./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 023d838f 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-023d838-m [2024-11-10 19:36:18,371 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 19:36:18,439 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-10 19:36:18,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 19:36:18,446 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 19:36:18,477 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 19:36:18,478 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 19:36:18,479 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 19:36:18,480 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 19:36:18,481 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 19:36:18,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 19:36:18,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 19:36:18,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 19:36:18,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 19:36:18,484 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 19:36:18,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 19:36:18,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 19:36:18,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-10 19:36:18,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 19:36:18,486 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-10 19:36:18,486 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 19:36:18,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 19:36:18,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 19:36:18,491 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 19:36:18,491 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 19:36:18,491 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 19:36:18,491 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 19:36:18,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-10 19:36:18,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 19:36:18,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 19:36:18,492 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 19:36:18,492 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 19:36:18,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 19:36:18,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 19:36:18,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:36:18,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 19:36:18,495 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 19:36:18,495 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 19:36:18,496 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 19:36:18,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 19:36:18,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 19:36:18,496 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 19:36:18,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 19:36:18,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 19:36:18,497 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b4726bd085117d6d28f7ec87f442bbec9d0d87c17bc39b8147695c8c5a6ec7b [2024-11-10 19:36:18,745 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 19:36:18,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 19:36:18,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 19:36:18,778 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 19:36:18,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 19:36:18,780 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition03-1.c [2024-11-10 19:36:20,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 19:36:20,436 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 19:36:20,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition03-1.c [2024-11-10 19:36:20,445 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eca0e270/2b8741575d4b4930bfe0b7ee52ad9949/FLAG5fc63ec0e [2024-11-10 19:36:20,462 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eca0e270/2b8741575d4b4930bfe0b7ee52ad9949 [2024-11-10 19:36:20,464 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 19:36:20,466 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 19:36:20,469 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 19:36:20,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 19:36:20,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 19:36:20,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,477 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69174f24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20, skipping insertion in model container [2024-11-10 19:36:20,477 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,497 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 19:36:20,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:36:20,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 19:36:20,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 19:36:20,728 INFO L204 MainTranslator]: Completed translation [2024-11-10 19:36:20,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20 WrapperNode [2024-11-10 19:36:20,729 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 19:36:20,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 19:36:20,730 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 19:36:20,730 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 19:36:20,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,743 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,758 INFO L138 Inliner]: procedures = 13, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 28 [2024-11-10 19:36:20,758 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 19:36:20,759 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 19:36:20,759 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 19:36:20,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 19:36:20,769 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,789 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]. [2024-11-10 19:36:20,789 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,789 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,793 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,793 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,794 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,795 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 19:36:20,801 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 19:36:20,801 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 19:36:20,801 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 19:36:20,802 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (1/1) ... [2024-11-10 19:36:20,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 19:36:20,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:20,840 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) [2024-11-10 19:36:20,843 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 [2024-11-10 19:36:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 19:36:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 19:36:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 19:36:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 19:36:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2024-11-10 19:36:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2024-11-10 19:36:20,957 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 19:36:20,959 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 19:36:21,106 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L23: havoc #t~ret5; [2024-11-10 19:36:21,106 INFO L1247 $ProcedureCfgBuilder]: dead code at ProgramPoint L20: havoc #t~ret4; [2024-11-10 19:36:21,125 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-10 19:36:21,125 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 19:36:21,138 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 19:36:21,139 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 19:36:21,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:36:21 BoogieIcfgContainer [2024-11-10 19:36:21,140 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 19:36:21,143 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 19:36:21,144 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 19:36:21,148 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 19:36:21,148 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:36:20" (1/3) ... [2024-11-10 19:36:21,149 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631cb72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:36:21, skipping insertion in model container [2024-11-10 19:36:21,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:36:20" (2/3) ... [2024-11-10 19:36:21,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631cb72a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:36:21, skipping insertion in model container [2024-11-10 19:36:21,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 07:36:21" (3/3) ... [2024-11-10 19:36:21,152 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition03-1.c [2024-11-10 19:36:21,169 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 19:36:21,170 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-10 19:36:21,245 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 19:36:21,254 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;@9a0627a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 19:36:21,255 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-10 19:36:21,260 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) [2024-11-10 19:36:21,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-10 19:36:21,267 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:21,268 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:21,269 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:21,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:21,274 