10,364 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:10,365 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:10,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1630457590] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:10,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:10,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7
[2024-11-09 11:03:10,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296417657]
[2024-11-09 11:03:10,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:10,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:10,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:10,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:10,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:10,369 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:10,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:10,386 INFO L93 Difference]: Finished difference Result 87 states and 105 transitions.
[2024-11-09 11:03:10,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:10,386 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37
[2024-11-09 11:03:10,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:10,387 INFO L225 Difference]: With dead ends: 87
[2024-11-09 11:03:10,389 INFO L226 Difference]: Without dead ends: 86
[2024-11-09 11:03:10,389 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:10,390 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:10,390 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 108 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:10,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2024-11-09 11:03:10,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2024-11-09 11:03:10,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 82 states have internal predecessors, (98), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:10,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions.
[2024-11-09 11:03:10,403 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 37
[2024-11-09 11:03:10,404 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:10,404 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions.
[2024-11-09 11:03:10,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:10,404 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions.
[2024-11-09 11:03:10,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-09 11:03:10,405 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:10,405 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:10,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:10,605 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:10,606 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:10,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:10,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1622597262, now seen corresponding path program 1 times
[2024-11-09 11:03:10,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:10,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63202052]
[2024-11-09 11:03:10,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:10,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:10,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63202052]
[2024-11-09 11:03:10,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63202052] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1151639483]
[2024-11-09 11:03:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:10,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:10,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:10,717 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)
[2024-11-09 11:03:10,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-09 11:03:10,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:10,787 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:10,789 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:10,847 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:10,849 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:10,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1151639483] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:10,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:10,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-09 11:03:10,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939647469]
[2024-11-09 11:03:10,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:10,850 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:10,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:10,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:10,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:10,851 INFO L87 Difference]: Start difference. First operand 86 states and 103 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:10,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:10,887 INFO L93 Difference]: Finished difference Result 107 states and 129 transitions.
[2024-11-09 11:03:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:10,888 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37
[2024-11-09 11:03:10,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:10,889 INFO L225 Difference]: With dead ends: 107
[2024-11-09 11:03:10,889 INFO L226 Difference]: Without dead ends: 106
[2024-11-09 11:03:10,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:10,890 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 12 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:10,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 161 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:10,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states.
[2024-11-09 11:03:10,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 100.
[2024-11-09 11:03:10,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 88 states have (on average 1.375) internal successors, (121), 96 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:10,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions.
[2024-11-09 11:03:10,902 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 37
[2024-11-09 11:03:10,902 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:10,903 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions.
[2024-11-09 11:03:10,903 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:10,903 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions.
[2024-11-09 11:03:10,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2024-11-09 11:03:10,904 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:10,904 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:10,924 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:11,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:11,112 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:11,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:11,113 INFO L85 PathProgramCache]: Analyzing trace with hash -55651464, now seen corresponding path program 1 times
[2024-11-09 11:03:11,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:11,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701588978]
[2024-11-09 11:03:11,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:11,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:11,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:11,191 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:11,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:11,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701588978]
[2024-11-09 11:03:11,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701588978] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:11,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [146513391]
[2024-11-09 11:03:11,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:11,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:11,192 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:11,194 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)
[2024-11-09 11:03:11,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-09 11:03:11,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:11,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:11,267 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:11,297 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:11,298 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:11,351 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:11,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [146513391] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:11,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:11,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-09 11:03:11,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1424262490]
[2024-11-09 11:03:11,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:11,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-09 11:03:11,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:11,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-09 11:03:11,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-09 11:03:11,353 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:11,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:11,398 INFO L93 Difference]: Finished difference Result 126 states and 160 transitions.
[2024-11-09 11:03:11,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-09 11:03:11,399 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 37
[2024-11-09 11:03:11,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:11,400 INFO L225 Difference]: With dead ends: 126
[2024-11-09 11:03:11,400 INFO L226 Difference]: Without dead ends: 125
[2024-11-09 11:03:11,400 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-09 11:03:11,401 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:11,401 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 241 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:11,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states.
[2024-11-09 11:03:11,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118.
[2024-11-09 11:03:11,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 114 states have internal predecessors, (149), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:11,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions.
[2024-11-09 11:03:11,408 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 154 transitions. Word has length 37
[2024-11-09 11:03:11,408 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:11,408 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 154 transitions.
[2024-11-09 11:03:11,409 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:11,409 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions.
[2024-11-09 11:03:11,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2024-11-09 11:03:11,410 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:11,410 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:11,428 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-09 11:03:11,610 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,SelfDestructingSolverStorable12
[2024-11-09 11:03:11,611 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:11,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:11,611 INFO L85 PathProgramCache]: Analyzing trace with hash -237110886, now seen corresponding path program 1 times
[2024-11-09 11:03:11,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:11,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949658026]
[2024-11-09 11:03:11,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:11,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:11,690 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:11,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:11,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949658026]
[2024-11-09 11:03:11,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949658026] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:11,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705133063]
[2024-11-09 11:03:11,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:11,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:11,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:11,693 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)
[2024-11-09 11:03:11,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-09 11:03:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:11,774 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:11,775 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:11,823 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:11,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1705133063] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:11,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:11,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-09 11:03:11,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247823261]
[2024-11-09 11:03:11,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:11,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:11,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:11,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:11,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:11,825 INFO L87 Difference]: Start difference. First operand 118 states and 154 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:11,853 INFO L93 Difference]: Finished difference Result 118 states and 154 transitions.
[2024-11-09 11:03:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:11,853 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39
[2024-11-09 11:03:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:11,854 INFO L225 Difference]: With dead ends: 118
[2024-11-09 11:03:11,854 INFO L226 Difference]: Without dead ends: 117
[2024-11-09 11:03:11,855 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:11,855 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:11,856 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 122 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:11,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states.
[2024-11-09 11:03:11,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117.
[2024-11-09 11:03:11,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 113 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:11,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions.
[2024-11-09 11:03:11,865 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 39
[2024-11-09 11:03:11,866 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:11,866 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions.
[2024-11-09 11:03:11,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:11,866 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions.
