./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/reducercommutativity/max60-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/max60-2.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 6dbb3c8dbc9ecf6e4f72a22b68126998e2267c3eb50185a59b3a9d03df64099d --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:48:05,636 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:48:05,711 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:48:05,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:48:05,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:48:05,744 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:48:05,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:48:05,745 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:48:05,746 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:48:05,750 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:48:05,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:48:05,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:48:05,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:48:05,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:48:05,752 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:48:05,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:48:05,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:48:05,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:48:05,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:48:05,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:48:05,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:48:05,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:48:05,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:48:05,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:48:05,757 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:48:05,757 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:48:05,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:48:05,758 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:48:05,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:48:05,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:48:05,759 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:48:05,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:48:05,759 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:48:05,760 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:48:05,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:05,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:48:05,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:48:05,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:48:05,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:48:05,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:48:05,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:48:05,763 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:48:05,763 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:48:05,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:48:05,764 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6dbb3c8dbc9ecf6e4f72a22b68126998e2267c3eb50185a59b3a9d03df64099d [2024-11-17 03:48:06,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:48:06,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:48:06,031 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:48:06,032 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:48:06,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:48:06,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/max60-2.i [2024-11-17 03:48:07,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:48:07,558 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:48:07,559 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/max60-2.i [2024-11-17 03:48:07,565 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e506539/25618167207b4628892305eb55a04cdc/FLAG71412e3b2 [2024-11-17 03:48:07,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61e506539/25618167207b4628892305eb55a04cdc [2024-11-17 03:48:07,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:48:07,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:48:07,942 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:07,942 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:48:07,947 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:48:07,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:07" (1/1) ... [2024-11-17 03:48:07,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9f04df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:07, skipping insertion in model container [2024-11-17 03:48:07,948 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:48:07" (1/1) ... [2024-11-17 03:48:07,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:48:08,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:08,195 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:48:08,214 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:48:08,230 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:48:08,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08 WrapperNode [2024-11-17 03:48:08,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:48:08,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:08,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:48:08,232 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:48:08,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,260 INFO L138 Inliner]: procedures = 16, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-17 03:48:08,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:48:08,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:48:08,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:48:08,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:48:08,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,289 INFO L175 MemorySlicer]: Split 13 memory accesses to 2 slices as follows [2, 11]. 85 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]. [2024-11-17 03:48:08,290 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,290 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,295 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,298 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,299 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,301 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:48:08,302 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:48:08,306 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:48:08,306 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:48:08,307 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (1/1) ... [2024-11-17 03:48:08,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:48:08,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:08,331 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) [2024-11-17 03:48:08,333 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 [2024-11-17 03:48:08,371 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure max [2024-11-17 03:48:08,372 INFO L138 BoogieDeclarations]: Found implementation of procedure max [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-17 03:48:08,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:48:08,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:48:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:48:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-17 03:48:08,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:48:08,446 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:48:08,448 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:48:08,643 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L28: call ULTIMATE.dealloc(main_~#x~0#1.base, main_~#x~0#1.offset);havoc main_~#x~0#1.base, main_~#x~0#1.offset; [2024-11-17 03:48:08,667 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-11-17 03:48:08,667 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:48:08,685 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:48:08,686 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:48:08,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:08 BoogieIcfgContainer [2024-11-17 03:48:08,686 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:48:08,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:48:08,690 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:48:08,693 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:48:08,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:48:07" (1/3) ... [2024-11-17 03:48:08,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6664076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:08, skipping insertion in model container [2024-11-17 03:48:08,695 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:48:08" (2/3) ... [2024-11-17 03:48:08,695 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6664076e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:48:08, skipping insertion in model container [2024-11-17 03:48:08,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:08" (3/3) ... [2024-11-17 03:48:08,697 INFO L112 eAbstractionObserver]: Analyzing ICFG max60-2.i [2024-11-17 03:48:08,715 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:48:08,715 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 03:48:08,767 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:48:08,774 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;@50cfab1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:48:08,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 03:48:08,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 44 states have internal predecessors, (53), 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) [2024-11-17 03:48:08,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-17 03:48:08,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:08,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-17 03:48:08,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:08,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:08,788 INFO L85 PathProgramCache]: Analyzing trace with hash 85854645, now seen corresponding path program 1 times [2024-11-17 03:48:08,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:08,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719801620] [2024-11-17 03:48:08,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:08,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:09,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:09,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719801620] [2024-11-17 03:48:09,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1719801620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:09,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:09,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:09,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1598566320] [2024-11-17 