./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/Addition03-1.c --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/recursive/Addition03-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:55:09,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:55:09,408 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:55:09,411 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:55:09,414 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:55:09,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:55:09,438 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:55:09,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:55:09,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:55:09,440 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:55:09,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:55:09,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:55:09,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:55:09,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:55:09,441 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:55:09,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:55:09,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:55:09,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:55:09,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:55:09,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:55:09,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:55:09,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:55:09,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:55:09,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:55:09,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:55:09,448 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:55:09,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:55:09,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:55:09,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:55:09,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:55:09,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:55:09,449 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:55:09,449 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:55:09,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:55:09,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2024-11-17 04:55:09,646 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:55:09,667 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:55:09,671 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:55:09,672 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:55:09,672 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:55:09,673 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition03-1.c [2024-11-17 04:55:10,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:55:10,999 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:55:10,999 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-11-17 04:55:11,005 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4500294c/3c7a140645ac4d07a5d68f417f599b5b/FLAGddda3b9a8 [2024-11-17 04:55:11,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4500294c/3c7a140645ac4d07a5d68f417f599b5b [2024-11-17 04:55:11,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:55:11,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:55:11,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:55:11,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:55:11,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:55:11,440 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,441 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262590c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11, skipping insertion in model container [2024-11-17 04:55:11,441 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:55:11,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:55:11,596 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:55:11,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:55:11,619 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:55:11,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11 WrapperNode [2024-11-17 04:55:11,620 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:55:11,620 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:55:11,621 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:55:11,621 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:55:11,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,632 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,646 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-11-17 04:55:11,647 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:55:11,648 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:55:11,648 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:55:11,648 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:55:11,655 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,655 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,672 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:55:11,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,689 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,691 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,691 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,692 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:55:11,698 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:55:11,698 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:55:11,703 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:55:11,704 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (1/1) ... [2024-11-17 04:55:11,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:55:11,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:11,758 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 04:55:11,767 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 04:55:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:55:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:55:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:55:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:55:11,797 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-17 04:55:11,797 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-17 04:55:11,846 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:55:11,848 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:55:11,985 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: havoc #t~ret5; [2024-11-17 04:55:11,985 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L20: havoc #t~ret4; [2024-11-17 04:55:11,996 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-17 04:55:11,996 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:55:12,008 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:55:12,008 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:55:12,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:55:12 BoogieIcfgContainer [2024-11-17 04:55:12,009 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:55:12,010 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:55:12,010 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:55:12,013 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:55:12,013 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:55:11" (1/3) ... [2024-11-17 04:55:12,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cacdd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:55:12, skipping insertion in model container [2024-11-17 04:55:12,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:55:11" (2/3) ... [2024-11-17 04:55:12,014 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cacdd5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:55:12, skipping insertion in model container [2024-11-17 04:55:12,014 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:55:12" (3/3) ... [2024-11-17 04:55:12,015 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2024-11-17 04:55:12,028 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:55:12,028 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 04:55:12,072 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:55:12,079 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;@2625aa9d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:55:12,079 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 04:55:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 31 states have internal predecessors, (35), 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 04:55:12,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:55:12,093 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,093 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,094 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,098 INFO L85 PathProgramCache]: Analyzing trace with hash 1408505927, now seen corresponding path program 1 times [2024-11-17 04:55:12,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909311897] [2024-11-17 04:55:12,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:12,311 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 04:55:12,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:12,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909311897] [2024-11-17 04:55:12,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909311897] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:12,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:12,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:55:12,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792579769] [2024-11-17 04:55:12,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:12,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:12,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:12,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:12,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:55:12,337 INFO L87 Difference]: Start difference. First operand has 36 states, 23 states have (on average 1.5217391304347827) internal successors, (35), 31 states have internal predecessors, (35), 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 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 04:55:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:12,433 