[2024-11-09 11:03:11,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41
[2024-11-09 11:03:11,868 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:11,868 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:11,886 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-09 11:03:12,072 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,SelfDestructingSolverStorable13
[2024-11-09 11:03:12,073 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting sepErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:12,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:12,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1239497249, now seen corresponding path program 1 times
[2024-11-09 11:03:12,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:12,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1819361894]
[2024-11-09 11:03:12,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:12,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:12,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked.
[2024-11-09 11:03:12,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:12,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1819361894]
[2024-11-09 11:03:12,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1819361894] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:12,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:12,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:12,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899163685]
[2024-11-09 11:03:12,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:12,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:12,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:12,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:12,122 INFO L87 Difference]: Start difference. First operand 117 states and 147 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:12,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:12,135 INFO L93 Difference]: Finished difference Result 117 states and 147 transitions.
[2024-11-09 11:03:12,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:12,136 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40
[2024-11-09 11:03:12,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:12,136 INFO L225 Difference]: With dead ends: 117
[2024-11-09 11:03:12,137 INFO L226 Difference]: Without dead ends: 116
[2024-11-09 11:03:12,137 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
[2024-11-09 11:03:12,137 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:12,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 106 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states.
[2024-11-09 11:03:12,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116.
[2024-11-09 11:03:12,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 112 states have internal predecessors, (135), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:12,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions.
[2024-11-09 11:03:12,162 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 40
[2024-11-09 11:03:12,163 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:12,163 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions.
[2024-11-09 11:03:12,163 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions.
[2024-11-09 11:03:12,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-09 11:03:12,164 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:12,164 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:12,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14
[2024-11-09 11:03:12,165 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:12,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:12,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2028804809, now seen corresponding path program 2 times
[2024-11-09 11:03:12,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:12,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370928275]
[2024-11-09 11:03:12,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:12,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:12,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:12,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370928275]
[2024-11-09 11:03:12,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370928275] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:12,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200109283]
[2024-11-09 11:03:12,269 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-09 11:03:12,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:12,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:12,271 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)
[2024-11-09 11:03:12,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-09 11:03:12,348 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-09 11:03:12,348 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:12,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:12,351 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:12,397 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:12,397 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:12,481 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:12,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200109283] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:12,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:12,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15
[2024-11-09 11:03:12,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020936237]
[2024-11-09 11:03:12,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:12,486 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2024-11-09 11:03:12,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:12,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2024-11-09 11:03:12,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-09 11:03:12,487 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:12,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:12,535 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions.
[2024-11-09 11:03:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-09 11:03:12,535 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2024-11-09 11:03:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:12,536 INFO L225 Difference]: With dead ends: 150
[2024-11-09 11:03:12,536 INFO L226 Difference]: Without dead ends: 149
[2024-11-09 11:03:12,537 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240
[2024-11-09 11:03:12,539 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:12,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 178 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:12,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states.
[2024-11-09 11:03:12,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 144.
[2024-11-09 11:03:12,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 140 states have internal predecessors, (171), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:12,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 176 transitions.
[2024-11-09 11:03:12,547 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 176 transitions. Word has length 43
[2024-11-09 11:03:12,547 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:12,547 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 176 transitions.
[2024-11-09 11:03:12,547 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:12,548 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions.
[2024-11-09 11:03:12,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-09 11:03:12,549 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:12,549 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:12,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:12,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15
[2024-11-09 11:03:12,750 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:12,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:12,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1386614787, now seen corresponding path program 1 times
[2024-11-09 11:03:12,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:12,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726027531]
[2024-11-09 11:03:12,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:12,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:12,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:12,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:12,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726027531]
[2024-11-09 11:03:12,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726027531] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:12,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8779167]
[2024-11-09 11:03:12,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:12,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:12,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:12,854 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)
[2024-11-09 11:03:12,855 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-09 11:03:12,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:12,926 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:12,928 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:12,979 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:12,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [8779167] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:12,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:12,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11
[2024-11-09 11:03:12,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222362716]
[2024-11-09 11:03:12,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:12,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:12,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:12,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:12,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-09 11:03:12,981 INFO L87 Difference]: Start difference. First operand 144 states and 176 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:13,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:13,008 INFO L93 Difference]: Finished difference Result 153 states and 188 transitions.
[2024-11-09 11:03:13,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:13,008 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2024-11-09 11:03:13,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:13,009 INFO L225 Difference]: With dead ends: 153
[2024-11-09 11:03:13,009 INFO L226 Difference]: Without dead ends: 152
[2024-11-09 11:03:13,010 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132
[2024-11-09 11:03:13,010 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:13,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 150 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:13,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states.
[2024-11-09 11:03:13,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 136.
[2024-11-09 11:03:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 132 states have internal predecessors, (160), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:13,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions.
[2024-11-09 11:03:13,017 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 43
[2024-11-09 11:03:13,017 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:13,017 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions.
[2024-11-09 11:03:13,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions.
[2024-11-09 11:03:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-09 11:03:13,018 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:13,018 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:13,035 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-09 11:03:13,218 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16
[2024-11-09 11:03:13,219 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:13,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:13,219 INFO L85 PathProgramCache]: Analyzing trace with hash -919949233, now seen corresponding path program 2 times
[2024-11-09 11:03:13,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:13,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767138810]
[2024-11-09 11:03:13,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:13,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:13,332 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:13,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:13,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767138810]
[2024-11-09 11:03:13,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767138810] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:13,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [224597533]
[2024-11-09 11:03:13,333 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-09 11:03:13,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:13,333 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:13,335 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:13,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process
[2024-11-09 11:03:13,411 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-09 11:03:13,411 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:13,413 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:13,414 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:13,446 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:13,446 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:13,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [224597533] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:13,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:13,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13
[2024-11-09 11:03:13,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659497394]
[2024-11-09 11:03:13,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:13,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-09 11:03:13,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:13,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-09 11:03:13,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:13,523 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:13,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:13,586 INFO L93 Difference]: Finished difference Result 193 states and 241 transitions.
[2024-11-09 11:03:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-09 11:03:13,587 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2024-11-09 11:03:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:13,588 INFO L225 Difference]: With dead ends: 193
[2024-11-09 11:03:13,588 INFO L226 Difference]: Without dead ends: 192
[2024-11-09 11:03:13,588 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:13,589 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 202 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
[2024-11-09 11:03:13,589 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 202 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:13,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states.