03:48:09,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:09,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:09,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:09,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:09,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:09,060 INFO L87 Difference]: Start difference. First operand has 49 states, 36 states have (on average 1.4722222222222223) internal successors, (53), 44 states have internal predecessors, (53), 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) [2024-11-17 03:48:09,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:09,119 INFO L93 Difference]: Finished difference Result 95 states and 118 transitions. [2024-11-17 03:48:09,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:09,124 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 [2024-11-17 03:48:09,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:09,131 INFO L225 Difference]: With dead ends: 95 [2024-11-17 03:48:09,131 INFO L226 Difference]: Without dead ends: 46 [2024-11-17 03:48:09,134 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 [2024-11-17 03:48:09,137 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 2 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 139 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 [2024-11-17 03:48:09,138 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 139 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:09,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-17 03:48:09,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2024-11-17 03:48:09,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 41 states have internal predecessors, (45), 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) [2024-11-17 03:48:09,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 50 transitions. [2024-11-17 03:48:09,172 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 50 transitions. Word has length 5 [2024-11-17 03:48:09,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:09,172 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 50 transitions. [2024-11-17 03:48:09,172 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) [2024-11-17 03:48:09,173 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 50 transitions. [2024-11-17 03:48:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 03:48:09,173 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:09,173 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:09,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:48:09,174 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:09,174 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:09,174 INFO L85 PathProgramCache]: Analyzing trace with hash 254874946, now seen corresponding path program 1 times [2024-11-17 03:48:09,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:09,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606365030] [2024-11-17 03:48:09,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:09,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606365030] [2024-11-17 03:48:09,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606365030] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:09,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [866845575] [2024-11-17 03:48:09,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:09,314 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) [2024-11-17 03:48:09,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:48:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,385 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:48:09,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:09,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:09,458 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:09,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [866845575] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:09,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:09,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:48:09,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322411650] [2024-11-17 03:48:09,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:09,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:48:09,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:09,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:48:09,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:48:09,462 INFO L87 Difference]: Start difference. First operand 45 states and 50 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2024-11-17 03:48:09,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:09,500 INFO L93 Difference]: Finished difference Result 46 states and 51 transitions. [2024-11-17 03:48:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:48:09,501 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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 [2024-11-17 03:48:09,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:09,501 INFO L225 Difference]: With dead ends: 46 [2024-11-17 03:48:09,501 INFO L226 Difference]: Without dead ends: 45 [2024-11-17 03:48:09,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:48:09,503 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:09,504 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 116 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:09,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-17 03:48:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 44. [2024-11-17 03:48:09,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 40 states have internal predecessors, (44), 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) [2024-11-17 03:48:09,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2024-11-17 03:48:09,513 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 49 transitions. Word has length 10 [2024-11-17 03:48:09,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:09,513 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 49 transitions. [2024-11-17 03:48:09,514 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 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) [2024-11-17 03:48:09,514 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2024-11-17 03:48:09,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 03:48:09,514 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:09,514 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 03:48:09,532 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:48:09,715 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 [2024-11-17 03:48:09,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:09,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:09,717 INFO L85 PathProgramCache]: Analyzing trace with hash -688811247, now seen corresponding path program 1 times [2024-11-17 03:48:09,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:09,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879429611] [2024-11-17 03:48:09,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,795 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:48:09,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:09,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879429611] [2024-11-17 03:48:09,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879429611] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:09,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:09,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:09,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968337279] [2024-11-17 03:48:09,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:09,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:09,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:09,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:09,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:09,800 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2024-11-17 03:48:09,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:09,813 INFO L93 Difference]: Finished difference Result 44 states and 49 transitions. [2024-11-17 03:48:09,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:09,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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 11 [2024-11-17 03:48:09,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:09,815 INFO L225 Difference]: With dead ends: 44 [2024-11-17 03:48:09,815 INFO L226 Difference]: Without dead ends: 43 [2024-11-17 03:48:09,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:09,817 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:09,819 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 80 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:09,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-17 03:48:09,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2024-11-17 03:48:09,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3225806451612903) internal successors, (41), 37 states have internal predecessors, (41), 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) [2024-11-17 03:48:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2024-11-17 03:48:09,830 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 11 [2024-11-17 03:48:09,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:09,830 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2024-11-17 03:48:09,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 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) [2024-11-17 03:48:09,830 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2024-11-17 03:48:09,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 03:48:09,831 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:09,831 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:09,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:48:09,833 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:09,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:09,834 INFO L85 PathProgramCache]: Analyzing trace with hash 1982650171, now seen corresponding path program 1 times [2024-11-17 03:48:09,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:09,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256392860] [2024-11-17 03:48:09,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:09,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:09,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:09,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256392860] [2024-11-17 03:48:09,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256392860] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:09,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [917660810] [2024-11-17 