INFO L85 PathProgramCache]: Analyzing trace with hash 1408505927, now seen corresponding path program 1 times [2024-11-10 19:36:21,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:21,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261746886] [2024-11-10 19:36:21,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:21,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:21,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:21,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:21,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261746886] [2024-11-10 19:36:21,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261746886] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:21,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:21,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:36:21,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786487295] [2024-11-10 19:36:21,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:21,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:21,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:21,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:21,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:36:21,679 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) [2024-11-10 19:36:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:21,840 INFO L93 Difference]: Finished difference Result 67 states and 76 transitions. [2024-11-10 19:36:21,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:36:21,843 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 [2024-11-10 19:36:21,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:21,851 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:36:21,851 INFO L226 Difference]: Without dead ends: 45 [2024-11-10 19:36:21,855 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 [2024-11-10 19:36:21,859 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 43 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 [2024-11-10 19:36:21,860 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] [2024-11-10 19:36:21,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-10 19:36:21,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 35. [2024-11-10 19:36:21,893 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) [2024-11-10 19:36:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 40 transitions. [2024-11-10 19:36:21,896 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 40 transitions. Word has length 7 [2024-11-10 19:36:21,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:21,897 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 40 transitions. [2024-11-10 19:36:21,897 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) [2024-11-10 19:36:21,897 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 40 transitions. [2024-11-10 19:36:21,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-10 19:36:21,898 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:21,898 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:21,899 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 19:36:21,899 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:21,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:21,900 INFO L85 PathProgramCache]: Analyzing trace with hash 714010778, now seen corresponding path program 1 times [2024-11-10 19:36:21,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:21,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259816730] [2024-11-10 19:36:21,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:21,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:21,976 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:21,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:21,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259816730] [2024-11-10 19:36:21,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259816730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:21,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:21,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:36:21,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873010518] [2024-11-10 19:36:21,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:21,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:21,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:21,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:36:21,981 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) [2024-11-10 19:36:22,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:22,035 INFO L93 Difference]: Finished difference Result 67 states and 77 transitions. [2024-11-10 19:36:22,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 19:36:22,036 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 [2024-11-10 19:36:22,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:22,038 INFO L225 Difference]: With dead ends: 67 [2024-11-10 19:36:22,038 INFO L226 Difference]: Without dead ends: 65 [2024-11-10 19:36:22,040 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 [2024-11-10 19:36:22,041 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 [2024-11-10 19:36:22,042 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] [2024-11-10 19:36:22,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-10 19:36:22,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 53. [2024-11-10 19:36:22,053 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) [2024-11-10 19:36:22,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-11-10 19:36:22,054 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 8 [2024-11-10 19:36:22,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:22,055 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-11-10 19:36:22,055 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) [2024-11-10 19:36:22,056 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-11-10 19:36:22,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-10 19:36:22,057 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:22,057 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:22,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 19:36:22,058 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:22,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:22,059 INFO L85 PathProgramCache]: Analyzing trace with hash 659497637, now seen corresponding path program 1 times [2024-11-10 19:36:22,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:22,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744278536] [2024-11-10 19:36:22,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:22,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:22,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:22,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744278536] [2024-11-10 19:36:22,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744278536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:22,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:22,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-10 19:36:22,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311101729] [2024-11-10 19:36:22,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:22,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 19:36:22,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:22,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 19:36:22,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 19:36:22,108 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) [2024-11-10 19:36:22,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:22,132 INFO L93 Difference]: Finished difference Result 53 states and 64 transitions. [2024-11-10 19:36:22,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 19:36:22,133 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 [2024-11-10 19:36:22,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:22,134 INFO L225 Difference]: With dead ends: 53 [2024-11-10 19:36:22,134 INFO L226 Difference]: Without dead ends: 52 [2024-11-10 19:36:22,134 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 [2024-11-10 19:36:22,136 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 [2024-11-10 19:36:22,136 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] [2024-11-10 19:36:22,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-10 19:36:22,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-10 19:36:22,143 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) [2024-11-10 19:36:22,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 62 transitions. [2024-11-10 19:36:22,145 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 62 transitions. Word has length 9 [2024-11-10 19:36:22,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:22,145 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 62 transitions. [2024-11-10 19:36:22,145 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) [2024-11-10 19:36:22,145 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 62 transitions. [2024-11-10 19:36:22,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:36:22,146 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:22,146 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:22,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 19:36:22,147 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:22,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:22,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1030409736, now seen corresponding path program 1 times [2024-11-10 19:36:22,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:22,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325498175] [2024-11-10 19:36:22,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:22,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:22,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:22,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325498175] [2024-11-10 