[2024-11-09 11:03:13,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 180.
[2024-11-09 11:03:13,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 176 states have internal predecessors, (218), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:13,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions.
[2024-11-09 11:03:13,598 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 43
[2024-11-09 11:03:13,598 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:13,598 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions.
[2024-11-09 11:03:13,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:13,599 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions.
[2024-11-09 11:03:13,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-09 11:03:13,599 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:13,599 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:13,616 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0
[2024-11-09 11:03:13,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17
[2024-11-09 11:03:13,802 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:13,803 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:13,803 INFO L85 PathProgramCache]: Analyzing trace with hash 35379596, now seen corresponding path program 1 times
[2024-11-09 11:03:13,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:13,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303787360]
[2024-11-09 11:03:13,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:13,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:13,937 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:13,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:13,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1303787360]
[2024-11-09 11:03:13,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1303787360] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:13,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823047513]
[2024-11-09 11:03:13,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:13,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:13,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:13,940 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:13,941 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process
[2024-11-09 11:03:14,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,020 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:14,022 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:14,059 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:14,130 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:14,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823047513] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:14,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:14,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13
[2024-11-09 11:03:14,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693654262]
[2024-11-09 11:03:14,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:14,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-09 11:03:14,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:14,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-09 11:03:14,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:14,132 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:14,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:14,217 INFO L93 Difference]: Finished difference Result 250 states and 317 transitions.
[2024-11-09 11:03:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-09 11:03:14,217 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44
[2024-11-09 11:03:14,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:14,219 INFO L225 Difference]: With dead ends: 250
[2024-11-09 11:03:14,219 INFO L226 Difference]: Without dead ends: 249
[2024-11-09 11:03:14,219 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:14,219 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:14,220 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 225 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:14,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states.
[2024-11-09 11:03:14,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 243.
[2024-11-09 11:03:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 233 states have (on average 1.2789699570815452) internal successors, (298), 239 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 303 transitions.
[2024-11-09 11:03:14,231 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 303 transitions. Word has length 44
[2024-11-09 11:03:14,231 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:14,231 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 303 transitions.
[2024-11-09 11:03:14,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 303 transitions.
[2024-11-09 11:03:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55
[2024-11-09 11:03:14,232 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:14,232 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:14,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:14,432 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:14,433 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:14,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:14,433 INFO L85 PathProgramCache]: Analyzing trace with hash 2046299830, now seen corresponding path program 1 times
[2024-11-09 11:03:14,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:14,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875791314]
[2024-11-09 11:03:14,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:14,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-09 11:03:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,572 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:14,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:14,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875791314]
[2024-11-09 11:03:14,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875791314] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:14,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [559600688]
[2024-11-09 11:03:14,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:14,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:14,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:14,576 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:14,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process
[2024-11-09 11:03:14,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,670 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:14,671 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:14,680 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-11-09 11:03:14,681 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:14,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [559600688] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:14,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:14,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-09 11:03:14,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373498360]
[2024-11-09 11:03:14,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:14,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 11:03:14,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:14,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 11:03:14,684 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-09 11:03:14,684 INFO L87 Difference]: Start difference. First operand 243 states and 303 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:14,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:14,708 INFO L93 Difference]: Finished difference Result 248 states and 310 transitions.
[2024-11-09 11:03:14,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-09 11:03:14,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54
[2024-11-09 11:03:14,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:14,709 INFO L225 Difference]: With dead ends: 248
[2024-11-09 11:03:14,710 INFO L226 Difference]: Without dead ends: 247
[2024-11-09 11:03:14,710 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-09 11:03:14,710 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:14,711 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 69 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:14,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states.
[2024-11-09 11:03:14,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245.
[2024-11-09 11:03:14,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 235 states have (on average 1.2808510638297872) internal successors, (301), 241 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:14,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 306 transitions.
[2024-11-09 11:03:14,721 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 306 transitions. Word has length 54
[2024-11-09 11:03:14,722 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:14,722 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 306 transitions.
[2024-11-09 11:03:14,722 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:14,722 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 306 transitions.
[2024-11-09 11:03:14,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56
[2024-11-09 11:03:14,723 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:14,723 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:14,741 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:14,924 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:14,924 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:14,925 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:14,925 INFO L85 PathProgramCache]: Analyzing trace with hash -989214644, now seen corresponding path program 1 times
[2024-11-09 11:03:14,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:14,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091929617]
[2024-11-09 11:03:14,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:14,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:14,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:14,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-09 11:03:15,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:15,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:15,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091929617]
[2024-11-09 11:03:15,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091929617] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:15,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [731995411]
[2024-11-09 11:03:15,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:15,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:15,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:15,009 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:15,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process
[2024-11-09 11:03:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,099 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:15,100 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:15,109 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked.
[2024-11-09 11:03:15,110 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:15,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [731995411] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:15,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:15,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6
[2024-11-09 11:03:15,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543479590]
[2024-11-09 11:03:15,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:15,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 11:03:15,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:15,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 11:03:15,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-09 11:03:15,112 INFO L87 Difference]: Start difference. First operand 245 states and 306 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:15,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:15,135 INFO L93 Difference]: Finished difference Result 453 states and 570 transitions.
[2024-11-09 11:03:15,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-09 11:03:15,135 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55
[2024-11-09 11:03:15,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:15,136 INFO L225 Difference]: With dead ends: 453
[2024-11-09 11:03:15,136 INFO L226 Difference]: Without dead ends: 247
[2024-11-09 11:03:15,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-09 11:03:15,138 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:15,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:15,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states.
[2024-11-09 11:03:15,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 246.
[2024-11-09 11:03:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 236 states have (on average 1.2754237288135593) internal successors, (301), 242 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 306 transitions.
[2024-11-09 11:03:15,161 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 306 transitions. Word has length 55
[2024-11-09 11:03:15,161 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:15,161 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 306 transitions.
[2024-11-09 11:03:15,161 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, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:15,161 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 306 transitions.