03:48:09,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:09,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:09,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:09,955 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) [2024-11-17 03:48:09,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:48:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:10,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:10,021 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:10,069 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:10,070 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:10,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:48:10,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [917660810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:10,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:10,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 03:48:10,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990011591] [2024-11-17 03:48:10,118 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:10,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:48:10,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:10,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:48:10,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:10,122 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2024-11-17 03:48:10,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:10,170 INFO L93 Difference]: Finished difference Result 83 states and 94 transitions. [2024-11-17 03:48:10,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:48:10,172 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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 17 [2024-11-17 03:48:10,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:10,173 INFO L225 Difference]: With dead ends: 83 [2024-11-17 03:48:10,173 INFO L226 Difference]: Without dead ends: 51 [2024-11-17 03:48:10,174 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:48:10,175 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:10,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 269 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-17 03:48:10,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-17 03:48:10,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 41 states have (on average 1.2439024390243902) 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) [2024-11-17 03:48:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-17 03:48:10,181 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 17 [2024-11-17 03:48:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:10,181 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-17 03:48:10,182 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.0) internal successors, (30), 10 states have internal predecessors, (30), 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) [2024-11-17 03:48:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-17 03:48:10,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 03:48:10,184 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:10,184 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:10,196 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:48:10,385 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 [2024-11-17 03:48:10,386 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:10,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:10,386 INFO L85 PathProgramCache]: Analyzing trace with hash -2104502437, now seen corresponding path program 2 times [2024-11-17 03:48:10,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:10,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449505856] [2024-11-17 03:48:10,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:10,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:10,479 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:10,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:10,479 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449505856] [2024-11-17 03:48:10,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449505856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:10,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:10,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:10,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771381001] [2024-11-17 03:48:10,480 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:10,480 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:10,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:10,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:10,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:10,481 INFO L87 Difference]: Start difference. First operand 51 states and 56 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) [2024-11-17 03:48:10,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:10,515 INFO L93 Difference]: Finished difference Result 88 states and 102 transitions. [2024-11-17 03:48:10,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:10,519 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 27 [2024-11-17 03:48:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:10,520 INFO L225 Difference]: With dead ends: 88 [2024-11-17 03:48:10,522 INFO L226 Difference]: Without dead ends: 58 [2024-11-17 03:48:10,522 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 [2024-11-17 03:48:10,523 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 3 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:10,524 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 110 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:10,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-17 03:48:10,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-11-17 03:48:10,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 47 states have (on average 1.2340425531914894) internal successors, (58), 53 states have internal predecessors, (58), 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) [2024-11-17 03:48:10,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2024-11-17 03:48:10,533 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 27 [2024-11-17 03:48:10,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:10,534 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2024-11-17 03:48:10,534 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) [2024-11-17 03:48:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2024-11-17 03:48:10,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 03:48:10,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:10,535 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:10,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:48:10,535 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:10,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:10,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1554521998, now seen corresponding path program 1 times [2024-11-17 03:48:10,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:10,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840288298] [2024-11-17 03:48:10,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:10,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:10,665 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:10,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:10,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840288298] [2024-11-17 03:48:10,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840288298] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:10,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254906378] [2024-11-17 03:48:10,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:10,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:10,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:10,669 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) [2024-11-17 03:48:10,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:48:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:10,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 03:48:10,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:10,794 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:10,798 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:10,924 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:10,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254906378] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:10,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:10,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-17 03:48:10,925 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791735492] [2024-11-17 03:48:10,925 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:10,926 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 03:48:10,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:10,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 03:48:10,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:48:10,930 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) [2024-11-17 03:48:10,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:10,990 INFO L93 Difference]: Finished difference Result 115 states and 130 transitions. [2024-11-17 03:48:10,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:48:10,994 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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 34 [2024-11-17 03:48:10,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:10,995 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:10,995 INFO L226 Difference]: Without dead ends: 77 [2024-11-17 03:48:10,996 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-17 03:48:10,996 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 158 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:10,997 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 198 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:10,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-17 03:48:11,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-17 03:48:11,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 67 states have (on average 1.164179104477612) internal successors, (78), 73 states have internal predecessors, (78), 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) [2024-11-17 03:48:11,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 83 transitions. [2024-11-17 03:48:11,004 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 83 transitions. Word has length 34 [2024-11-17 03:48:11,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:11,004 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 83 transitions. [2024-11-17 03:48:11,004 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 18 states have internal predecessors, (53), 