19:36:22,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325498175] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:22,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:22,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:36:22,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532253234] [2024-11-10 19:36:22,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:22,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:22,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:22,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:22,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:36:22,229 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) [2024-11-10 19:36:22,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:22,305 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2024-11-10 19:36:22,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:36:22,306 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 [2024-11-10 19:36:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:22,314 INFO L225 Difference]: With dead ends: 64 [2024-11-10 19:36:22,314 INFO L226 Difference]: Without dead ends: 62 [2024-11-10 19:36:22,315 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 [2024-11-10 19:36:22,316 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 19:36:22,316 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 48 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 19:36:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-10 19:36:22,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 51. [2024-11-10 19:36:22,329 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) [2024-11-10 19:36:22,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2024-11-10 19:36:22,334 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 10 [2024-11-10 19:36:22,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:22,334 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2024-11-10 19:36:22,334 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) [2024-11-10 19:36:22,334 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2024-11-10 19:36:22,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-10 19:36:22,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:22,335 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:22,335 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-10 19:36:22,335 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:22,336 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:22,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1029824839, now seen corresponding path program 1 times [2024-11-10 19:36:22,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:22,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218093634] [2024-11-10 19:36:22,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:22,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:22,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:22,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218093634] [2024-11-10 19:36:22,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218093634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:22,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:22,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:36:22,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126772999] [2024-11-10 19:36:22,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:22,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:22,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:22,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:22,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:36:22,396 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) [2024-11-10 19:36:22,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:22,455 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2024-11-10 19:36:22,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:36:22,456 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 [2024-11-10 19:36:22,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:22,457 INFO L225 Difference]: With dead ends: 61 [2024-11-10 19:36:22,457 INFO L226 Difference]: Without dead ends: 60 [2024-11-10 19:36:22,458 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 [2024-11-10 19:36:22,460 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 [2024-11-10 19:36:22,464 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] [2024-11-10 19:36:22,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-10 19:36:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 51. [2024-11-10 19:36:22,474 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) [2024-11-10 19:36:22,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 58 transitions. [2024-11-10 19:36:22,478 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 58 transitions. Word has length 10 [2024-11-10 19:36:22,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:22,479 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 58 transitions. [2024-11-10 19:36:22,479 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) [2024-11-10 19:36:22,479 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 58 transitions. [2024-11-10 19:36:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:36:22,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:22,479 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:22,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 19:36:22,480 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:22,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:22,480 INFO L85 PathProgramCache]: Analyzing trace with hash 693179117, now seen corresponding path program 1 times [2024-11-10 19:36:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:22,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [272441013] [2024-11-10 19:36:22,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:22,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:22,575 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:22,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [272441013] [2024-11-10 19:36:22,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [272441013] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:22,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [303908517] [2024-11-10 19:36:22,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:22,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:22,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:22,580 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) [2024-11-10 19:36:22,582 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-10 19:36:22,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:22,632 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:36:22,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,701 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:22,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [303908517] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:22,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:22,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 19:36:22,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [940256823] [2024-11-10 19:36:22,784 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:22,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:36:22,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:22,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:36:22,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:36:22,788 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) [2024-11-10 19:36:22,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:22,931 INFO L93 Difference]: Finished difference Result 158 states and 181 transitions. [2024-11-10 19:36:22,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:36:22,933 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 [2024-11-10 19:36:22,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:22,934 INFO L225 Difference]: With dead ends: 158 [2024-11-10 19:36:22,935 INFO L226 Difference]: Without dead ends: 156 [2024-11-10 19:36:22,935 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 [2024-11-10 19:36:22,936 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 [2024-11-10 19:36:22,936 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] [2024-11-10 19:36:22,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-10 19:36:22,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 118. [2024-11-10 19:36:22,956 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) [2024-11-10 19:36:22,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 142 transitions. [2024-11-10 19:36:22,958 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 142 transitions. Word has length 16 [2024-11-10 19:36:22,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:22,958 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 142 transitions. [2024-11-10 19:36:22,958 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) [2024-11-10 19:36:22,959 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 142 transitions. [2024-11-10 19:36:22,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 19:36:22,960 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:22,960 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:22,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-10 19:36:23,160 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 [2024-11-10 19:36:23,161 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:23,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:23,161 INFO L85 PathProgramCache]: Analyzing trace with hash -287421037, now seen corresponding path program 1 times [2024-11-10 