[2024-11-09 11:03:15,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-11-09 11:03:15,162 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:15,162 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:15,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0
[2024-11-09 11:03:15,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:15,364 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:15,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:15,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1447498290, now seen corresponding path program 1 times
[2024-11-09 11:03:15,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:15,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561670337]
[2024-11-09 11:03:15,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:15,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2024-11-09 11:03:15,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,461 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:15,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:15,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561670337]
[2024-11-09 11:03:15,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561670337] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:15,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842783726]
[2024-11-09 11:03:15,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:15,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:15,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:15,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:15,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process
[2024-11-09 11:03:15,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:15,562 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:15,565 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:15,583 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked.
[2024-11-09 11:03:15,584 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:15,633 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:15,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842783726] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:15,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:15,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8
[2024-11-09 11:03:15,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733608151]
[2024-11-09 11:03:15,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:15,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2024-11-09 11:03:15,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:15,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-11-09 11:03:15,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:15,639 INFO L87 Difference]: Start difference. First operand 246 states and 306 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-09 11:03:15,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:15,673 INFO L93 Difference]: Finished difference Result 479 states and 601 transitions.
[2024-11-09 11:03:15,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-09 11:03:15,674 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57
[2024-11-09 11:03:15,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:15,675 INFO L225 Difference]: With dead ends: 479
[2024-11-09 11:03:15,675 INFO L226 Difference]: Without dead ends: 258
[2024-11-09 11:03:15,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2024-11-09 11:03:15,677 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 22 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:15,678 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 178 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:15,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states.
[2024-11-09 11:03:15,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258.
[2024-11-09 11:03:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 248 states have (on average 1.2459677419354838) internal successors, (309), 254 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:15,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 314 transitions.
[2024-11-09 11:03:15,693 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 314 transitions. Word has length 57
[2024-11-09 11:03:15,693 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:15,693 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 314 transitions.
[2024-11-09 11:03:15,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2024-11-09 11:03:15,694 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions.
[2024-11-09 11:03:15,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58
[2024-11-09 11:03:15,694 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:15,694 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:15,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0
[2024-11-09 11:03:15,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21
[2024-11-09 11:03:15,899 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:15,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:15,899 INFO L85 PathProgramCache]: Analyzing trace with hash 467207171, now seen corresponding path program 3 times
[2024-11-09 11:03:15,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:15,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775081390]
[2024-11-09 11:03:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:15,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:16,053 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-09 11:03:16,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:16,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775081390]
[2024-11-09 11:03:16,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775081390] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:16,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949092864]
[2024-11-09 11:03:16,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-09 11:03:16,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:16,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:16,056 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:16,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process
[2024-11-09 11:03:16,146 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s)
[2024-11-09 11:03:16,146 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:16,147 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:16,149 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:16,196 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-09 11:03:16,196 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:16,335 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-09 11:03:16,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949092864] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:16,336 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:16,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17
[2024-11-09 11:03:16,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798458871]
[2024-11-09 11:03:16,336 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:16,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-09 11:03:16,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:16,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-09 11:03:16,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2024-11-09 11:03:16,337 INFO L87 Difference]: Start difference. First operand 258 states and 314 transitions. Second operand has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:16,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:16,429 INFO L93 Difference]: Finished difference Result 464 states and 587 transitions.
[2024-11-09 11:03:16,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-09 11:03:16,430 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 57
[2024-11-09 11:03:16,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:16,432 INFO L225 Difference]: With dead ends: 464
[2024-11-09 11:03:16,432 INFO L226 Difference]: Without dead ends: 463
[2024-11-09 11:03:16,433 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2024-11-09 11:03:16,433 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 10 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 374 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:16,433 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 374 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states.
[2024-11-09 11:03:16,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 296.
[2024-11-09 11:03:16,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 286 states have (on average 1.2447552447552448) internal successors, (356), 292 states have internal predecessors, (356), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:16,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 361 transitions.
[2024-11-09 11:03:16,447 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 361 transitions. Word has length 57
[2024-11-09 11:03:16,447 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:16,447 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 361 transitions.
[2024-11-09 11:03:16,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:16,448 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 361 transitions.
[2024-11-09 11:03:16,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59
[2024-11-09 11:03:16,449 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:16,449 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:16,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:16,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:16,650 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:16,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:16,650 INFO L85 PathProgramCache]: Analyzing trace with hash -954765056, now seen corresponding path program 2 times
[2024-11-09 11:03:16,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:16,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111315201]
[2024-11-09 11:03:16,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:16,804 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked.
[2024-11-09 11:03:16,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111315201]
[2024-11-09 11:03:16,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111315201] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:16,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1176139870]
[2024-11-09 11:03:16,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-09 11:03:16,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:16,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:16,807 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:16,810 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process
[2024-11-09 11:03:16,904 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-09 11:03:16,905 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:16,906 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:16,907 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:16,955 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-09 11:03:16,955 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked.
[2024-11-09 11:03:17,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1176139870] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:17,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:17,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17
[2024-11-09 11:03:17,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543967652]
[2024-11-09 11:03:17,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:17,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-09 11:03:17,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:17,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-09 11:03:17,066 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2024-11-09 11:03:17,067 INFO L87 Difference]: Start difference. First operand 296 states and 361 transitions. Second operand has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:17,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:17,145 INFO L93 Difference]: Finished difference Result 527 states and 665 transitions.
[2024-11-09 11:03:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states.
[2024-11-09 11:03:17,145 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 58
[2024-11-09 11:03:17,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:17,147 INFO L225 Difference]: With dead ends: 527
[2024-11-09 11:03:17,147 INFO L226 Difference]: Without dead ends: 526
[2024-11-09 11:03:17,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2024-11-09 11:03:17,148 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 10 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 295 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:17,149 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 295 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:17,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states.
[2024-11-09 11:03:17,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 330.
[2024-11-09 11:03:17,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 320 states have (on average 1.246875) internal successors, (399), 326 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 404 transitions.
[2024-11-09 11:03:17,164 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 404 transitions. Word has length 58
[2024-11-09 11:03:17,164 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:17,164 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 404 transitions.
[2024-11-09 11:03:17,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:17,165 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions.