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2024-11-17 04:55:12,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:55:12,435 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 7 [2024-11-17 04:55:12,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:12,440 INFO L225 Difference]: With dead ends: 67 [2024-11-17 04:55:12,440 INFO L226 Difference]: Without dead ends: 45 [2024-11-17 04:55:12,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:55:12,445 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 43 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:12,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 107 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:12,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-17 04:55:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2024-11-17 04:55:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 23 states have (on average 1.565217391304348) internal successors, (36), 32 states have internal predecessors, (36), 4 states have call successors, (4), 2 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-17 04:55:12,471 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 7 [2024-11-17 04:55:12,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:12,471 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-17 04:55:12,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 04:55:12,472 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-17 04:55:12,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-17 04:55:12,472 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,472 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,473 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:55:12,473 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,473 INFO L85 PathProgramCache]: Analyzing trace with hash 714010778, now seen corresponding path program 1 times [2024-11-17 04:55:12,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913476004] [2024-11-17 04:55:12,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:12,552 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 04:55:12,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:12,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913476004] [2024-11-17 04:55:12,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913476004] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:12,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:12,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:55:12,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947441235] [2024-11-17 04:55:12,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:12,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:12,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:12,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:12,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:55:12,555 INFO L87 Difference]: Start difference. First operand 35 states and 40 transitions. Second operand has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 04:55:12,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:12,605 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2024-11-17 04:55:12,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:55:12,606 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 8 [2024-11-17 04:55:12,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:12,607 INFO L225 Difference]: With dead ends: 67 [2024-11-17 04:55:12,607 INFO L226 Difference]: Without dead ends: 65 [2024-11-17 04:55:12,607 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:55:12,608 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 32 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:12,608 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 72 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:12,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-17 04:55:12,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2024-11-17 04:55:12,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.475) internal successors, (59), 48 states have internal predecessors, (59), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-11-17 04:55:12,621 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 8 [2024-11-17 04:55:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:12,621 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-11-17 04:55:12,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 04:55:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-11-17 04:55:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-17 04:55:12,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,621 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:55:12,623 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,623 INFO L85 PathProgramCache]: Analyzing trace with hash 659497637, now seen corresponding path program 1 times [2024-11-17 04:55:12,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962201680] [2024-11-17 04:55:12,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:12,657 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 04:55:12,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:12,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962201680] [2024-11-17 04:55:12,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962201680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:12,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:12,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:55:12,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421170832] [2024-11-17 04:55:12,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:12,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:55:12,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:12,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:55:12,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:55:12,659 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 04:55:12,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:12,677 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2024-11-17 04:55:12,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:55:12,680 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2024-11-17 04:55:12,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:12,681 INFO L225 Difference]: With dead ends: 53 [2024-11-17 04:55:12,681 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 04:55:12,681 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 04:55:12,682 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 31 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 04:55:12,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 31 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:12,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 04:55:12,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-17 04:55:12,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.425) internal successors, (57), 47 states have internal predecessors, (57), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:12,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2024-11-17 04:55:12,694 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 9 [2024-11-17 04:55:12,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:12,694 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2024-11-17 04:55:12,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 04:55:12,695 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2024-11-17 04:55:12,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:55:12,695 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,696 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,696 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:55:12,696 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,697 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1030409736, now seen corresponding path program 1 times [2024-11-17 04:55:12,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503269902] [2024-11-17 04:55:12,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:12,743 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 04:55:12,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:12,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503269902] [2024-11-17 04:55:12,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1503269902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:12,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:12,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:55:12,745 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499153369] [2024-11-17 04:55:12,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:12,745 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:12,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:12,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:12,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:55:12,746 INFO L87 Difference]: Start difference. First operand 52 states and 62 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 04:55:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:12,806 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-11-17 04:55:12,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:55:12,807 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2024-11-17 04:55:12,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:12,807 INFO L225 Difference]: With dead ends: 64 [2024-11-17 04:55:12,808 INFO L226 Difference]: Without dead ends: 62 [2024-11-17 04:55:12,808 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:55:12,810 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 32 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:12,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 48 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:12,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-17 04:55:12,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51. [2024-11-17 04:55:12,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.35) internal successors, (54), 46 states have internal predecessors, (54), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-11-17 04:55:12,820 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 