19:36:23,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:23,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457386960] [2024-11-10 19:36:23,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:23,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:23,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:23,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:23,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457386960] [2024-11-10 19:36:23,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1457386960] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:23,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458947854] [2024-11-10 19:36:23,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:23,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:23,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:23,287 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) [2024-11-10 19:36:23,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-10 19:36:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:23,336 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 19:36:23,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:23,440 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 19:36:23,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458947854] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:23,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 19:36:23,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-10 19:36:23,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806108072] [2024-11-10 19:36:23,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:23,443 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:23,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:23,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:23,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-10 19:36:23,444 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) [2024-11-10 19:36:23,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:23,514 INFO L93 Difference]: Finished difference Result 167 states and 199 transitions. [2024-11-10 19:36:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 19:36:23,516 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 [2024-11-10 19:36:23,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:23,518 INFO L225 Difference]: With dead ends: 167 [2024-11-10 19:36:23,518 INFO L226 Difference]: Without dead ends: 106 [2024-11-10 19:36:23,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:36:23,519 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 [2024-11-10 19:36:23,521 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] [2024-11-10 19:36:23,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-10 19:36:23,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 77. [2024-11-10 19:36:23,539 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) [2024-11-10 19:36:23,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 85 transitions. [2024-11-10 19:36:23,541 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 85 transitions. Word has length 16 [2024-11-10 19:36:23,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:23,544 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 85 transitions. [2024-11-10 19:36:23,544 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) [2024-11-10 19:36:23,545 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 85 transitions. [2024-11-10 19:36:23,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 19:36:23,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:23,545 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:23,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-10 19:36:23,746 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 [2024-11-10 19:36:23,746 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:23,747 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:23,747 INFO L85 PathProgramCache]: Analyzing trace with hash -320116945, now seen corresponding path program 1 times [2024-11-10 19:36:23,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:23,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979523447] [2024-11-10 19:36:23,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:23,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:23,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:23,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:23,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979523447] [2024-11-10 19:36:23,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979523447] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:23,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826064443] [2024-11-10 19:36:23,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:23,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:23,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:23,820 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) [2024-11-10 19:36:23,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-10 19:36:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:23,865 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 19:36:23,866 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:23,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:23,930 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:24,040 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:24,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [826064443] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:24,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:24,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-10 19:36:24,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746434965] [2024-11-10 19:36:24,041 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:24,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 19:36:24,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:24,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 19:36:24,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-10 19:36:24,042 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) [2024-11-10 19:36:24,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:24,145 INFO L93 Difference]: Finished difference Result 179 states and 199 transitions. [2024-11-10 19:36:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-10 19:36:24,147 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 [2024-11-10 19:36:24,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:24,149 INFO L225 Difference]: With dead ends: 179 [2024-11-10 19:36:24,149 INFO L226 Difference]: Without dead ends: 178 [2024-11-10 19:36:24,149 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 [2024-11-10 19:36:24,150 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 [2024-11-10 19:36:24,151 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] [2024-11-10 19:36:24,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-11-10 19:36:24,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 158. [2024-11-10 19:36:24,179 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) [2024-11-10 19:36:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 175 transitions. [2024-11-10 19:36:24,182 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 175 transitions. Word has length 17 [2024-11-10 19:36:24,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:24,182 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 175 transitions. [2024-11-10 19:36:24,182 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) [2024-11-10 19:36:24,182 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2024-11-10 19:36:24,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-10 19:36:24,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:24,183 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 19:36:24,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-10 19:36:24,387 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 [2024-11-10 19:36:24,388 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:24,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:24,389 INFO L85 PathProgramCache]: Analyzing trace with hash 425785420, now seen corresponding path program 1 times [2024-11-10 19:36:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:24,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714474454] [2024-11-10 19:36:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:24,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:24,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:24,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:24,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714474454] [2024-11-10 19:36:24,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714474454] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 19:36:24,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 19:36:24,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 19:36:24,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758674414] [2024-11-10 19:36:24,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 19:36:24,460 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 19:36:24,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:24,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 19:36:24,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 19:36:24,461 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) [2024-11-10 19:36:24,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:24,509 INFO L93 Difference]: Finished difference Result 159 states and 175 transitions. [2024-11-10 19:36:24,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 19:36:24,510 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 [2024-11-10 19:36:24,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:24,511 INFO L225 Difference]: With dead ends: 159 [2024-11-10 19:36:24,511 INFO