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) [2024-11-17 03:48:11,004 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 83 transitions. [2024-11-17 03:48:11,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 03:48:11,006 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:11,006 INFO L215 NwaCegarLoop]: trace histogram [8, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:11,023 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:11,206 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,207 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:11,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:11,207 INFO L85 PathProgramCache]: Analyzing trace with hash 1019170638, now seen corresponding path program 2 times [2024-11-17 03:48:11,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:11,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691347566] [2024-11-17 03:48:11,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:11,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:11,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:11,555 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:11,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:11,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691347566] [2024-11-17 03:48:11,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691347566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:11,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229989764] [2024-11-17 03:48:11,557 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 03:48:11,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:11,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:11,559 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) [2024-11-17 03:48:11,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:48:11,643 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 03:48:11,644 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:11,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 03:48:11,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:11,745 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:12,084 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 119 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:12,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [229989764] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:12,085 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:12,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-17 03:48:12,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15865987] [2024-11-17 03:48:12,085 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:12,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-17 03:48:12,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:12,087 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-17 03:48:12,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:48:12,088 INFO L87 Difference]: Start difference. First operand 77 states and 83 transitions. Second operand has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 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) [2024-11-17 03:48:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:12,193 INFO L93 Difference]: Finished difference Result 155 states and 174 transitions. [2024-11-17 03:48:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 03:48:12,193 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 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 54 [2024-11-17 03:48:12,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:12,194 INFO L225 Difference]: With dead ends: 155 [2024-11-17 03:48:12,194 INFO L226 Difference]: Without dead ends: 117 [2024-11-17 03:48:12,195 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 03:48:12,196 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:12,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 323 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:48:12,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-17 03:48:12,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-17 03:48:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 107 states have (on average 1.102803738317757) internal successors, (118), 113 states have internal predecessors, (118), 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) [2024-11-17 03:48:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 123 transitions. [2024-11-17 03:48:12,211 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 123 transitions. Word has length 54 [2024-11-17 03:48:12,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:12,211 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 123 transitions. [2024-11-17 03:48:12,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 2.735294117647059) internal successors, (93), 34 states have internal predecessors, (93), 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) [2024-11-17 03:48:12,212 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 123 transitions. [2024-11-17 03:48:12,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 03:48:12,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:12,215 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:12,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:12,416 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:12,417 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:12,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:12,418 INFO L85 PathProgramCache]: Analyzing trace with hash 1346211534, now seen corresponding path program 3 times [2024-11-17 03:48:12,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:12,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900210928] [2024-11-17 03:48:12,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:12,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 03:48:13,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:13,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900210928] [2024-11-17 03:48:13,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900210928] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:13,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239994064] [2024-11-17 03:48:13,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 03:48:13,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:13,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:13,220 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) [2024-11-17 03:48:13,224 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:48:13,305 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-17 03:48:13,306 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 03:48:13,307 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 03:48:13,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:13,388 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 555 trivial. 0 not checked. [2024-11-17 03:48:13,389 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:13,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239994064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:13,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:13,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-17 03:48:13,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379343504] [2024-11-17 03:48:13,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:13,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:48:13,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:13,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:48:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:48:13,393 INFO L87 Difference]: Start difference. First operand 117 states and 123 transitions. Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 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) [2024-11-17 03:48:13,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:13,415 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2024-11-17 03:48:13,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:13,416 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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 94 [2024-11-17 03:48:13,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:13,417 INFO L225 Difference]: With dead ends: 117 [2024-11-17 03:48:13,417 INFO L226 Difference]: Without dead ends: 116 [2024-11-17 03:48:13,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=295, Invalid=965, Unknown=0, NotChecked=0, Total=1260 [2024-11-17 03:48:13,419 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:13,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 137 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:13,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-17 03:48:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-17 03:48:13,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 107 states have (on average 1.0934579439252337) internal successors, (117), 112 states have internal predecessors, (117), 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) [2024-11-17 03:48:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 122 transitions. [2024-11-17 03:48:13,427 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 122 transitions. Word has length 94 [2024-11-17 03:48:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:13,428 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 122 transitions. [2024-11-17 03:48:13,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 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) [2024-11-17 03:48:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 122 transitions. [2024-11-17 03:48:13,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 03:48:13,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:13,430 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:13,446 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:13,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:13,631 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:13,631 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:13,632 INFO L85 PathProgramCache]: Analyzing trace with hash -1217115434, now seen corresponding path program 1 times [2024-11-17 03:48:13,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:13,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736860669] [2024-11-17 03:48:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:13,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:13,759 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2024-11-17 03:48:13,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:13,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1736860669] [2024-11-17 