[2024-11-09 11:03:17,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-11-09 11:03:17,166 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:17,166 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:17,183 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0
[2024-11-09 11:03:17,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:17,370 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:17,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:17,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1622164023, now seen corresponding path program 3 times
[2024-11-09 11:03:17,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:17,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603016334]
[2024-11-09 11:03:17,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:17,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:17,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:17,617 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:17,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:17,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603016334]
[2024-11-09 11:03:17,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603016334] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:17,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80063932]
[2024-11-09 11:03:17,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-09 11:03:17,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:17,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:17,620 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:17,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process
[2024-11-09 11:03:17,729 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s)
[2024-11-09 11:03:17,729 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:17,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:17,733 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:17,809 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:17,809 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:18,097 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked.
[2024-11-09 11:03:18,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [80063932] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:18,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:18,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31
[2024-11-09 11:03:18,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726331139]
[2024-11-09 11:03:18,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:18,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2024-11-09 11:03:18,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:18,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2024-11-09 11:03:18,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-09 11:03:18,102 INFO L87 Difference]: Start difference. First operand 330 states and 404 transitions. Second operand has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:18,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:18,221 INFO L93 Difference]: Finished difference Result 421 states and 525 transitions.
[2024-11-09 11:03:18,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states.
[2024-11-09 11:03:18,222 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2024-11-09 11:03:18,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:18,223 INFO L225 Difference]: With dead ends: 421
[2024-11-09 11:03:18,224 INFO L226 Difference]: Without dead ends: 420
[2024-11-09 11:03:18,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992
[2024-11-09 11:03:18,225 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 29 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:18,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 288 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:18,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states.
[2024-11-09 11:03:18,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 401.
[2024-11-09 11:03:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.2557544757033248) internal successors, (491), 397 states have internal predecessors, (491), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:18,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 496 transitions.
[2024-11-09 11:03:18,246 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 496 transitions. Word has length 71
[2024-11-09 11:03:18,246 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:18,246 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 496 transitions.
[2024-11-09 11:03:18,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:18,248 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 496 transitions.
[2024-11-09 11:03:18,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72
[2024-11-09 11:03:18,249 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:18,249 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:18,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0
[2024-11-09 11:03:18,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:18,450 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:18,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:18,450 INFO L85 PathProgramCache]: Analyzing trace with hash -25284401, now seen corresponding path program 4 times
[2024-11-09 11:03:18,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:18,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653102298]
[2024-11-09 11:03:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:18,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:18,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:18,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:18,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653102298]
[2024-11-09 11:03:18,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653102298] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:18,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [113178890]
[2024-11-09 11:03:18,679 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-09 11:03:18,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:18,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:18,681 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:18,682 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process
[2024-11-09 11:03:18,773 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-09 11:03:18,774 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:18,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:18,777 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:18,856 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:18,856 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:19,069 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:19,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [113178890] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:19,069 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:19,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25
[2024-11-09 11:03:19,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784671649]
[2024-11-09 11:03:19,070 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:19,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-09 11:03:19,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:19,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-09 11:03:19,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650
[2024-11-09 11:03:19,071 INFO L87 Difference]: Start difference. First operand 401 states and 496 transitions. Second operand has 26 states, 25 states have (on average 3.32) internal successors, (83), 26 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:19,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:19,202 INFO L93 Difference]: Finished difference Result 735 states and 939 transitions.
[2024-11-09 11:03:19,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-11-09 11:03:19,203 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.32) internal successors, (83), 26 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 71
[2024-11-09 11:03:19,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:19,205 INFO L225 Difference]: With dead ends: 735
[2024-11-09 11:03:19,206 INFO L226 Difference]: Without dead ends: 734
[2024-11-09 11:03:19,206 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650
[2024-11-09 11:03:19,207 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 16 mSDsluCounter, 303 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:19,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 339 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:19,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states.
[2024-11-09 11:03:19,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 457.
[2024-11-09 11:03:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 447 states have (on average 1.2595078299776286) internal successors, (563), 453 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:19,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 568 transitions.
[2024-11-09 11:03:19,231 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 568 transitions. Word has length 71
[2024-11-09 11:03:19,232 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:19,232 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 568 transitions.
[2024-11-09 11:03:19,232 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.32) internal successors, (83), 26 states have internal predecessors, (83), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:19,232 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 568 transitions.
[2024-11-09 11:03:19,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-11-09 11:03:19,233 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:19,233 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:19,250 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:19,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25
[2024-11-09 11:03:19,434 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:19,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash 764812422, now seen corresponding path program 3 times
[2024-11-09 11:03:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:19,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519282541]
[2024-11-09 11:03:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 10 proven. 75 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked.
[2024-11-09 11:03:19,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519282541]
[2024-11-09 11:03:19,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519282541] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216471085]
[2024-11-09 11:03:19,617 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-09 11:03:19,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:19,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:19,619 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:19,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process
[2024-11-09 11:03:19,705 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s)
[2024-11-09 11:03:19,706 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:19,707 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:19,708 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:19,764 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked.
[2024-11-09 11:03:19,764 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:19,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216471085] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:19,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:19,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 14
[2024-11-09 11:03:19,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524395760]
[2024-11-09 11:03:19,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:19,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-09 11:03:19,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:19,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-09 11:03:19,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2024-11-09 11:03:19,766 INFO L87 Difference]: Start difference. First operand 457 states and 568 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:19,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:19,825 INFO L93 Difference]: Finished difference Result 491 states and 612 transitions.
[2024-11-09 11:03:19,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-09 11:03:19,825 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72
[2024-11-09 11:03:19,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:19,827 INFO L225 Difference]: With dead ends: 491
[2024-11-09 11:03:19,827 INFO L226 Difference]: Without dead ends: 490
[2024-11-09 11:03:19,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210
[2024-11-09 11:03:19,828 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:19,828 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:19,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states.
[2024-11-09 11:03:19,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 457.
[2024-11-09 11:03:19,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 447 states have (on average 1.2595078299776286) internal successors, (563), 453 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:19,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 568 transitions.
[2024-11-09 11:03:19,851 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 568 transitions. Word has length 72
[2024-11-09 11:03:19,851 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:19,851 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 568 transitions.
[2024-11-09 11:03:19,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:19,851 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 568 transitions.