L226 Difference]: Without dead ends: 80 [2024-11-10 19:36:24,512 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 [2024-11-10 19:36:24,513 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 [2024-11-10 19:36:24,514 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] [2024-11-10 19:36:24,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-10 19:36:24,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-10 19:36:24,526 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) [2024-11-10 19:36:24,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2024-11-10 19:36:24,527 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 18 [2024-11-10 19:36:24,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:24,528 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2024-11-10 19:36:24,528 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) [2024-11-10 19:36:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2024-11-10 19:36:24,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-10 19:36:24,529 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:24,529 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 19:36:24,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-10 19:36:24,529 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:24,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:24,530 INFO L85 PathProgramCache]: Analyzing trace with hash -17340442, now seen corresponding path program 2 times [2024-11-10 19:36:24,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:24,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636510487] [2024-11-10 19:36:24,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:24,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:24,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:24,756 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:24,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:24,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636510487] [2024-11-10 19:36:24,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [636510487] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:24,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1447600593] [2024-11-10 19:36:24,757 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:36:24,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:24,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:24,760 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) [2024-11-10 19:36:24,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-10 19:36:24,803 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:36:24,804 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:24,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:36:24,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:24,864 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:25,068 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:25,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1447600593] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:25,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:25,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 19:36:25,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736837595] [2024-11-10 19:36:25,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:25,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:36:25,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:25,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:36:25,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:36:25,070 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) [2024-11-10 19:36:25,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:25,288 INFO L93 Difference]: Finished difference Result 132 states and 138 transitions. [2024-11-10 19:36:25,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:36:25,289 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 [2024-11-10 19:36:25,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:25,290 INFO L225 Difference]: With dead ends: 132 [2024-11-10 19:36:25,290 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 19:36:25,291 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 [2024-11-10 19:36:25,291 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 [2024-11-10 19:36:25,292 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] [2024-11-10 19:36:25,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 19:36:25,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 128. [2024-11-10 19:36:25,305 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) [2024-11-10 19:36:25,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2024-11-10 19:36:25,306 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 40 [2024-11-10 19:36:25,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:25,308 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2024-11-10 19:36:25,308 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) [2024-11-10 19:36:25,308 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2024-11-10 19:36:25,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-10 19:36:25,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:25,311 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1] [2024-11-10 19:36:25,328 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-10 19:36:25,511 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 [2024-11-10 19:36:25,512 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:25,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:25,513 INFO L85 PathProgramCache]: Analyzing trace with hash -1670363141, now seen corresponding path program 2 times [2024-11-10 19:36:25,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:25,513 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24776479] [2024-11-10 19:36:25,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:25,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:25,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:25,695 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:25,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24776479] [2024-11-10 19:36:25,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24776479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:25,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [865132478] [2024-11-10 19:36:25,696 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 19:36:25,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:25,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:25,702 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) [2024-11-10 19:36:25,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-10 19:36:25,748 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 19:36:25,749 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:25,749 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 19:36:25,751 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:25,827 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:25,827 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:26,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [865132478] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:26,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:26,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-10 19:36:26,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255804128] [2024-11-10 19:36:26,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:26,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-10 19:36:26,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:26,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-10 19:36:26,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-10 19:36:26,055 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) [2024-11-10 19:36:26,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:26,307 INFO L93 Difference]: Finished difference Result 187 states and 193 transitions. [2024-11-10 19:36:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-10 19:36:26,307 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 [2024-11-10 19:36:26,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:26,309 INFO L225 Difference]: With dead ends: 187 [2024-11-10 19:36:26,309 INFO L226 Difference]: Without dead ends: 186 [2024-11-10 19:36:26,310 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-10 19:36:26,310 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 [2024-11-10 19:36:26,310 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] [2024-11-10 19:36:26,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-10 19:36:26,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 182. [2024-11-10 19:36:26,322 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) [2024-11-10 19:36:26,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 183 transitions. [2024-11-10 19:36:26,323 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 183 transitions. Word has length 44 [2024-11-10 19:36:26,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:26,324 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 183 transitions. [2024-11-10 19:36:26,324 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) [2024-11-10 19:36:26,324 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 183 transitions. [2024-11-10 19:36:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-10 19:36:26,326 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:26,326 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 19:36:26,344 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-10 19:36:26,527 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 [2024-11-10 19:36:26,527 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:26,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:26,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1813921576, now seen corresponding