10 [2024-11-17 04:55:12,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:12,820 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-11-17 04:55:12,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 04:55:12,820 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-11-17 04:55:12,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:55:12,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,821 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:55:12,821 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1029824839, now seen corresponding path program 1 times [2024-11-17 04:55:12,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510548498] [2024-11-17 04:55:12,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:12,881 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 04:55:12,882 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:12,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510548498] [2024-11-17 04:55:12,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510548498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:12,882 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:12,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:55:12,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89032356] [2024-11-17 04:55:12,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:12,882 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:12,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:12,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:12,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:55:12,884 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 04:55:12,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:12,946 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2024-11-17 04:55:12,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:55:12,946 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 10 [2024-11-17 04:55:12,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:12,947 INFO L225 Difference]: With dead ends: 61 [2024-11-17 04:55:12,947 INFO L226 Difference]: Without dead ends: 60 [2024-11-17 04:55:12,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:55:12,948 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 31 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:12,949 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 49 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:12,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-17 04:55:12,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2024-11-17 04:55:12,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 40 states have (on average 1.325) internal successors, (53), 46 states have internal predecessors, (53), 5 states have call successors, (5), 4 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:12,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-17 04:55:12,955 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 10 [2024-11-17 04:55:12,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:12,955 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-17 04:55:12,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 04:55:12,955 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-17 04:55:12,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:55:12,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:12,956 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:12,956 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:55:12,956 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:12,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:12,957 INFO L85 PathProgramCache]: Analyzing trace with hash 693179117, now seen corresponding path program 1 times [2024-11-17 04:55:12,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:12,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638863475] [2024-11-17 04:55:12,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:12,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:13,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638863475] [2024-11-17 04:55:13,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638863475] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:13,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [572119630] [2024-11-17 04:55:13,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:13,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:13,061 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:13,062 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 04:55:13,063 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 04:55:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:13,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:55:13,100 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:13,140 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:13,216 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:13,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [572119630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:13,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:13,216 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 04:55:13,216 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595011876] [2024-11-17 04:55:13,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:13,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:55:13,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:13,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:55:13,218 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:55:13,218 INFO L87 Difference]: Start difference. First operand 51 states and 58 transitions. Second operand has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:13,358 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2024-11-17 04:55:13,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:55:13,360 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:55:13,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:13,360 INFO L225 Difference]: With dead ends: 158 [2024-11-17 04:55:13,360 INFO L226 Difference]: Without dead ends: 156 [2024-11-17 04:55:13,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:55:13,361 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 182 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:13,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 145 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:13,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-17 04:55:13,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 118. [2024-11-17 04:55:13,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 99 states have (on average 1.303030303030303) internal successors, (129), 106 states have internal predecessors, (129), 13 states have call successors, (13), 11 states have call predecessors, (13), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 142 transitions. [2024-11-17 04:55:13,385 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 142 transitions. Word has length 16 [2024-11-17 04:55:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:13,385 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 142 transitions. [2024-11-17 04:55:13,385 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.0) internal successors, (27), 8 states have internal predecessors, (27), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2024-11-17 04:55:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:55:13,385 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:13,386 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:13,399 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 04:55:13,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:55:13,587 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:13,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:13,587 INFO L85 PathProgramCache]: Analyzing trace with hash -287421037, now seen corresponding path program 1 times [2024-11-17 04:55:13,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:13,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746241642] [2024-11-17 04:55:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:13,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:13,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:13,665 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 04:55:13,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:13,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746241642] [2024-11-17 04:55:13,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746241642] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:13,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446034014] [2024-11-17 04:55:13,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:13,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:13,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:13,667 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 04:55:13,668 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 04:55:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:13,694 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:55:13,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:13,725 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 04:55:13,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:55:13,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446034014] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:13,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:55:13,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-17 04:55:13,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417330831] [2024-11-17 04:55:13,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:13,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:13,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:13,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:13,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:55:13,727 INFO L87 Difference]: Start difference. First operand 118 states and 142 transitions. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:13,767 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-17 04:55:13,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:55:13,767 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-17 04:55:13,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:13,769 INFO L225 Difference]: With dead ends: 167 [2024-11-17 04:55:13,769 INFO L226 Difference]: Without dead ends: 106 [2024-11-17 04:55:13,769 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:55:13,770 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:13,770 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 51 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:13,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-17 04:55:13,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 77. [2024-11-17 04:55:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 65 states have (on average 1.1846153846153846) internal successors, (77), 68 states have internal predecessors, (77), 8 states have call successors, (8), 8 states have call predecessors, (8), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2024-11-17 04:55:13,783 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 16 [2024-11-17 04:55:13,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:13,783 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2024-11-17 04:55:13,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:13,783 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2024-11-17 04:55:13,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-17 04:55:13,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:13,783 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:13,796 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 04:55:13,984 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,SelfDestructingSolverStorable6 [2024-11-17 04:55:13,984 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:13,985 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:13,985 INFO L85 PathProgramCache]: Analyzing trace with hash -320116945, now seen corresponding path program 1 times [2024-11-17 04:55:13,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:13,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1160900831] [2024-11-17 04:55:13,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:13,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:14,048 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:14,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1160900831] [2024-11-17 04:55:14,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1160900831] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:14,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1865940455] [2024-11-17 04:55:14,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:14,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:14,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:14,051 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 04:55:14,053 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 04:55:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:14,079 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:55:14,080 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:14,105 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,105 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:14,166 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1865940455] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:14,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:14,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 04:55:14,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643311695] [2024-11-17 04:55:14,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:14,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:55:14,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:14,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:55:14,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:55:14,168 INFO L87 Difference]: Start difference. First operand 77 states and 85 transitions. Second operand has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:14,250 INFO L93 Difference]: Finished difference Result 179 states and 199 transitions. [2024-11-17 04:55:14,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:55:14,251 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (4), 4 states have call predecessors, (4), 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 04:55:14,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:14,252 INFO L225 Difference]: With dead ends: 179 [2024-11-17 04:55:14,252 INFO L226 Difference]: Without dead ends: 178 [2024-11-17 04:55:14,252 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:55:14,253 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 95 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:14,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 85 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:14,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-17 04:55:14,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 158. [2024-11-17 04:55:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 137 states have (on average 1.1532846715328466) internal successors, (158), 140 states have internal predecessors, (158), 17 states have call successors, (17), 17 states have call predecessors, (17), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 175 transitions. [2024-11-17 04:55:14,265 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 175 transitions. Word has length 17 [2024-11-17 04:55:14,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:14,266 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 175 transitions. [2024-11-17 04:55:14,266 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 8 states have internal predecessors, (29), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,266 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2024-11-17 04:55:14,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:55:14,266 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:14,266 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:55:14,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:55:14,467 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:14,472 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:14,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:14,472 INFO L85 PathProgramCache]: Analyzing trace with hash 425785420, now seen corresponding path program 1 times [2024-11-17 04:55:14,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:14,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909849653] [2024-11-17 04:55:14,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:14,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:14,504 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 04:55:14,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:14,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909849653] [2024-11-17 04:55:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909849653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:55:14,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:55:14,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:55:14,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799194951] [2024-11-17 04:55:14,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:55:14,505 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:55:14,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:14,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:55:14,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:55:14,506 INFO L87 Difference]: Start difference. First operand 158 states and 175 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:14,537 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2024-11-17 04:55:14,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:55:14,537 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2024-11-17 04:55:14,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:14,537 INFO L225 Difference]: With dead ends: 159 [2024-11-17 04:55:14,538 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:55:14,538 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:55:14,539 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 9 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:14,539 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 50 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:55:14,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:55:14,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-17 04:55:14,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 69 states have (on average 1.0434782608695652) internal successors, (72), 70 states have internal predecessors, (72), 9 states have call successors, (9), 9 states have call predecessors, (9), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2024-11-17 04:55:14,545 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 18 [2024-11-17 04:55:14,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:14,545 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2024-11-17 04:55:14,545 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:14,545 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2024-11-17 04:55:14,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:55:14,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:14,546 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 04:55:14,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-17 04:55:14,546 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:14,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:14,547 INFO L85 PathProgramCache]: Analyzing trace with hash -17340442, now seen corresponding path program 2 times [2024-11-17 04:55:14,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:14,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522483785] [2024-11-17 04:55:14,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:14,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:14,690 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:14,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522483785] [2024-11-17 