03:48:13,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1736860669] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:13,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:13,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:13,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818554426] [2024-11-17 03:48:13,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:13,761 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:13,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:13,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:13,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:13,762 INFO L87 Difference]: Start difference. First operand 116 states and 122 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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) [2024-11-17 03:48:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:13,779 INFO L93 Difference]: Finished difference Result 116 states and 122 transitions. [2024-11-17 03:48:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:13,779 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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 95 [2024-11-17 03:48:13,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:13,782 INFO L225 Difference]: With dead ends: 116 [2024-11-17 03:48:13,782 INFO L226 Difference]: Without dead ends: 113 [2024-11-17 03:48:13,783 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 [2024-11-17 03:48:13,783 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 105 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 [2024-11-17 03:48:13,783 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 105 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:13,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-17 03:48:13,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2024-11-17 03:48:13,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 102 states have (on average 1.0686274509803921) internal successors, (109), 105 states have internal predecessors, (109), 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) [2024-11-17 03:48:13,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 113 transitions. [2024-11-17 03:48:13,799 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 113 transitions. Word has length 95 [2024-11-17 03:48:13,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:13,799 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 113 transitions. [2024-11-17 03:48:13,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 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) [2024-11-17 03:48:13,799 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 113 transitions. [2024-11-17 03:48:13,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-11-17 03:48:13,801 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:13,801 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:13,801 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 03:48:13,801 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:13,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:13,802 INFO L85 PathProgramCache]: Analyzing trace with hash -1456568694, now seen corresponding path program 1 times [2024-11-17 03:48:13,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:13,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013754534] [2024-11-17 03:48:13,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:13,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:13,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:13,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:13,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:13,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013754534] [2024-11-17 03:48:13,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013754534] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:13,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1314170639] [2024-11-17 03:48:13,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:13,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:13,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:13,983 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) [2024-11-17 03:48:13,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:48:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,103 INFO L255 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 03:48:14,105 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:14,129 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-17 03:48:14,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:14,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1314170639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:14,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:14,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-17 03:48:14,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927302073] [2024-11-17 03:48:14,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:14,130 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:14,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:14,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:14,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:14,132 INFO L87 Difference]: Start difference. First operand 109 states and 113 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-17 03:48:14,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:14,154 INFO L93 Difference]: Finished difference Result 115 states and 120 transitions. [2024-11-17 03:48:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:14,155 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 113 [2024-11-17 03:48:14,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:14,156 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:14,156 INFO L226 Difference]: Without dead ends: 114 [2024-11-17 03:48:14,157 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:14,157 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:14,157 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:14,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-17 03:48:14,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 112. [2024-11-17 03:48:14,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 105 states have (on average 1.0666666666666667) internal successors, (112), 108 states have internal predecessors, (112), 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) [2024-11-17 03:48:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2024-11-17 03:48:14,164 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 113 [2024-11-17 03:48:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:14,165 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2024-11-17 03:48:14,165 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2024-11-17 03:48:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2024-11-17 03:48:14,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-17 03:48:14,167 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:14,167 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:14,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:14,367 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:14,368 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:14,368 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:14,369 INFO L85 PathProgramCache]: Analyzing trace with hash 2091010747, now seen corresponding path program 1 times [2024-11-17 03:48:14,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:14,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438298150] [2024-11-17 03:48:14,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,513 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:14,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438298150] [2024-11-17 03:48:14,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438298150] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:14,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116952102] [2024-11-17 03:48:14,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:14,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:14,516 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) [2024-11-17 03:48:14,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:48:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-17 03:48:14,636 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:14,659 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2024-11-17 03:48:14,660 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:48:14,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116952102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:14,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:48:14,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-17 03:48:14,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881254663] [2024-11-17 03:48:14,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:14,661 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:14,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:14,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:14,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:14,662 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-17 03:48:14,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:14,679 INFO L93 Difference]: Finished difference Result 115 states and 119 transitions. [2024-11-17 03:48:14,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:14,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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 114 [2024-11-17 03:48:14,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:14,681 INFO L225 Difference]: With dead ends: 115 [2024-11-17 03:48:14,681 INFO L226 Difference]: Without dead ends: 114 [2024-11-17 03:48:14,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:48:14,681 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:14,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:14,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-17 03:48:14,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2024-11-17 03:48:14,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 106 states have (on average 1.0660377358490567) internal successors, (113), 109 states have internal predecessors, (113), 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) [2024-11-17 03:48:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2024-11-17 03:48:14,692 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 114 [2024-11-17 03:48:14,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:14,693 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2024-11-17 03:48:14,693 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 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) [2024-11-17 03:48:14,693 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2024-11-17 