path program 3 times [2024-11-10 19:36:26,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:26,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139197817] [2024-11-10 19:36:26,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:26,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:26,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:27,040 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:27,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:27,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139197817] [2024-11-10 19:36:27,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139197817] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:27,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129799666] [2024-11-10 19:36:27,040 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:36:27,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:27,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:27,042 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) [2024-11-10 19:36:27,044 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-10 19:36:27,110 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 19:36:27,110 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:27,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:36:27,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:27,238 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:27,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:27,901 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 0 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:27,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129799666] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:27,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:27,902 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 19:36:27,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68994944] [2024-11-10 19:36:27,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:27,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:36:27,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:27,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:36:27,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:36:27,906 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) [2024-11-10 19:36:28,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:28,504 INFO L93 Difference]: Finished difference Result 282 states and 294 transitions. [2024-11-10 19:36:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 19:36:28,505 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 [2024-11-10 19:36:28,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:28,506 INFO L225 Difference]: With dead ends: 282 [2024-11-10 19:36:28,506 INFO L226 Difference]: Without dead ends: 281 [2024-11-10 19:36:28,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 152 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 19:36:28,509 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 [2024-11-10 19:36:28,509 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] [2024-11-10 19:36:28,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2024-11-10 19:36:28,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 278. [2024-11-10 19:36:28,523 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) [2024-11-10 19:36:28,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 279 transitions. [2024-11-10 19:36:28,524 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 279 transitions. Word has length 88 [2024-11-10 19:36:28,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:28,525 INFO L471 AbstractCegarLoop]: Abstraction has 278 states and 279 transitions. [2024-11-10 19:36:28,525 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) [2024-11-10 19:36:28,525 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 279 transitions. [2024-11-10 19:36:28,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-10 19:36:28,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:28,527 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1] [2024-11-10 19:36:28,544 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-10 19:36:28,730 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 [2024-11-10 19:36:28,731 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:28,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:28,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1170347899, now seen corresponding path program 3 times [2024-11-10 19:36:28,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:28,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222134135] [2024-11-10 19:36:28,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:28,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:29,228 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:29,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:29,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222134135] [2024-11-10 19:36:29,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222134135] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:29,228 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1351478518] [2024-11-10 19:36:29,228 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 19:36:29,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:29,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:29,230 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) [2024-11-10 19:36:29,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-10 19:36:29,287 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-10 19:36:29,287 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:29,288 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 19:36:29,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:29,431 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:29,432 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:30,081 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:30,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1351478518] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:30,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:30,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-10 19:36:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960553418] [2024-11-10 19:36:30,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:30,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-10 19:36:30,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:30,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-10 19:36:30,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-10 19:36:30,084 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) [2024-11-10 19:36:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:30,687 INFO L93 Difference]: Finished difference Result 391 states and 403 transitions. [2024-11-10 19:36:30,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-11-10 19:36:30,687 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 [2024-11-10 19:36:30,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:30,689 INFO L225 Difference]: With dead ends: 391 [2024-11-10 19:36:30,689 INFO L226 Difference]: Without dead ends: 390 [2024-11-10 19:36:30,691 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-11-10 19:36:30,691 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 [2024-11-10 19:36:30,692 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] [2024-11-10 19:36:30,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2024-11-10 19:36:30,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 386. [2024-11-10 19:36:30,710 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) [2024-11-10 19:36:30,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 387 transitions. [2024-11-10 19:36:30,711 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 387 transitions. Word has length 98 [2024-11-10 19:36:30,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:30,712 INFO L471 AbstractCegarLoop]: Abstraction has 386 states and 387 transitions. [2024-11-10 19:36:30,712 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) [2024-11-10 19:36:30,712 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 387 transitions. [2024-11-10 19:36:30,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-11-10 19:36:30,714 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:30,714 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-10 19:36:30,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-10 19:36:30,917 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 [2024-11-10 19:36:30,918 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:30,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash -70701380, now seen corresponding path program 4 times [2024-11-10 19:36:30,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308661565] [2024-11-10 19:36:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:32,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:32,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308661565] [2024-11-10 19:36:32,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308661565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:32,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922540982] [2024-11-10 19:36:32,499 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:36:32,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:32,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:32,501 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) [2024-11-10 19:36:32,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-10 19:36:32,580 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:36:32,580 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:32,582 INFO L255 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 19:36:32,586 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:32,805 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:32,806 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:34,670 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 0 proven. 