04:55:14,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522483785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:14,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2042592979] [2024-11-17 04:55:14,701 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:55:14,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:14,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:14,702 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 04:55:14,703 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 04:55:14,735 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:55:14,736 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:14,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:55:14,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:14,800 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:14,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2042592979] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:14,956 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:14,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 04:55:14,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993077300] [2024-11-17 04:55:14,956 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:14,956 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:55:14,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:14,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:55:14,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:55:14,957 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:15,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:15,131 INFO L93 Difference]: Finished difference Result 132 states and 138 transitions. [2024-11-17 04:55:15,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:55:15,131 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 40 [2024-11-17 04:55:15,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:15,132 INFO L225 Difference]: With dead ends: 132 [2024-11-17 04:55:15,133 INFO L226 Difference]: Without dead ends: 131 [2024-11-17 04:55:15,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:55:15,134 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 216 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 108 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:15,134 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 137 Invalid, 108 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-17 04:55:15,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-17 04:55:15,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 128 states, 111 states have (on average 1.027027027027027) internal successors, (114), 112 states have internal predecessors, (114), 15 states have call successors, (15), 15 states have call predecessors, (15), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:15,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2024-11-17 04:55:15,142 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 40 [2024-11-17 04:55:15,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:15,143 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2024-11-17 04:55:15,143 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.2857142857142856) internal successors, (69), 14 states have internal predecessors, (69), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:15,143 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2024-11-17 04:55:15,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:55:15,144 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:15,144 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 04:55:15,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:55:15,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:15,345 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:15,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:15,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1670363141, now seen corresponding path program 2 times [2024-11-17 04:55:15,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:15,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752837197] [2024-11-17 04:55:15,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:15,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:15,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:15,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:15,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752837197] [2024-11-17 04:55:15,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752837197] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:15,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477431397] [2024-11-17 04:55:15,497 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:55:15,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:15,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:15,500 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 04:55:15,501 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 04:55:15,537 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:55:15,537 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:15,538 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:55:15,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:15,611 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:15,611 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:15,813 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:15,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477431397] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:15,813 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:15,813 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 04:55:15,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952818347] [2024-11-17 04:55:15,814 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:15,814 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:55:15,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:15,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:55:15,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:55:15,815 INFO L87 Difference]: Start difference. First operand 128 states and 129 transitions. Second operand has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:16,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:16,015 INFO L93 Difference]: Finished difference Result 187 states and 193 transitions. [2024-11-17 04:55:16,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:55:16,016 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44 [2024-11-17 04:55:16,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:16,017 INFO L225 Difference]: With dead ends: 187 [2024-11-17 04:55:16,017 INFO L226 Difference]: Without dead ends: 186 [2024-11-17 04:55:16,017 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:55:16,018 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 194 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:16,018 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 156 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:16,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-17 04:55:16,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 182. [2024-11-17 04:55:16,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.0188679245283019) internal successors, (162), 160 states have internal predecessors, (162), 21 states have call successors, (21), 21 states have call predecessors, (21), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:16,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 183 transitions. [2024-11-17 04:55:16,041 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 183 transitions. Word has length 44 [2024-11-17 04:55:16,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:16,042 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 183 transitions. [2024-11-17 04:55:16,042 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 3.6666666666666665) internal successors, (77), 14 states have internal predecessors, (77), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 183 transitions. [2024-11-17 04:55:16,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:55:16,044 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:16,044 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 04:55:16,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:55:16,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 04:55:16,245 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:16,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:16,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1813921576, now seen corresponding path program 3 times [2024-11-17 04:55:16,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:16,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994388574] [2024-11-17 04:55:16,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:16,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:16,614 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:16,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:16,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994388574] [2024-11-17 04:55:16,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994388574] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:16,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483259013] [2024-11-17 04:55:16,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:55:16,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:16,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:16,617 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 04:55:16,631 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 04:55:16,677 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 04:55:16,677 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:16,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:55:16,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:16,771 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:16,771 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:17,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483259013] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:17,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:17,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 04:55:17,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900940906] [2024-11-17 