03:48:14,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-17 03:48:14,698 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:14,698 INFO L215 NwaCegarLoop]: trace histogram [16, 15, 15, 15, 15, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:14,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:48:14,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:14,899 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:14,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:14,900 INFO L85 PathProgramCache]: Analyzing trace with hash -583366535, now seen corresponding path program 1 times [2024-11-17 03:48:14,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:14,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919132201] [2024-11-17 03:48:14,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:14,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:14,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2024-11-17 03:48:14,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:15,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 03:48:15,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:15,023 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2024-11-17 03:48:15,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:15,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [919132201] [2024-11-17 03:48:15,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [919132201] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:15,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1842603416] [2024-11-17 03:48:15,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:15,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:15,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:15,025 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) [2024-11-17 03:48:15,027 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:48:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:15,145 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-17 03:48:15,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:15,717 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:16,896 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 555 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-17 03:48:16,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1842603416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:16,897 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:16,897 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 33, 33] total 67 [2024-11-17 03:48:16,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451621427] [2024-11-17 03:48:16,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:16,898 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-17 03:48:16,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:16,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-17 03:48:16,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:48:16,902 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 03:48:17,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:17,163 INFO L93 Difference]: Finished difference Result 236 states and 264 transitions. [2024-11-17 03:48:17,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-11-17 03:48:17,164 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 116 [2024-11-17 03:48:17,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:17,166 INFO L225 Difference]: With dead ends: 236 [2024-11-17 03:48:17,166 INFO L226 Difference]: Without dead ends: 202 [2024-11-17 03:48:17,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1171 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1063, Invalid=3359, Unknown=0, NotChecked=0, Total=4422 [2024-11-17 03:48:17,169 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 4 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:17,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 412 Invalid, 256 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:48:17,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2024-11-17 03:48:17,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 200. [2024-11-17 03:48:17,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 193 states have (on average 1.0414507772020725) internal successors, (201), 196 states have internal predecessors, (201), 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) [2024-11-17 03:48:17,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 205 transitions. [2024-11-17 03:48:17,185 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 205 transitions. Word has length 116 [2024-11-17 03:48:17,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:17,186 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 205 transitions. [2024-11-17 03:48:17,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 3.074626865671642) internal successors, (206), 67 states have internal predecessors, (206), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 03:48:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 205 transitions. [2024-11-17 03:48:17,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-11-17 03:48:17,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:17,189 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:17,206 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:48:17,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-17 03:48:17,390 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:17,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:17,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1153642715, now seen corresponding path program 2 times [2024-11-17 03:48:17,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:17,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361643888] [2024-11-17 03:48:17,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:17,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,552 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 03:48:17,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 03:48:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 2451 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2024-11-17 03:48:17,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:17,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361643888] [2024-11-17 03:48:17,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361643888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:17,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:17,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:17,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715146120] [2024-11-17 03:48:17,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:17,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:17,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:17,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:17,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:17,566 INFO L87 Difference]: Start difference. First operand 200 states and 205 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-17 03:48:17,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:17,592 INFO L93 Difference]: Finished difference Result 206 states and 211 transitions. [2024-11-17 03:48:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:17,593 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 210 [2024-11-17 03:48:17,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:17,594 INFO L225 Difference]: With dead ends: 206 [2024-11-17 03:48:17,594 INFO L226 Difference]: Without dead ends: 204 [2024-11-17 03:48:17,594 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 [2024-11-17 03:48:17,595 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 89 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 [2024-11-17 03:48:17,595 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 89 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:17,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-17 03:48:17,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-17 03:48:17,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 196 states have (on average 1.0408163265306123) internal successors, (204), 199 states have internal predecessors, (204), 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) [2024-11-17 03:48:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 208 transitions. [2024-11-17 03:48:17,602 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 208 transitions. Word has length 210 [2024-11-17 03:48:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:17,602 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 208 transitions. [2024-11-17 03:48:17,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2024-11-17 03:48:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 208 transitions. [2024-11-17 03:48:17,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2024-11-17 03:48:17,604 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:17,604 INFO L215 NwaCegarLoop]: trace histogram [32, 31, 31, 31, 31, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:17,604 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-17 03:48:17,605 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:17,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:17,605 INFO L85 PathProgramCache]: Analyzing trace with hash 1687131684, now seen corresponding path program 1 times [2024-11-17 03:48:17,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:17,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273381010] [2024-11-17 03:48:17,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:17,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2024-11-17 03:48:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 03:48:17,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2451 trivial. 0 not checked. [2024-11-17 03:48:17,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273381010] [2024-11-17 03:48:17,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273381010] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:48:17,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214189705] [2024-11-17 03:48:17,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:17,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:48:17,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:48:17,816 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) [2024-11-17 03:48:17,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 03:48:17,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:17,991 INFO L255 TraceCheckSpWp]: Trace formula consists of 615 conjuncts, 64 conjuncts are in the unsatisfiable core [2024-11-17 03:48:17,995 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:48:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 03:48:19,649 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:48:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 2454 backedges. 