1958 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:34,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922540982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:34,670 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:34,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 19:36:34,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623377768] [2024-11-10 19:36:34,671 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:34,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 19:36:34,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:34,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 19:36:34,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:36:34,680 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) [2024-11-10 19:36:36,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:36,364 INFO L93 Difference]: Finished difference Result 582 states and 606 transitions. [2024-11-10 19:36:36,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 19:36:36,365 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 [2024-11-10 19:36:36,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:36,367 INFO L225 Difference]: With dead ends: 582 [2024-11-10 19:36:36,367 INFO L226 Difference]: Without dead ends: 581 [2024-11-10 19:36:36,372 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-11-10 19:36:36,373 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1104 mSDsluCounter, 400 mSDsCounter, 0 mSdLazyCounter, 349 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-10 19:36:36,373 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] [2024-11-10 19:36:36,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-11-10 19:36:36,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 578. [2024-11-10 19:36:36,413 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) [2024-11-10 19:36:36,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 578 states and 579 transitions. [2024-11-10 19:36:36,415 INFO L78 Accepts]: Start accepts. Automaton has 578 states and 579 transitions. Word has length 184 [2024-11-10 19:36:36,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:36,416 INFO L471 AbstractCegarLoop]: Abstraction has 578 states and 579 transitions. [2024-11-10 19:36:36,416 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) [2024-11-10 19:36:36,416 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 579 transitions. [2024-11-10 19:36:36,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2024-11-10 19:36:36,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:36,418 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1] [2024-11-10 19:36:36,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-10 19:36:36,622 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 [2024-11-10 19:36:36,623 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:36,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:36,624 INFO L85 PathProgramCache]: Analyzing trace with hash 413783675, now seen corresponding path program 4 times [2024-11-10 19:36:36,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:36,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645227583] [2024-11-10 19:36:36,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:36,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:38,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:38,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645227583] [2024-11-10 19:36:38,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645227583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:38,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198877401] [2024-11-10 19:36:38,022 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 19:36:38,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:38,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:38,024 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) [2024-11-10 19:36:38,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-10 19:36:38,130 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 19:36:38,130 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:38,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-11-10 19:36:38,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:38,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:38,388 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:40,231 INFO L134 CoverageAnalysis]: Checked inductivity of 2189 backedges. 0 proven. 2189 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:40,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198877401] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:40,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:40,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 48, 48] total 95 [2024-11-10 19:36:40,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760038863] [2024-11-10 19:36:40,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:40,232 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-11-10 19:36:40,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:40,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-11-10 19:36:40,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-11-10 19:36:40,236 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) [2024-11-10 19:36:41,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:36:41,978 INFO L93 Difference]: Finished difference Result 799 states and 823 transitions. [2024-11-10 19:36:41,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-11-10 19:36:41,979 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 [2024-11-10 19:36:41,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:36:41,982 INFO L225 Difference]: With dead ends: 799 [2024-11-10 19:36:41,982 INFO L226 Difference]: Without dead ends: 798 [2024-11-10 19:36:41,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4140 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=5549, Invalid=14473, Unknown=0, NotChecked=0, Total=20022 [2024-11-10 19:36:41,987 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 [2024-11-10 19:36:41,988 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] [2024-11-10 19:36:41,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2024-11-10 19:36:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 794. [2024-11-10 19:36:42,026 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) [2024-11-10 19:36:42,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 794 states and 795 transitions. [2024-11-10 19:36:42,029 INFO L78 Accepts]: Start accepts. Automaton has 794 states and 795 transitions. Word has length 206 [2024-11-10 19:36:42,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:36:42,030 INFO L471 AbstractCegarLoop]: Abstraction has 794 states and 795 transitions. [2024-11-10 19:36:42,030 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) [2024-11-10 19:36:42,030 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 795 transitions. [2024-11-10 19:36:42,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2024-11-10 19:36:42,036 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:36:42,036 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 1, 1, 1, 1] [2024-11-10 19:36:42,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-10 19:36:42,240 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 [2024-11-10 19:36:42,241 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:36:42,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:36:42,242 INFO L85 PathProgramCache]: Analyzing trace with hash 683866756, now seen corresponding path program 5 times [2024-11-10 19:36:42,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:36:42,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831966608] [2024-11-10 19:36:42,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:36:42,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:36:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:36:47,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:47,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:36:47,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831966608] [2024-11-10 19:36:47,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831966608] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:36:47,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [908125057] [2024-11-10 19:36:47,276 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:36:47,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:36:47,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:36:47,278 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) [2024-11-10 19:36:47,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-10 19:36:47,473 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 19:36:47,473 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:36:47,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 775 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 19:36:47,484 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:36:47,904 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:47,905 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:36:54,437 INFO L134 CoverageAnalysis]: Checked inductivity of 8510 backedges. 0 proven. 