04:55:17,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:17,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 04:55:17,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:17,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 04:55:17,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:55:17,261 INFO L87 Difference]: Start difference. First operand 182 states and 183 transitions. Second operand has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:17,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:17,739 INFO L93 Difference]: Finished difference Result 282 states and 294 transitions. [2024-11-17 04:55:17,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 04:55:17,739 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 88 [2024-11-17 04:55:17,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:17,740 INFO L225 Difference]: With dead ends: 282 [2024-11-17 04:55:17,741 INFO L226 Difference]: Without dead ends: 281 [2024-11-17 04:55:17,742 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-17 04:55:17,742 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 508 mSDsluCounter, 208 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:17,742 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 222 Invalid, 182 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:17,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-17 04:55:17,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 278. [2024-11-17 04:55:17,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 243 states have (on average 1.0123456790123457) internal successors, (246), 244 states have internal predecessors, (246), 33 states have call successors, (33), 33 states have call predecessors, (33), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:17,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 279 transitions. [2024-11-17 04:55:17,781 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 279 transitions. Word has length 88 [2024-11-17 04:55:17,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:17,782 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 279 transitions. [2024-11-17 04:55:17,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.4) internal successors, (153), 26 states have internal predecessors, (153), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:17,782 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 279 transitions. [2024-11-17 04:55:17,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:55:17,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:17,786 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 04:55:17,799 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:55:17,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:17,987 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:17,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:17,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1170347899, now seen corresponding path program 3 times [2024-11-17 04:55:17,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:17,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60112995] [2024-11-17 04:55:17,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:17,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:18,393 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:18,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:18,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [60112995] [2024-11-17 04:55:18,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [60112995] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:18,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251028926] [2024-11-17 04:55:18,393 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:55:18,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:18,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:18,397 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 04:55:18,398 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 04:55:18,441 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 04:55:18,441 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:18,443 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:55:18,444 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:18,550 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:18,550 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:19,026 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:19,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1251028926] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:19,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:19,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 04:55:19,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398350282] [2024-11-17 04:55:19,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:19,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 04:55:19,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:19,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 04:55:19,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:55:19,029 INFO L87 Difference]: Start difference. First operand 278 states and 279 transitions. Second operand has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:19,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:19,504 INFO L93 Difference]: Finished difference Result 391 states and 403 transitions. [2024-11-17 04:55:19,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-17 04:55:19,504 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 98 [2024-11-17 04:55:19,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:19,506 INFO L225 Difference]: With dead ends: 391 [2024-11-17 04:55:19,506 INFO L226 Difference]: Without dead ends: 390 [2024-11-17 04:55:19,507 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-17 04:55:19,508 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 563 mSDsluCounter, 257 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:19,508 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 271 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:55:19,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-17 04:55:19,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2024-11-17 04:55:19,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 339 states have (on average 1.008849557522124) internal successors, (342), 340 states have internal predecessors, (342), 45 states have call successors, (45), 45 states have call predecessors, (45), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:19,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 387 transitions. [2024-11-17 04:55:19,522 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 387 transitions. Word has length 98 [2024-11-17 04:55:19,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:19,523 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 387 transitions. [2024-11-17 04:55:19,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 3.8444444444444446) internal successors, (173), 26 states have internal predecessors, (173), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:19,524 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 387 transitions. [2024-11-17 04:55:19,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-17 04:55:19,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:19,527 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-17 04:55:19,539 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:55:19,727 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:19,728 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:19,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:19,728 INFO L85 PathProgramCache]: Analyzing trace with hash -70701380, now seen corresponding path program 4 times [2024-11-17 04:55:19,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:19,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032998735] [2024-11-17 04:55:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:19,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:20,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:20,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032998735] [2024-11-17 04:55:20,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032998735] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:20,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324817630] [2024-11-17 04:55:20,848 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:55:20,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:20,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:20,849 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 04:55:20,850 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 04:55:20,912 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:55:20,912 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:20,914 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 04:55:20,917 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:21,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:21,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:22,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:22,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324817630] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:22,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:22,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-17 04:55:22,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962399751] [2024-11-17 04:55:22,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:22,600 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-17 04:55:22,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:22,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-17 04:55:22,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 04:55:22,603 INFO L87 Difference]: Start difference. First operand 386 states and 387 transitions. Second operand has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:23,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:23,941 INFO L93 Difference]: Finished difference Result 582 states and 606 transitions. [2024-11-17 04:55:23,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-17 