0 proven. 2387 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-11-17 03:48:22,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214189705] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:48:22,871 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:48:22,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 65, 65] total 124 [2024-11-17 03:48:22,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247081905] [2024-11-17 03:48:22,871 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:48:22,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2024-11-17 03:48:22,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:22,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2024-11-17 03:48:22,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3726, Invalid=11526, Unknown=0, NotChecked=0, Total=15252 [2024-11-17 03:48:22,882 INFO L87 Difference]: Start difference. First operand 203 states and 208 transitions. Second operand has 124 states, 124 states have (on average 2.870967741935484) internal successors, (356), 124 states have internal predecessors, (356), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 03:48:23,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:23,360 INFO L93 Difference]: Finished difference Result 398 states and 438 transitions. [2024-11-17 03:48:23,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2024-11-17 03:48:23,361 INFO L78 Accepts]: Start accepts. Automaton has has 124 states, 124 states have (on average 2.870967741935484) internal successors, (356), 124 states have internal predecessors, (356), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 215 [2024-11-17 03:48:23,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:23,363 INFO L225 Difference]: With dead ends: 398 [2024-11-17 03:48:23,363 INFO L226 Difference]: Without dead ends: 354 [2024-11-17 03:48:23,368 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 436 GetRequests, 307 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4765 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=3726, Invalid=11526, Unknown=0, NotChecked=0, Total=15252 [2024-11-17 03:48:23,368 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 439 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 488 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:23,369 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 467 Invalid, 488 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:48:23,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 354 states. [2024-11-17 03:48:23,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 354 to 352. [2024-11-17 03:48:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 345 states have (on average 1.0231884057971015) internal successors, (353), 348 states have internal predecessors, (353), 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) [2024-11-17 03:48:23,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 357 transitions. [2024-11-17 03:48:23,378 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 357 transitions. Word has length 215 [2024-11-17 03:48:23,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:23,379 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 357 transitions. [2024-11-17 03:48:23,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 2.870967741935484) internal successors, (356), 124 states have internal predecessors, (356), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2024-11-17 03:48:23,379 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 357 transitions. [2024-11-17 03:48:23,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2024-11-17 03:48:23,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:23,385 INFO L215 NwaCegarLoop]: trace histogram [61, 60, 60, 60, 60, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:23,403 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 03:48:23,589 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 [2024-11-17 03:48:23,590 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:23,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:23,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1083852940, now seen corresponding path program 1 times [2024-11-17 03:48:23,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:23,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100911414] [2024-11-17 03:48:23,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:23,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:23,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:23,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-17 03:48:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:23,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-17 03:48:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 9038 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 9036 trivial. 0 not checked. [2024-11-17 03:48:23,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:23,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100911414] [2024-11-17 03:48:23,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [100911414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:23,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:23,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 03:48:23,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147013004] [2024-11-17 03:48:23,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:23,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 03:48:23,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:23,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 03:48:23,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 03:48:23,849 INFO L87 Difference]: Start difference. First operand 352 states and 357 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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) [2024-11-17 03:48:23,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:23,862 INFO L93 Difference]: Finished difference Result 352 states and 357 transitions. [2024-11-17 03:48:23,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 03:48:23,863 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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 361 [2024-11-17 03:48:23,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:23,865 INFO L225 Difference]: With dead ends: 352 [2024-11-17 03:48:23,865 INFO L226 Difference]: Without dead ends: 351 [2024-11-17 03:48:23,866 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 [2024-11-17 03:48:23,867 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 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 [2024-11-17 03:48:23,867 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2024-11-17 03:48:23,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 351. [2024-11-17 03:48:23,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 351 states, 345 states have (on average 1.0202898550724637) internal successors, (352), 347 states have internal predecessors, (352), 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) [2024-11-17 03:48:23,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 356 transitions. [2024-11-17 03:48:23,875 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 356 transitions. Word has length 361 [2024-11-17 03:48:23,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:23,876 INFO L471 AbstractCegarLoop]: Abstraction has 351 states and 356 transitions. [2024-11-17 03:48:23,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 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) [2024-11-17 03:48:23,876 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 356 transitions. [2024-11-17 03:48:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2024-11-17 03:48:23,880 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:23,880 INFO L215 NwaCegarLoop]: trace histogram [61, 60, 60, 60, 60, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:23,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 03:48:23,880 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:23,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:23,881 INFO L85 PathProgramCache]: Analyzing trace with hash 2094377714, now seen corresponding path program 1 times [2024-11-17 03:48:23,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:23,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447172670] [2024-11-17 03:48:23,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:23,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:23,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-17 03:48:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-17 03:48:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9040 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 9037 trivial. 0 not checked. [2024-11-17 03:48:24,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:24,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447172670] [2024-11-17 03:48:24,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447172670] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:24,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:24,160 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:24,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600928669] [2024-11-17 03:48:24,160 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:24,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:24,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:24,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:24,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:24,161 INFO L87 Difference]: Start difference. First operand 351 states and 356 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-17 03:48:24,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:24,181 INFO L93 Difference]: Finished difference Result 351 states and 356 transitions. [2024-11-17 03:48:24,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:24,182 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 363 [2024-11-17 03:48:24,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:24,184 INFO L225 Difference]: With dead ends: 351 [2024-11-17 03:48:24,184 INFO L226 Difference]: Without dead ends: 349 [2024-11-17 03:48:24,185 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 [2024-11-17 03:48:24,185 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 4 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:24,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 80 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:24,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-11-17 03:48:24,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 345. [2024-11-17 03:48:24,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 341 states have (on average 1.0146627565982405) internal successors, (346), 341 states have internal predecessors, (346), 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) [2024-11-17 03:48:24,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 350 transitions. [2024-11-17 03:48:24,195 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 350 transitions. Word has length 363 [2024-11-17 03:48:24,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:24,195 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 350 transitions. [2024-11-17 03:48:24,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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) [2024-11-17 03:48:24,195 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 350 transitions. [2024-11-17 03:48:24,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2024-11-17 03:48:24,199 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:48:24,199 INFO L215 NwaCegarLoop]: trace histogram [61, 60, 60, 60, 60, 6, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:24,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 03:48:24,200 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:48:24,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:48:24,200 INFO L85 PathProgramCache]: Analyzing trace with hash 501199694, now seen corresponding path program 1 times [2024-11-17 03:48:24,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:48:24,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724542844] [2024-11-17 03:48:24,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:48:24,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:48:24,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2024-11-17 03:48:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2024-11-17 03:48:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:48:24,428 INFO L134 CoverageAnalysis]: Checked inductivity of 9041 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 9036 trivial. 0 not checked. [2024-11-17 03:48:24,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:48:24,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724542844] [2024-11-17 03:48:24,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724542844] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:48:24,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:48:24,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:48:24,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42451502] [2024-11-17 03:48:24,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:48:24,430 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:48:24,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:48:24,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:48:24,430 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:48:24,430 INFO L87 Difference]: Start difference. First operand 345 states and 350 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-17 03:48:24,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:48:24,449 INFO L93 Difference]: Finished difference Result 345 states and 350 transitions. [2024-11-17 03:48:24,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:48:24,450 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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 364 [2024-11-17 03:48:24,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:48:24,451 INFO L225 Difference]: With dead ends: 345 [2024-11-17 03:48:24,451 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 03:48:24,452 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 [2024-11-17 03:48:24,452 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:48:24,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 81 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:48:24,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 03:48:24,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 03:48:24,453 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) [2024-11-17 03:48:24,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 03:48:24,454 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2024-11-17 03:48:24,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:48:24,454 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 03:48:24,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 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) [2024-11-17 03:48:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 03:48:24,454 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 03:48:24,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location maxErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location maxErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-17 03:48:24,457 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-17 03:48:24,458 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-17 03:48:24,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 03:48:24,461 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:48:24,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 03:48:24,538 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:48:24,553 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:48:24 BoogieIcfgContainer [2024-11-17 03:48:24,553 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:48:24,553 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:48:24,553 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:48:24,554 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:48:24,554 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:48:08" (3/4) ... [2024-11-17 03:48:24,571 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 03:48:24,576 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure max [2024-11-17 03:48:24,581 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-17 03:48:24,582 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-17 03:48:24,582 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 03:48:24,583 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 03:48:24,669 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:48:24,672 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 03:48:24,672 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:48:24,673 INFO L158 Benchmark]: Toolchain (without parser) took 16732.81ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 86.7MB in the beginning and 233.8MB in the end (delta: -147.1MB). Peak memory consumption was 125.6MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,673 INFO L158 Benchmark]: CDTParser took 0.90ms. Allocated memory is still 155.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:48:24,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.97ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 122.8MB in the end (delta: -36.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.33ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,674 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:48:24,674 INFO L158 Benchmark]: IcfgBuilder took 384.74ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 105.5MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,674 INFO L158 Benchmark]: TraceAbstraction took 15863.68ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 104.5MB in the beginning and 82.9MB in the end (delta: 21.6MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,674 INFO L158 Benchmark]: Witness Printer took 119.06ms. Allocated memory is still 270.5MB. Free memory was 82.9MB in the beginning and 233.8MB in the end (delta: -150.8MB). Peak memory consumption was 5.4MB. Max. memory is 16.1GB. [2024-11-17 03:48:24,676 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.90ms. Allocated memory is still 155.2MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.97ms. Allocated memory is still 155.2MB. Free memory was 86.4MB in the beginning and 122.8MB in the end (delta: -36.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.33ms. Allocated memory is still 155.2MB. Free memory was 122.8MB in the beginning and 121.3MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.05ms. Allocated memory is still 155.2MB. Free memory was 121.3MB in the beginning and 119.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 384.74ms. Allocated memory is still 155.2MB. Free memory was 119.7MB in the beginning and 105.5MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 15863.68ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 104.5MB in the beginning and 82.9MB in the end (delta: 21.6MB). Peak memory consumption was 137.5MB. Max. memory is 16.1GB. * Witness Printer took 119.06ms. Allocated memory is still 270.5MB. Free memory was 82.9MB in the beginning and 233.8MB in the end (delta: -150.8MB). Peak memory consumption was 5.4MB. 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: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: 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, 49 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 15.7s, OverallIterations: 17, TraceHistogramMax: 61, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 33 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 2798 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2192 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1118 IncrementalHoareTripleChecker+Invalid, 1130 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 606 mSDtfsCounter, 1118 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1331 GetRequests, 1019 SyntacticMatches, 7 SemanticMatches, 305 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6666 ImplicationChecksByTransitivity, 6.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=352occurred in iteration=14, InterpolantAutomatonStates: 289, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 21 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 10.5s InterpolantComputationTime, 2970 NumberOfCodeBlocks, 2900 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 3375 ConstructedInterpolants, 0 QuantifiedInterpolants, 5047 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2176 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 31 InterpolantComputations, 12 PerfectInterpolantSequences, 36207/43132 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 8 specifications checked. All of them hold - InvariantResult [Line: 43]: Location Invariant Derived location invariant: null - InvariantResult [Line: 34]: Location Invariant Derived location invariant: null - InvariantResult [Line: 20]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 03:48:24,707 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