8510 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:36:54,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [908125057] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:36:54,437 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:36:54,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 19:36:54,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040037152] [2024-11-10 19:36:54,438 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:36:54,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 19:36:54,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:36:54,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 19:36:54,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 19:36:54,446 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) [2024-11-10 19:37:01,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:01,353 INFO L93 Difference]: Finished difference Result 1182 states and 1230 transitions. [2024-11-10 19:37:01,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 19:37:01,354 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 [2024-11-10 19:37:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:01,359 INFO L225 Difference]: With dead ends: 1182 [2024-11-10 19:37:01,359 INFO L226 Difference]: Without dead ends: 1181 [2024-11-10 19:37:01,366 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 940 GetRequests, 656 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 13.3s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-11-10 19:37:01,367 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2495 mSDsluCounter, 813 mSDsCounter, 0 mSdLazyCounter, 705 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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 [2024-11-10 19:37:01,367 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] [2024-11-10 19:37:01,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2024-11-10 19:37:01,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1178. [2024-11-10 19:37:01,418 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) [2024-11-10 19:37:01,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1179 transitions. [2024-11-10 19:37:01,422 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1179 transitions. Word has length 376 [2024-11-10 19:37:01,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:01,423 INFO L471 AbstractCegarLoop]: Abstraction has 1178 states and 1179 transitions. [2024-11-10 19:37:01,425 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) [2024-11-10 19:37:01,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1179 transitions. [2024-11-10 19:37:01,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2024-11-10 19:37:01,435 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:01,435 INFO L215 NwaCegarLoop]: trace histogram [47, 47, 47, 47, 46, 46, 46, 46, 46, 1, 1, 1, 1] [2024-11-10 19:37:01,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-10 19:37:01,636 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 [2024-11-10 19:37:01,636 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:37:01,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:01,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1951804293, now seen corresponding path program 5 times [2024-11-10 19:37:01,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:01,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496954128] [2024-11-10 19:37:01,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:01,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:01,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:06,470 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:06,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496954128] [2024-11-10 19:37:06,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496954128] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:06,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [219922307] [2024-11-10 19:37:06,470 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 19:37:06,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:06,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:06,472 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) [2024-11-10 19:37:06,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-10 19:37:06,707 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2024-11-10 19:37:06,707 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:06,716 INFO L255 TraceCheckSpWp]: Trace formula consists of 821 conjuncts, 96 conjuncts are in the unsatisfiable core [2024-11-10 19:37:06,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:07,114 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:07,115 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 19:37:13,829 INFO L134 CoverageAnalysis]: Checked inductivity of 9545 backedges. 0 proven. 9545 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:13,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [219922307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 19:37:13,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 19:37:13,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [96, 96, 96] total 191 [2024-11-10 19:37:13,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197927073] [2024-11-10 19:37:13,830 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 19:37:13,831 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 192 states [2024-11-10 19:37:13,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 19:37:13,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2024-11-10 19:37:13,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9124, Invalid=27548, Unknown=0, NotChecked=0, Total=36672 [2024-11-10 19:37:13,840 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) [2024-11-10 19:37:21,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 19:37:21,049 INFO L93 Difference]: Finished difference Result 1615 states and 1663 transitions. [2024-11-10 19:37:21,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-11-10 19:37:21,050 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 [2024-11-10 19:37:21,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 19:37:21,056 INFO L225 Difference]: With dead ends: 1615 [2024-11-10 19:37:21,056 INFO L226 Difference]: Without dead ends: 1614 [2024-11-10 19:37:21,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1032 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 284 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17484 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=22613, Invalid=58897, Unknown=0, NotChecked=0, Total=81510 [2024-11-10 19:37:21,062 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 3515 mSDsluCounter, 983 mSDsCounter, 0 mSdLazyCounter, 697 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.4s IncrementalHoareTripleChecker+Time [2024-11-10 19:37:21,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3515 Valid, 997 Invalid, 705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 697 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-10 19:37:21,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1614 states. [2024-11-10 19:37:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1614 to 1610. [2024-11-10 19:37:21,137 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) [2024-11-10 19:37:21,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 1611 transitions. [2024-11-10 19:37:21,142 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 1611 transitions. Word has length 422 [2024-11-10 19:37:21,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 19:37:21,143 INFO L471 AbstractCegarLoop]: Abstraction has 1610 states and 1611 transitions. [2024-11-10 19:37:21,143 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) [2024-11-10 19:37:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1611 transitions. [2024-11-10 19:37:21,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2024-11-10 19:37:21,161 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 19:37:21,161 INFO L215 NwaCegarLoop]: trace histogram [95, 95, 95, 95, 94, 94, 94, 94, 1, 1, 1, 1] [2024-11-10 19:37:21,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-10 19:37:21,365 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 [2024-11-10 19:37:21,366 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-10 19:37:21,366 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 19:37:21,366 INFO L85 PathProgramCache]: Analyzing trace with hash -1637723628, now seen corresponding path program 6 times [2024-11-10 19:37:21,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 19:37:21,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650033404] [2024-11-10 19:37:21,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 19:37:21,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 19:37:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 19:37:38,961 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:38,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 19:37:38,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650033404] [2024-11-10 19:37:38,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650033404] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 19:37:38,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834297311] [2024-11-10 19:37:38,962 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 19:37:38,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 19:37:38,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 19:37:38,964 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) [2024-11-10 19:37:38,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-10 19:37:39,427 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 95 check-sat command(s) [2024-11-10 19:37:39,427 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 19:37:39,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 1543 conjuncts, 192 conjuncts are in the unsatisfiable core [2024-11-10 19:37:39,454 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 19:37:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 35438 backedges. 0 proven. 35438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 19:37:40,250 INFO L311 TraceCheckSpWp]: Computing backward predicates...