04:55:23,942 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 184 [2024-11-17 04:55:23,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:23,944 INFO L225 Difference]: With dead ends: 582 [2024-11-17 04:55:23,944 INFO L226 Difference]: Without dead ends: 581 [2024-11-17 04:55:23,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-11-17 04:55:23,948 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1104 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1104 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 349 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:23,948 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1104 Valid, 414 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 349 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:55:23,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-17 04:55:23,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 578. [2024-11-17 04:55:23,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 578 states, 507 states have (on average 1.0059171597633136) internal successors, (510), 508 states have internal predecessors, (510), 69 states have call successors, (69), 69 states have call predecessors, (69), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:23,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 579 transitions. [2024-11-17 04:55:23,969 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 579 transitions. Word has length 184 [2024-11-17 04:55:23,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:23,969 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 579 transitions. [2024-11-17 04:55:23,969 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.4516129032258065) internal successors, (321), 50 states have internal predecessors, (321), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:23,969 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 579 transitions. [2024-11-17 04:55:23,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-17 04:55:23,971 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:23,971 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-17 04:55:23,985 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 04:55:24,175 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,SelfDestructingSolverStorable13 [2024-11-17 04:55:24,176 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:24,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:24,176 INFO L85 PathProgramCache]: Analyzing trace with hash 413783675, now seen corresponding path program 4 times [2024-11-17 04:55:24,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:24,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839655188] [2024-11-17 04:55:24,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:24,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:25,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:25,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:25,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839655188] [2024-11-17 04:55:25,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [839655188] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:25,248 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490373807] [2024-11-17 04:55:25,248 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:55:25,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:25,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:25,249 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 04:55:25,250 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 04:55:25,309 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:55:25,309 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:25,311 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-17 04:55:25,325 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:25,505 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:26,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:26,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1490373807] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:26,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:26,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-17 04:55:26,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587605069] [2024-11-17 04:55:26,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:26,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-17 04:55:26,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:26,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-17 04:55:26,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-17 04:55:26,952 INFO L87 Difference]: Start difference. First operand 578 states and 579 transitions. Second operand has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:28,504 INFO L93 Difference]: Finished difference Result 799 states and 823 transitions. [2024-11-17 04:55:28,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-17 04:55:28,505 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 206 [2024-11-17 04:55:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:28,507 INFO L225 Difference]: With dead ends: 799 [2024-11-17 04:55:28,508 INFO L226 Difference]: Without dead ends: 798 [2024-11-17 04:55:28,511 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-11-17 04:55:28,512 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1280 mSDsluCounter, 512 mSDsCounter, 0 mSdLazyCounter, 365 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1280 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:28,512 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1280 Valid, 526 Invalid, 371 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 365 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:55:28,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-17 04:55:28,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 794. [2024-11-17 04:55:28,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 794 states, 699 states have (on average 1.0042918454935623) internal successors, (702), 700 states have internal predecessors, (702), 93 states have call successors, (93), 93 states have call predecessors, (93), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:28,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 795 transitions. [2024-11-17 04:55:28,560 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 795 transitions. Word has length 206 [2024-11-17 04:55:28,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:28,561 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 795 transitions. [2024-11-17 04:55:28,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 3.924731182795699) internal successors, (365), 50 states have internal predecessors, (365), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:28,561 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 795 transitions. [2024-11-17 04:55:28,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-17 04:55:28,565 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:28,565 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2024-11-17 04:55:28,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:55:28,769 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,SelfDestructingSolverStorable14 [2024-11-17 04:55:28,770 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:28,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:28,770 INFO L85 PathProgramCache]: Analyzing trace with hash 683866756, now seen corresponding path program 5 times [2024-11-17 04:55:28,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:28,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132931128] [2024-11-17 04:55:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:28,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:32,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:32,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:32,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132931128] [2024-11-17 04:55:32,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132931128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:32,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936159399] [2024-11-17 04:55:32,267 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:55:32,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:32,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:32,268 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:55:32,270 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:55:32,416 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-17 04:55:32,416 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:32,420 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-17 04:55:32,425 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:32,757 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:38,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:38,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936159399] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:38,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:38,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-17 04:55:38,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966217099] [2024-11-17 04:55:38,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:38,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-17 04:55:38,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:38,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-17 04:55:38,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-11-17 04:55:38,051 INFO L87 Difference]: Start difference. First operand 794 states and 795 transitions. Second operand has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:44,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:55:44,261 INFO L93 Difference]: Finished difference Result 1182 states and 1230 transitions. [2024-11-17 04:55:44,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-17 04:55:44,262 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2024-11-17 04:55:44,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:55:44,265 INFO L225 Difference]: With dead ends: 1182 [2024-11-17 04:55:44,265 INFO L226 Difference]: Without dead ends: 1181 [2024-11-17 