[2024-11-09 11:03:19,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2024-11-09 11:03:19,852 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:19,852 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:19,868 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0
[2024-11-09 11:03:20,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26
[2024-11-09 11:03:20,057 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:20,057 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:20,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1963209076, now seen corresponding path program 4 times
[2024-11-09 11:03:20,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:20,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330970616]
[2024-11-09 11:03:20,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:20,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:20,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330970616]
[2024-11-09 11:03:20,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330970616] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:20,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518142667]
[2024-11-09 11:03:20,253 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-09 11:03:20,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:20,254 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:20,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process
[2024-11-09 11:03:20,348 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-09 11:03:20,348 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:20,349 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 15 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:20,350 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:20,436 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:20,436 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:20,640 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:20,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518142667] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:20,641 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:20,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25
[2024-11-09 11:03:20,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [575530345]
[2024-11-09 11:03:20,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:20,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states
[2024-11-09 11:03:20,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:20,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants.
[2024-11-09 11:03:20,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650
[2024-11-09 11:03:20,644 INFO L87 Difference]: Start difference. First operand 457 states and 568 transitions. Second operand has 26 states, 25 states have (on average 3.4) internal successors, (85), 26 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:20,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:20,791 INFO L93 Difference]: Finished difference Result 857 states and 1094 transitions.
[2024-11-09 11:03:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2024-11-09 11:03:20,792 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 3.4) internal successors, (85), 26 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72
[2024-11-09 11:03:20,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:20,796 INFO L225 Difference]: With dead ends: 857
[2024-11-09 11:03:20,796 INFO L226 Difference]: Without dead ends: 856
[2024-11-09 11:03:20,797 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=160, Invalid=490, Unknown=0, NotChecked=0, Total=650
[2024-11-09 11:03:20,797 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 17 mSDsluCounter, 357 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:20,798 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 392 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:20,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states.
[2024-11-09 11:03:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 514.
[2024-11-09 11:03:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 504 states have (on average 1.2658730158730158) internal successors, (638), 510 states have internal predecessors, (638), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:20,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 643 transitions.
[2024-11-09 11:03:20,835 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 643 transitions. Word has length 72
[2024-11-09 11:03:20,836 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:20,836 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 643 transitions.
[2024-11-09 11:03:20,836 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 3.4) internal successors, (85), 26 states have internal predecessors, (85), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:20,836 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 643 transitions.
[2024-11-09 11:03:20,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-09 11:03:20,837 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:20,837 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:20,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0
[2024-11-09 11:03:21,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27
[2024-11-09 11:03:21,039 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:21,039 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:21,039 INFO L85 PathProgramCache]: Analyzing trace with hash 1927050958, now seen corresponding path program 2 times
[2024-11-09 11:03:21,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:21,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518448602]
[2024-11-09 11:03:21,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:21,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:21,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:21,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:21,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-09 11:03:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:21,130 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked.
[2024-11-09 11:03:21,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:21,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518448602]
[2024-11-09 11:03:21,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518448602] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:21,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:21,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:21,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874146451]
[2024-11-09 11:03:21,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:21,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:21,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:21,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:21,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:21,133 INFO L87 Difference]: Start difference. First operand 514 states and 643 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:21,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:21,174 INFO L93 Difference]: Finished difference Result 519 states and 648 transitions.
[2024-11-09 11:03:21,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:21,175 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85
[2024-11-09 11:03:21,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:21,177 INFO L225 Difference]: With dead ends: 519
[2024-11-09 11:03:21,177 INFO L226 Difference]: Without dead ends: 517
[2024-11-09 11:03:21,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:21,178 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:21,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:21,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states.
[2024-11-09 11:03:21,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517.
[2024-11-09 11:03:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 507 states have (on average 1.2642998027613412) internal successors, (641), 513 states have internal predecessors, (641), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2)
[2024-11-09 11:03:21,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 646 transitions.
[2024-11-09 11:03:21,204 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 646 transitions. Word has length 85
[2024-11-09 11:03:21,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:21,205 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 646 transitions.
[2024-11-09 11:03:21,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:21,205 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 646 transitions.
[2024-11-09 11:03:21,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86
[2024-11-09 11:03:21,206 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:21,206 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:21,207 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28
[2024-11-09 11:03:21,207 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:21,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:21,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1161471613, now seen corresponding path program 5 times
[2024-11-09 11:03:21,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:21,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875503140]
[2024-11-09 11:03:21,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:21,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:21,566 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 5 proven. 188 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked.
[2024-11-09 11:03:21,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:21,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [875503140]
[2024-11-09 11:03:21,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [875503140] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:21,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1468979642]
[2024-11-09 11:03:21,568 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2024-11-09 11:03:21,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:21,570 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:21,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process
[2024-11-09 11:03:21,690 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s)
[2024-11-09 11:03:21,691 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-09 11:03:21,693 INFO L255 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 16 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:21,694 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:21,975 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked.
[2024-11-09 11:03:21,975 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-09 11:03:21,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1468979642] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:21,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-09 11:03:21,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [16] total 32
[2024-11-09 11:03:21,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493512518]
[2024-11-09 11:03:21,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:21,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states
[2024-11-09 11:03:21,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:21,979 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants.
[2024-11-09 11:03:21,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992
[2024-11-09 11:03:21,980 INFO L87 Difference]: Start difference. First operand 517 states and 646 transitions. Second operand has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:22,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:22,097 INFO L93 Difference]: Finished difference Result 767 states and 948 transitions.
[2024-11-09 11:03:22,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states.
[2024-11-09 11:03:22,098 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 85
[2024-11-09 11:03:22,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:22,100 INFO L225 Difference]: With dead ends: 767
[2024-11-09 11:03:22,102 INFO L226 Difference]: Without dead ends: 273
[2024-11-09 11:03:22,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 263 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=152, Invalid=840, Unknown=0, NotChecked=0, Total=992
[2024-11-09 11:03:22,105 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 15 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 180 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:22,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 466 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:22,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states.
[2024-11-09 11:03:22,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 94.
[2024-11-09 11:03:22,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.1379310344827587) internal successors, (99), 90 states have internal predecessors, (99), 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)
[2024-11-09 11:03:22,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions.
[2024-11-09 11:03:22,117 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 85
[2024-11-09 11:03:22,117 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:22,117 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions.
[2024-11-09 11:03:22,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.9411764705882355) internal successors, (67), 17 states have internal predecessors, (67), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:22,117 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions.