04:55:44,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-11-17 04:55:44,271 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2495 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2495 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:55:44,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2495 Valid, 827 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 705 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:55:44,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2024-11-17 04:55:44,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1178. [2024-11-17 04:55:44,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1178 states, 1035 states have (on average 1.0028985507246377) internal successors, (1038), 1036 states have internal predecessors, (1038), 141 states have call successors, (141), 141 states have call predecessors, (141), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1179 transitions. [2024-11-17 04:55:44,332 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1179 transitions. Word has length 376 [2024-11-17 04:55:44,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:55:44,334 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1179 transitions. [2024-11-17 04:55:44,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.4761904761904763) internal successors, (657), 98 states have internal predecessors, (657), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:55:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1179 transitions. [2024-11-17 04:55:44,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-17 04:55:44,339 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:55:44,339 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2024-11-17 04:55:44,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-17 04:55:44,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-11-17 04:55:44,539 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:55:44,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:55:44,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1951804293, now seen corresponding path program 5 times [2024-11-17 04:55:44,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:55:44,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483975542] [2024-11-17 04:55:44,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:55:44,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:55:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:55:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:48,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:55:48,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483975542] [2024-11-17 04:55:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483975542] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:55:48,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598878483] [2024-11-17 04:55:48,125 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:55:48,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:55:48,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:55:48,126 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:55:48,126 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:55:48,281 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-17 04:55:48,281 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:55:48,285 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-17 04:55:48,293 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:55:48,633 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:48,634 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:55:54,102 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:55:54,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598878483] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:55:54,102 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:55:54,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-17 04:55:54,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940470981] [2024-11-17 04:55:54,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:55:54,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-17 04:55:54,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:55:54,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-17 04:55:54,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-11-17 04:55:54,108 INFO L87 Difference]: Start difference. First operand 1178 states and 1179 transitions. Second operand has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:00,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:56:00,591 INFO L93 Difference]: Finished difference Result 1615 states and 1663 transitions. [2024-11-17 04:56:00,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-17 04:56:00,592 INFO L78 Accepts]: Start accepts. Automaton has has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 422 [2024-11-17 04:56:00,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:56:00,596 INFO L225 Difference]: With dead ends: 1615 [2024-11-17 04:56:00,596 INFO L226 Difference]: Without dead ends: 1614 [2024-11-17 04:56:00,599 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-11-17 04:56:00,599 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3515 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3515 SdHoareTripleChecker+Valid, 997 SdHoareTripleChecker+Invalid, 705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 697 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:56:00,600 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3515 Valid, 997 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:56:00,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-17 04:56:00,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1610. [2024-11-17 04:56:00,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1610 states, 1419 states have (on average 1.0021141649048626) internal successors, (1422), 1420 states have internal predecessors, (1422), 189 states have call successors, (189), 189 states have call predecessors, (189), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:00,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1611 transitions. [2024-11-17 04:56:00,654 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1611 transitions. Word has length 422 [2024-11-17 04:56:00,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:56:00,655 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 1611 transitions. [2024-11-17 04:56:00,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 192 states, 189 states have (on average 3.962962962962963) internal successors, (749), 98 states have internal predecessors, (749), 94 states have call successors, (94), 94 states have call predecessors, (94), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:56:00,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1611 transitions. [2024-11-17 04:56:00,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2024-11-17 04:56:00,667 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:56:00,668 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1] [2024-11-17 04:56:00,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:56:00,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-17 04:56:00,868 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 04:56:00,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:56:00,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1637723628, now seen corresponding path program 6 times [2024-11-17 04:56:00,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:56:00,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245810759] [2024-11-17 04:56:00,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:56:00,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:56:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:56:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:16,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:56:16,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245810759] [2024-11-17 04:56:16,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245810759] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:56:16,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506382199] [2024-11-17 04:56:16,161 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:56:16,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:56:16,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:56:16,163 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:56:16,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:56:16,496 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-17 04:56:16,496 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:56:16,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-17 04:56:16,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:56:17,094 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:17,094 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:56:36,982 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:56:36,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506382199] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:56:36,982 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:56:36,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [192, 192, 192] total 383 [2024-11-17 04:56:36,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034493793] [2024-11-17 04:56:36,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:56:36,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 384 states [2024-11-17 04:56:36,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:56:36,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 384 interpolants. [2024-11-17 04:56:36,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36676, Invalid=110396, Unknown=0, NotChecked=0, Total=147072 [2024-11-17 04:56:36,999 INFO L87 Difference]: Start difference. First operand 1610 states and 1611 transitions. Second operand has 384 states, 381 states have (on average 3.4881889763779528) internal successors, (1329), 194 states have internal predecessors, (1329), 190 states have call successors, (190), 190 states have call predecessors, (190), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)