[2024-11-09 11:03:22,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89
[2024-11-09 11:03:22,118 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:22,118 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:22,136 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0
[2024-11-09 11:03:22,321 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:22,322 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:22,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:22,322 INFO L85 PathProgramCache]: Analyzing trace with hash -2052684676, now seen corresponding path program 1 times
[2024-11-09 11:03:22,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:22,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751239136]
[2024-11-09 11:03:22,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:22,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:22,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:22,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52
[2024-11-09 11:03:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:22,443 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked.
[2024-11-09 11:03:22,443 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:22,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751239136]
[2024-11-09 11:03:22,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751239136] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-09 11:03:22,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [163711789]
[2024-11-09 11:03:22,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:22,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:22,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-09 11:03:22,447 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-09 11:03:22,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process
[2024-11-09 11:03:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:22,563 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core
[2024-11-09 11:03:22,565 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-09 11:03:22,637 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked.
[2024-11-09 11:03:22,638 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-09 11:03:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked.
[2024-11-09 11:03:22,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [163711789] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-09 11:03:22,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-09 11:03:22,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14
[2024-11-09 11:03:22,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161985390]
[2024-11-09 11:03:22,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-09 11:03:22,727 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2024-11-09 11:03:22,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:22,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2024-11-09 11:03:22,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:22,728 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-09 11:03:22,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:22,822 INFO L93 Difference]: Finished difference Result 167 states and 187 transitions.
[2024-11-09 11:03:22,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states.
[2024-11-09 11:03:22,822 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88
[2024-11-09 11:03:22,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:22,823 INFO L225 Difference]: With dead ends: 167
[2024-11-09 11:03:22,823 INFO L226 Difference]: Without dead ends: 98
[2024-11-09 11:03:22,824 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 165 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182
[2024-11-09 11:03:22,824 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 149 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 231 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 149 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:22,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 231 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 149 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-09 11:03:22,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states.
[2024-11-09 11:03:22,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96.
[2024-11-09 11:03:22,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 89 states have (on average 1.1123595505617978) internal successors, (99), 92 states have internal predecessors, (99), 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)
[2024-11-09 11:03:22,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions.
[2024-11-09 11:03:22,834 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 88
[2024-11-09 11:03:22,834 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:22,834 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions.
[2024-11-09 11:03:22,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5)
[2024-11-09 11:03:22,835 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions.
[2024-11-09 11:03:22,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118
[2024-11-09 11:03:22,835 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:22,835 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:22,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0
[2024-11-09 11:03:23,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-09 11:03:23,041 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:23,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:23,041 INFO L85 PathProgramCache]: Analyzing trace with hash -637266874, now seen corresponding path program 1 times
[2024-11-09 11:03:23,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:23,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341784941]
[2024-11-09 11:03:23,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:23,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,099 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-09 11:03:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,122 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked.
[2024-11-09 11:03:23,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:23,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341784941]
[2024-11-09 11:03:23,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341784941] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:23,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:23,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-09 11:03:23,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766817148]
[2024-11-09 11:03:23,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:23,124 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-09 11:03:23,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:23,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-09 11:03:23,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 11:03:23,125 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:23,143 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions.
[2024-11-09 11:03:23,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-09 11:03:23,143 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 117
[2024-11-09 11:03:23,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:23,144 INFO L225 Difference]: With dead ends: 96
[2024-11-09 11:03:23,144 INFO L226 Difference]: Without dead ends: 95
[2024-11-09 11:03:23,145 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-09 11:03:23,146 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:23,146 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 61 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:23,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states.
[2024-11-09 11:03:23,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95.
[2024-11-09 11:03:23,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 89 states have (on average 1.101123595505618) internal successors, (98), 91 states have internal predecessors, (98), 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)
[2024-11-09 11:03:23,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions.
[2024-11-09 11:03:23,159 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 117
[2024-11-09 11:03:23,159 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:23,159 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions.
[2024-11-09 11:03:23,159 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,159 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions.
[2024-11-09 11:03:23,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120
[2024-11-09 11:03:23,160 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:23,161 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:23,161 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31
[2024-11-09 11:03:23,161 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:23,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:23,164 INFO L85 PathProgramCache]: Analyzing trace with hash 1766859592, now seen corresponding path program 1 times
[2024-11-09 11:03:23,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:23,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017393733]
[2024-11-09 11:03:23,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:23,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-09 11:03:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked.
[2024-11-09 11:03:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017393733]
[2024-11-09 11:03:23,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017393733] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:23,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:23,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:23,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373916554]
[2024-11-09 11:03:23,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:23,251 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:23,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:23,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:23,252 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:23,273 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions.
[2024-11-09 11:03:23,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:23,274 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 119
[2024-11-09 11:03:23,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:23,274 INFO L225 Difference]: With dead ends: 95
[2024-11-09 11:03:23,274 INFO L226 Difference]: Without dead ends: 93
[2024-11-09 11:03:23,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:23,275 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:23,275 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 81 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:23,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2024-11-09 11:03:23,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91.
[2024-11-09 11:03:23,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.0804597701149425) internal successors, (94), 87 states have internal predecessors, (94), 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)
[2024-11-09 11:03:23,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions.
[2024-11-09 11:03:23,298 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 119
[2024-11-09 11:03:23,298 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:23,298 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions.
[2024-11-09 11:03:23,298 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,298 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions.
[2024-11-09 11:03:23,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121
[2024-11-09 11:03:23,299 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-09 11:03:23,299 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:23,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32
[2024-11-09 11:03:23,299 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] ===
[2024-11-09 11:03:23,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-09 11:03:23,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1061927424, now seen corresponding path program 1 times
[2024-11-09 11:03:23,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-09 11:03:23,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327005853]
[2024-11-09 11:03:23,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-09 11:03:23,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-09 11:03:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2024-11-09 11:03:23,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66
[2024-11-09 11:03:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-09 11:03:23,383 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked.
[2024-11-09 11:03:23,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-09 11:03:23,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327005853]
[2024-11-09 11:03:23,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327005853] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-09 11:03:23,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-09 11:03:23,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-09 11:03:23,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217146993]
[2024-11-09 11:03:23,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-09 11:03:23,385 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-09 11:03:23,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-09 11:03:23,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-09 11:03:23,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:23,386 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-09 11:03:23,407 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions.
[2024-11-09 11:03:23,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-09 11:03:23,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 120
[2024-11-09 11:03:23,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-09 11:03:23,408 INFO L225 Difference]: With dead ends: 91
[2024-11-09 11:03:23,408 INFO L226 Difference]: Without dead ends: 0
[2024-11-09 11:03:23,408 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-09 11:03:23,408 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-09 11:03:23,409 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-09 11:03:23,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-09 11:03:23,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-09 11:03:23,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-09 11:03:23,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-09 11:03:23,409 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120
[2024-11-09 11:03:23,409 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-09 11:03:23,409 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-09 11:03:23,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2024-11-09 11:03:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-09 11:03:23,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-09 11:03:23,414 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining)
[2024-11-09 11:03:23,415 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining)
[2024-11-09 11:03:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining)
[2024-11-09 11:03:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining)
[2024-11-09 11:03:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining)
[2024-11-09 11:03:23,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining)
[2024-11-09 11:03:23,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33
[2024-11-09 11:03:23,420 INFO L407 BasicCegarLoop]: Path program histogram: [5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-09 11:03:23,422 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-09 11:03:25,774 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-09 11:03:25,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:03:25 BoogieIcfgContainer
[2024-11-09 11:03:25,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-09 11:03:25,808 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-09 11:03:25,808 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-09 11:03:25,808 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-09 11:03:25,809 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:03:06" (3/4) ...
[2024-11-09 11:03:25,811 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-09 11:03:25,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sep
[2024-11-09 11:03:25,822 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges
[2024-11-09 11:03:25,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-09 11:03:25,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-09 11:03:25,823 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-09 11:03:25,937 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-09 11:03:25,938 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-09 11:03:25,938 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-09 11:03:25,939 INFO L158 Benchmark]: Toolchain (without parser) took 20435.43ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 120.5MB in the beginning and 238.2MB in the end (delta: -117.8MB). Peak memory consumption was 50.5MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,939 INFO L158 Benchmark]: CDTParser took 1.96ms. Allocated memory is still 148.9MB. Free memory was 122.4MB in the beginning and 122.1MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-09 11:03:25,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.07ms. Allocated memory is still 148.9MB. Free memory was 120.5MB in the beginning and 107.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.35ms. Allocated memory is still 148.9MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,939 INFO L158 Benchmark]: Boogie Preprocessor took 39.50ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,940 INFO L158 Benchmark]: RCFGBuilder took 419.58ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 89.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,940 INFO L158 Benchmark]: TraceAbstraction took 19486.96ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 88.6MB in the beginning and 243.5MB in the end (delta: -154.9MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,940 INFO L158 Benchmark]: Witness Printer took 130.49ms. Allocated memory is still 314.6MB. Free memory was 243.5MB in the beginning and 238.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-09 11:03:25,941 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.96ms. Allocated memory is still 148.9MB. Free memory was 122.4MB in the beginning and 122.1MB in the end (delta: 241.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 306.07ms. Allocated memory is still 148.9MB. Free memory was 120.5MB in the beginning and 107.5MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.35ms. Allocated memory is still 148.9MB. Free memory was 107.5MB in the beginning and 106.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.50ms. Allocated memory is still 148.9MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 419.58ms. Allocated memory is still 148.9MB. Free memory was 104.0MB in the beginning and 89.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 19486.96ms. Allocated memory was 148.9MB in the beginning and 314.6MB in the end (delta: 165.7MB). Free memory was 88.6MB in the beginning and 243.5MB in the end (delta: -154.9MB). Peak memory consumption was 160.2MB. Max. memory is 16.1GB.
* Witness Printer took 130.49ms. Allocated memory is still 314.6MB. Free memory was 243.5MB in the beginning and 238.2MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 37]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 37]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 47]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 47]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 46]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 46]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 21]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 18]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 18]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 2 procedures, 52 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 17.0s, OverallIterations: 34, TraceHistogramMax: 10, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 265 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 265 mSDsluCounter, 6178 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4837 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1645 IncrementalHoareTripleChecker+Invalid, 1688 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 1341 mSDtfsCounter, 1645 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2084 GetRequests, 1760 SyntacticMatches, 10 SemanticMatches, 314 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1415 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=517occurred in iteration=29, InterpolantAutomatonStates: 312, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 34 MinimizatonAttempts, 1285 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.6s InterpolantComputationTime, 2932 NumberOfCodeBlocks, 2888 NumberOfCodeBlocksAsserted, 83 NumberOfCheckSat, 3543 ConstructedInterpolants, 0 QuantifiedInterpolants, 7159 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3892 ConjunctsInSsa, 177 ConjunctsInUnsatCore, 71 InterpolantComputations, 21 PerfectInterpolantSequences, 4740/6510 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
12 specifications checked. All of them hold
- InvariantResult [Line: 37]: Loop Invariant
Derived loop invariant: ((i == 0) || (0 < i))
- InvariantResult [Line: 46]: Loop Invariant
Derived loop invariant: (0 < (2147483650 + i))
- InvariantResult [Line: 18]: Loop Invariant
Derived loop invariant: ((((((((((((((0 <= ((__int128) ret + 1)) && (ret <= 9223372036854775804)) && (5 <= i)) || (((i == 4) && (0 <= ((__int128) ret + 9223372036854775804))) && (ret <= 2))) || ((((__int128) ret + 1) == 0) && (i == 1))) || (((1 <= ret) && (ret <= 2)) && (2 == i))) || (((0 <= ((__int128) ret + 9223372036854775805)) && (ret <= 1)) && (5 <= i))) || (((((__int128) ret + 1) <= 0) && (0 <= ((__int128) 2 + ret))) && (2 == i))) || (((ret <= 1) && (3 == i)) && ((0 < ((__int128) 3 + ret)) || (((__int128) 3 + ret) == 0)))) || (((3 == i) && (ret <= 3)) && (0 < ((__int128) ret + 1)))) || (((ret <= 9223372036854775803) && (i == 4)) && (0 <= ((__int128) 2 + ret)))) || ((ret == 1) && (i == 1))) || ((ret == 0) && (2 == i))) || ((ret == 0) && (i == 0)))
RESULT: Ultimate proved your program to be correct!
[2024-11-09 11:03:25,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE