./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-recursive-malloc/insertionSort_recursive.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 18:50:51,391 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 18:50:51,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 18:50:51,475 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 18:50:51,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 18:50:51,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 18:50:51,503 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 18:50:51,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 18:50:51,504 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 18:50:51,505 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 18:50:51,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 18:50:51,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 18:50:51,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 18:50:51,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 18:50:51,509 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 18:50:51,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 18:50:51,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 18:50:51,510 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 18:50:51,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 18:50:51,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 18:50:51,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 18:50:51,512 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 18:50:51,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 18:50:51,513 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 18:50:51,513 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 18:50:51,513 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 18:50:51,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 18:50:51,517 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 18:50:51,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 18:50:51,518 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 18:50:51,518 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 18:50:51,519 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:50:51,519 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 18:50:51,520 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 18:50:51,520 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 18:50:51,520 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 18:50:51,520 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 18:50:51,521 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 18:50:51,521 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 18:50:51,521 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 18:50:51,521 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 18:50:51,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ae4a3f744c0a8577333c2c3dfb4ecaabbd2cf6e1675b06577194a98b8d1aee1 [2024-11-10 18:50:51,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 18:50:51,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 18:50:51,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 18:50:51,819 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 18:50:51,820 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 18:50:51,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2024-11-10 18:50:53,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 18:50:53,525 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 18:50:53,525 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/insertionSort_recursive.i [2024-11-10 18:50:53,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53763f355/86db066abdc04e9196a4a674df1cd9ca/FLAG4f2ef47d4 [2024-11-10 18:50:53,544 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53763f355/86db066abdc04e9196a4a674df1cd9ca [2024-11-10 18:50:53,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 18:50:53,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 18:50:53,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 18:50:53,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 18:50:53,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 18:50:53,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49830657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53, skipping insertion in model container [2024-11-10 18:50:53,555 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 18:50:53,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:50:53,756 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 18:50:53,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 18:50:53,794 INFO L204 MainTranslator]: Completed translation [2024-11-10 18:50:53,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53 WrapperNode [2024-11-10 18:50:53,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 18:50:53,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 18:50:53,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 18:50:53,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 18:50:53,802 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,825 INFO L138 Inliner]: procedures = 11, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2024-11-10 18:50:53,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 18:50:53,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 18:50:53,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 18:50:53,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 18:50:53,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,835 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,836 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,852 INFO L175 MemorySlicer]: Split 6 memory accesses to 1 slices as follows [6]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2024-11-10 18:50:53,856 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,857 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,861 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,862 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,863 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,864 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 18:50:53,869 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 18:50:53,869 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 18:50:53,869 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 18:50:53,870 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (1/1) ... [2024-11-10 18:50:53,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 18:50:53,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:53,904 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 18:50:53,906 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 18:50:53,952 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 18:50:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-10 18:50:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure insertionSort [2024-11-10 18:50:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure insertionSort [2024-11-10 18:50:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 18:50:53,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 18:50:53,953 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 18:50:53,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 18:50:54,016 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 18:50:54,018 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 18:50:54,202 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-10 18:50:54,202 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 18:50:54,215 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 18:50:54,215 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 18:50:54,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:50:54 BoogieIcfgContainer [2024-11-10 18:50:54,216 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 18:50:54,218 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 18:50:54,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 18:50:54,224 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 18:50:54,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:50:53" (1/3) ... [2024-11-10 18:50:54,225 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4684b39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:50:54, skipping insertion in model container [2024-11-10 18:50:54,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:50:53" (2/3) ... [2024-11-10 18:50:54,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4684b39e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:50:54, skipping insertion in model container [2024-11-10 18:50:54,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 06:50:54" (3/3) ... [2024-11-10 18:50:54,227 INFO L112 eAbstractionObserver]: Analyzing ICFG insertionSort_recursive.i [2024-11-10 18:50:54,259 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 18:50:54,260 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-10 18:50:54,329 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 18:50:54,335 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;@652087a2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 18:50:54,336 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-10 18:50:54,340 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 32 states have (on average 1.53125) internal successors, (49), 42 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-10 18:50:54,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-10 18:50:54,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:54,348 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-10 18:50:54,349 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:54,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:54,355 INFO L85 PathProgramCache]: Analyzing trace with hash -1810948074, now seen corresponding path program 1 times [2024-11-10 18:50:54,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:54,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142805921] [2024-11-10 18:50:54,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:54,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:54,670 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 18:50:54,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:54,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142805921] [2024-11-10 18:50:54,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142805921] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:54,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:54,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:50:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247047824] [2024-11-10 18:50:54,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:54,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:50:54,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:54,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:50:54,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:54,710 INFO L87 Difference]: Start difference. First operand has 46 states, 32 states have (on average 1.53125) internal successors, (49), 42 states have internal predecessors, (49), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:54,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:54,796 INFO L93 Difference]: Finished difference Result 89 states and 104 transitions. [2024-11-10 18:50:54,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:50:54,799 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-10 18:50:54,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:54,807 INFO L225 Difference]: With dead ends: 89 [2024-11-10 18:50:54,807 INFO L226 Difference]: Without dead ends: 44 [2024-11-10 18:50:54,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:54,818 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:54,820 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 130 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:54,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-10 18:50:54,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2024-11-10 18:50:54,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4516129032258065) internal successors, (45), 41 states have internal predecessors, (45), 2 states have call successors, (2), 1 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 18:50:54,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2024-11-10 18:50:54,862 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 6 [2024-11-10 18:50:54,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:54,863 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2024-11-10 18:50:54,864 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:54,864 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2024-11-10 18:50:54,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:50:54,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:54,866 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:54,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 18:50:54,866 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:54,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:54,868 INFO L85 PathProgramCache]: Analyzing trace with hash -327534219, now seen corresponding path program 1 times [2024-11-10 18:50:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224601437] [2024-11-10 18:50:54,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:54,988 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 18:50:54,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:54,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224601437] [2024-11-10 18:50:54,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224601437] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:54,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:54,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:50:54,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951697812] [2024-11-10 18:50:54,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:54,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:50:54,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:54,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:50:54,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:50:54,996 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18:50:55,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:55,017 INFO L93 Difference]: Finished difference Result 72 states and 78 transitions. [2024-11-10 18:50:55,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:50:55,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 12 [2024-11-10 18:50:55,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:55,018 INFO L225 Difference]: With dead ends: 72 [2024-11-10 18:50:55,019 INFO L226 Difference]: Without dead ends: 43 [2024-11-10 18:50:55,019 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:50:55,020 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:55,021 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 77 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:55,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-10 18:50:55,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-11-10 18:50:55,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.4193548387096775) internal successors, (44), 41 states have internal predecessors, (44), 2 states have call successors, (2), 1 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 18:50:55,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 46 transitions. [2024-11-10 18:50:55,028 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 46 transitions. Word has length 12 [2024-11-10 18:50:55,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:55,029 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 46 transitions. [2024-11-10 18:50:55,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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 18:50:55,030 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 46 transitions. [2024-11-10 18:50:55,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 18:50:55,030 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:55,031 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:55,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 18:50:55,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:55,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:55,032 INFO L85 PathProgramCache]: Analyzing trace with hash 1583588918, now seen corresponding path program 1 times [2024-11-10 18:50:55,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:55,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136116366] [2024-11-10 18:50:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:55,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:55,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:55,192 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 18:50:55,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:55,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136116366] [2024-11-10 18:50:55,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136116366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:55,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420965166] [2024-11-10 18:50:55,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:55,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:55,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:55,195 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 18:50:55,197 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 18:50:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:55,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:50:55,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:55,342 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 18:50:55,342 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:50:55,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420965166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:55,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:50:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-10 18:50:55,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293656320] [2024-11-10 18:50:55,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:55,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:50:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:55,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:50:55,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:50:55,344 INFO L87 Difference]: Start difference. First operand 43 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:55,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:55,396 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2024-11-10 18:50:55,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:50:55,397 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-10 18:50:55,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:55,397 INFO L225 Difference]: With dead ends: 44 [2024-11-10 18:50:55,398 INFO L226 Difference]: Without dead ends: 43 [2024-11-10 18:50:55,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-10 18:50:55,399 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:55,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 103 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:55,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-11-10 18:50:55,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2024-11-10 18:50:55,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 states have internal predecessors, (43), 2 states have call successors, (2), 1 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 18:50:55,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 45 transitions. [2024-11-10 18:50:55,409 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 45 transitions. Word has length 11 [2024-11-10 18:50:55,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:55,409 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 45 transitions. [2024-11-10 18:50:55,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.2) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2024-11-10 18:50:55,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 18:50:55,411 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:55,411 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:55,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-10 18:50:55,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:55,616 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:55,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:55,617 INFO L85 PathProgramCache]: Analyzing trace with hash 1846616210, now seen corresponding path program 1 times [2024-11-10 18:50:55,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:55,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939564623] [2024-11-10 18:50:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:55,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:55,724 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:50:55,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:55,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939564623] [2024-11-10 18:50:55,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939564623] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:55,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473867472] [2024-11-10 18:50:55,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:55,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:55,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:55,728 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 18:50:55,733 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 18:50:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:55,775 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:50:55,776 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:55,808 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:50:55,809 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:50:55,874 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:50:55,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473867472] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:50:55,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:50:55,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-10 18:50:55,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013336465] [2024-11-10 18:50:55,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:50:55,878 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-10 18:50:55,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:55,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-10 18:50:55,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:50:55,879 INFO L87 Difference]: Start difference. First operand 42 states and 45 transitions. Second operand has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:55,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:55,958 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2024-11-10 18:50:55,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-10 18:50:55,959 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-10 18:50:55,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:55,960 INFO L225 Difference]: With dead ends: 58 [2024-11-10 18:50:55,960 INFO L226 Difference]: Without dead ends: 57 [2024-11-10 18:50:55,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-10 18:50:55,961 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:55,962 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 141 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:55,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-10 18:50:55,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-10 18:50:55,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 46 states have (on average 1.326086956521739) internal successors, (61), 55 states have internal predecessors, (61), 2 states have call successors, (2), 1 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 18:50:55,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2024-11-10 18:50:55,978 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 12 [2024-11-10 18:50:55,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:55,979 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2024-11-10 18:50:55,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 12 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:55,979 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2024-11-10 18:50:55,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-10 18:50:55,980 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:55,981 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:55,998 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 18:50:56,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-10 18:50:56,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:56,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:56,182 INFO L85 PathProgramCache]: Analyzing trace with hash -946231403, now seen corresponding path program 1 times [2024-11-10 18:50:56,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:56,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757929058] [2024-11-10 18:50:56,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:56,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:56,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:56,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757929058] [2024-11-10 18:50:56,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757929058] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:56,248 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:56,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:50:56,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029293315] [2024-11-10 18:50:56,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:56,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:50:56,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:56,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:50:56,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:50:56,250 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:56,328 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2024-11-10 18:50:56,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:50:56,329 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-10 18:50:56,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:56,332 INFO L225 Difference]: With dead ends: 98 [2024-11-10 18:50:56,332 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 18:50:56,332 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-10 18:50:56,333 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 82 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:56,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 121 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:56,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 18:50:56,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 82. [2024-11-10 18:50:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 71 states have (on average 1.352112676056338) internal successors, (96), 79 states have internal predecessors, (96), 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 18:50:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 98 transitions. [2024-11-10 18:50:56,346 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 98 transitions. Word has length 17 [2024-11-10 18:50:56,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:56,346 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 98 transitions. [2024-11-10 18:50:56,346 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 98 transitions. [2024-11-10 18:50:56,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-10 18:50:56,347 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:56,351 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:56,351 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-10 18:50:56,352 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:56,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:56,352 INFO L85 PathProgramCache]: Analyzing trace with hash -1911049140, now seen corresponding path program 1 times [2024-11-10 18:50:56,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:56,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259020791] [2024-11-10 18:50:56,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:56,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:56,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259020791] [2024-11-10 18:50:56,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259020791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:56,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:56,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:50:56,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100716882] [2024-11-10 18:50:56,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:56,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-10 18:50:56,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:56,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-10 18:50:56,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:50:56,381 INFO L87 Difference]: Start difference. First operand 82 states and 98 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:56,392 INFO L93 Difference]: Finished difference Result 129 states and 158 transitions. [2024-11-10 18:50:56,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-10 18:50:56,392 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-10 18:50:56,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:56,393 INFO L225 Difference]: With dead ends: 129 [2024-11-10 18:50:56,393 INFO L226 Difference]: Without dead ends: 85 [2024-11-10 18:50:56,393 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-10 18:50:56,394 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 0 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:56,394 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:56,395 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2024-11-10 18:50:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 84. [2024-11-10 18:50:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 81 states have internal predecessors, (98), 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 18:50:56,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 100 transitions. [2024-11-10 18:50:56,406 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 100 transitions. Word has length 21 [2024-11-10 18:50:56,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:56,406 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 100 transitions. [2024-11-10 18:50:56,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,407 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 100 transitions. [2024-11-10 18:50:56,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-10 18:50:56,407 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:56,408 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:56,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-10 18:50:56,408 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:56,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:56,408 INFO L85 PathProgramCache]: Analyzing trace with hash -1764659875, now seen corresponding path program 1 times [2024-11-10 18:50:56,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:56,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377849204] [2024-11-10 18:50:56,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:56,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:56,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:56,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377849204] [2024-11-10 18:50:56,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377849204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:56,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:56,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-10 18:50:56,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299400184] [2024-11-10 18:50:56,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:56,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:50:56,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:56,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:50:56,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:50:56,543 INFO L87 Difference]: Start difference. First operand 84 states and 100 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:56,657 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2024-11-10 18:50:56,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:50:56,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-10 18:50:56,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:56,658 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:50:56,658 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 18:50:56,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:50:56,659 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 84 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:56,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 154 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:56,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 18:50:56,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2024-11-10 18:50:56,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 84 states have internal predecessors, (101), 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 18:50:56,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 103 transitions. [2024-11-10 18:50:56,667 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 103 transitions. Word has length 24 [2024-11-10 18:50:56,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:56,667 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 103 transitions. [2024-11-10 18:50:56,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:56,667 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 103 transitions. [2024-11-10 18:50:56,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:50:56,668 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:56,668 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:56,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-10 18:50:56,669 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting insertionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:56,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:56,669 INFO L85 PathProgramCache]: Analyzing trace with hash -696223537, now seen corresponding path program 1 times [2024-11-10 18:50:56,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:56,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899270327] [2024-11-10 18:50:56,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:56,734 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:50:56,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:56,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899270327] [2024-11-10 18:50:56,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899270327] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:56,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:56,735 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:50:56,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527637332] [2024-11-10 18:50:56,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:56,736 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:50:56,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:56,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:50:56,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:56,737 INFO L87 Difference]: Start difference. First operand 87 states and 103 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 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 18:50:56,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:56,764 INFO L93 Difference]: Finished difference Result 89 states and 105 transitions. [2024-11-10 18:50:56,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:50:56,764 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 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 27 [2024-11-10 18:50:56,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:56,767 INFO L225 Difference]: With dead ends: 89 [2024-11-10 18:50:56,767 INFO L226 Difference]: Without dead ends: 87 [2024-11-10 18:50:56,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:56,768 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 15 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:56,768 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 52 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:56,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-10 18:50:56,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 85. [2024-11-10 18:50:56,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 82 states have internal predecessors, (97), 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 18:50:56,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 99 transitions. [2024-11-10 18:50:56,774 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 99 transitions. Word has length 27 [2024-11-10 18:50:56,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:56,774 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 99 transitions. [2024-11-10 18:50:56,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (2), 1 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 18:50:56,774 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 99 transitions. [2024-11-10 18:50:56,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-10 18:50:56,775 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:56,775 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:56,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-10 18:50:56,775 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:56,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:56,776 INFO L85 PathProgramCache]: Analyzing trace with hash -108093176, now seen corresponding path program 1 times [2024-11-10 18:50:56,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:56,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881496083] [2024-11-10 18:50:56,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:56,976 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:50:56,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:56,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1881496083] [2024-11-10 18:50:56,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1881496083] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:56,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1010305991] [2024-11-10 18:50:56,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:56,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:56,977 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:56,979 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 18:50:56,980 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 18:50:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:57,036 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:50:57,038 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:57,129 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:57,129 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:50:57,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1010305991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:57,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:50:57,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 16 [2024-11-10 18:50:57,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102990853] [2024-11-10 18:50:57,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:57,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 18:50:57,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:57,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 18:50:57,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-11-10 18:50:57,132 INFO L87 Difference]: Start difference. First operand 85 states and 99 transitions. Second operand has 7 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 18:50:57,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:57,235 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions. [2024-11-10 18:50:57,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:50:57,236 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-10 18:50:57,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:57,236 INFO L225 Difference]: With dead ends: 100 [2024-11-10 18:50:57,236 INFO L226 Difference]: Without dead ends: 98 [2024-11-10 18:50:57,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2024-11-10 18:50:57,238 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 78 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:57,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 113 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:57,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-10 18:50:57,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 93. [2024-11-10 18:50:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 84 states have (on average 1.2738095238095237) internal successors, (107), 90 states have internal predecessors, (107), 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 18:50:57,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 109 transitions. [2024-11-10 18:50:57,252 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 109 transitions. Word has length 28 [2024-11-10 18:50:57,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:57,255 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 109 transitions. [2024-11-10 18:50:57,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 5.0) internal successors, (25), 6 states have internal predecessors, (25), 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 18:50:57,256 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 109 transitions. [2024-11-10 18:50:57,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-10 18:50:57,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:57,256 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:57,275 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-10 18:50:57,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:57,457 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:57,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:57,458 INFO L85 PathProgramCache]: Analyzing trace with hash 944103367, now seen corresponding path program 1 times [2024-11-10 18:50:57,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:57,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297276659] [2024-11-10 18:50:57,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:57,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:57,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:57,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297276659] [2024-11-10 18:50:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297276659] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095267231] [2024-11-10 18:50:57,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:57,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:57,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:57,538 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 18:50:57,539 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 18:50:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:57,606 INFO L255 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-10 18:50:57,607 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:57,667 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 18:50:57,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095267231] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:57,667 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-10 18:50:57,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6] total 10 [2024-11-10 18:50:57,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859408052] [2024-11-10 18:50:57,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:57,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:50:57,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:57,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:50:57,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-10 18:50:57,669 INFO L87 Difference]: Start difference. First operand 93 states and 109 transitions. Second operand has 6 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 18:50:57,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:57,712 INFO L93 Difference]: Finished difference Result 93 states and 109 transitions. [2024-11-10 18:50:57,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:50:57,713 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 29 [2024-11-10 18:50:57,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:57,714 INFO L225 Difference]: With dead ends: 93 [2024-11-10 18:50:57,714 INFO L226 Difference]: Without dead ends: 92 [2024-11-10 18:50:57,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2024-11-10 18:50:57,715 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 42 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:57,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 98 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:57,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2024-11-10 18:50:57,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2024-11-10 18:50:57,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 84 states have (on average 1.2619047619047619) internal successors, (106), 89 states have internal predecessors, (106), 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 18:50:57,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 108 transitions. [2024-11-10 18:50:57,724 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 108 transitions. Word has length 29 [2024-11-10 18:50:57,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:57,724 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 108 transitions. [2024-11-10 18:50:57,724 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 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 18:50:57,724 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 108 transitions. [2024-11-10 18:50:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-10 18:50:57,725 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:57,726 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 1, 1, 1, 1] [2024-11-10 18:50:57,743 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-10 18:50:57,926 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 18:50:57,926 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:57,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:57,927 INFO L85 PathProgramCache]: Analyzing trace with hash 384121522, now seen corresponding path program 2 times [2024-11-10 18:50:57,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:57,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352734176] [2024-11-10 18:50:57,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:57,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:58,081 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 18:50:58,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352734176] [2024-11-10 18:50:58,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352734176] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:58,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1812897886] [2024-11-10 18:50:58,082 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:50:58,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:58,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:58,085 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 18:50:58,091 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 18:50:58,133 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-10 18:50:58,133 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:50:58,134 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-10 18:50:58,135 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:50:58,202 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:50:58,251 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-10 18:50:58,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1812897886] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:50:58,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:50:58,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 3, 3] total 13 [2024-11-10 18:50:58,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725969448] [2024-11-10 18:50:58,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:50:58,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:50:58,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:58,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:50:58,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:50:58,253 INFO L87 Difference]: Start difference. First operand 92 states and 108 transitions. Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:58,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:58,422 INFO L93 Difference]: Finished difference Result 98 states and 116 transitions. [2024-11-10 18:50:58,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-10 18:50:58,424 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-10 18:50:58,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:58,425 INFO L225 Difference]: With dead ends: 98 [2024-11-10 18:50:58,425 INFO L226 Difference]: Without dead ends: 97 [2024-11-10 18:50:58,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 50 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=456, Unknown=0, NotChecked=0, Total=600 [2024-11-10 18:50:58,426 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 8 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:58,426 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 182 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 18:50:58,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-10 18:50:58,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 74. [2024-11-10 18:50:58,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 71 states have internal predecessors, (85), 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 18:50:58,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2024-11-10 18:50:58,439 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 27 [2024-11-10 18:50:58,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:58,440 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2024-11-10 18:50:58,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:50:58,440 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2024-11-10 18:50:58,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:50:58,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:58,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:58,460 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-10 18:50:58,641 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 18:50:58,641 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:58,642 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:58,642 INFO L85 PathProgramCache]: Analyzing trace with hash -797566722, now seen corresponding path program 1 times [2024-11-10 18:50:58,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:58,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439138125] [2024-11-10 18:50:58,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:58,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:50:58,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:58,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [439138125] [2024-11-10 18:50:58,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [439138125] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:58,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:58,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:50:58,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658347704] [2024-11-10 18:50:58,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:58,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:50:58,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:58,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:50:58,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:50:58,698 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 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 18:50:58,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:58,770 INFO L93 Difference]: Finished difference Result 87 states and 100 transitions. [2024-11-10 18:50:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-10 18:50:58,771 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 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 30 [2024-11-10 18:50:58,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:58,771 INFO L225 Difference]: With dead ends: 87 [2024-11-10 18:50:58,771 INFO L226 Difference]: Without dead ends: 86 [2024-11-10 18:50:58,772 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 18:50:58,772 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 12 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:58,772 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 85 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:58,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-10 18:50:58,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 74. [2024-11-10 18:50:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 67 states have (on average 1.2686567164179106) internal successors, (85), 71 states have internal predecessors, (85), 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 18:50:58,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2024-11-10 18:50:58,777 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 87 transitions. Word has length 30 [2024-11-10 18:50:58,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:58,777 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 87 transitions. [2024-11-10 18:50:58,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) internal successors, (26), 5 states have internal predecessors, (26), 1 states have call successors, (2), 1 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 18:50:58,778 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 87 transitions. [2024-11-10 18:50:58,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-10 18:50:58,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:58,778 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:58,779 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-10 18:50:58,779 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting insertionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:58,779 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:58,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1881016136, now seen corresponding path program 1 times [2024-11-10 18:50:58,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:58,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376513396] [2024-11-10 18:50:58,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:58,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:58,855 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-10 18:50:58,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:58,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376513396] [2024-11-10 18:50:58,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376513396] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:58,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:58,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 18:50:58,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973311451] [2024-11-10 18:50:58,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:58,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-10 18:50:58,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:58,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-10 18:50:58,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-10 18:50:58,857 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 18:50:58,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:58,929 INFO L93 Difference]: Finished difference Result 117 states and 134 transitions. [2024-11-10 18:50:58,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 18:50:58,929 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 30 [2024-11-10 18:50:58,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:58,931 INFO L225 Difference]: With dead ends: 117 [2024-11-10 18:50:58,931 INFO L226 Difference]: Without dead ends: 59 [2024-11-10 18:50:58,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-10 18:50:58,932 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 20 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:58,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 133 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:58,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-10 18:50:58,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 53. [2024-11-10 18:50:58,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 50 states have internal predecessors, (56), 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 18:50:58,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 58 transitions. [2024-11-10 18:50:58,939 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 58 transitions. Word has length 30 [2024-11-10 18:50:58,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:58,942 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 58 transitions. [2024-11-10 18:50:58,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 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 18:50:58,943 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 58 transitions. [2024-11-10 18:50:58,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-10 18:50:58,943 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:58,944 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:58,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-10 18:50:58,944 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:58,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:58,944 INFO L85 PathProgramCache]: Analyzing trace with hash -1736307967, now seen corresponding path program 1 times [2024-11-10 18:50:58,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:58,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045826248] [2024-11-10 18:50:58,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:58,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:59,025 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:59,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:59,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045826248] [2024-11-10 18:50:59,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045826248] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:59,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1241032411] [2024-11-10 18:50:59,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:59,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:59,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:50:59,028 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 18:50:59,030 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 18:50:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:59,101 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-10 18:50:59,102 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:50:59,150 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:59,151 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:50:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-10 18:50:59,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1241032411] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:50:59,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:50:59,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-11-10 18:50:59,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202478112] [2024-11-10 18:50:59,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:50:59,240 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-10 18:50:59,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:59,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-10 18:50:59,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2024-11-10 18:50:59,241 INFO L87 Difference]: Start difference. First operand 53 states and 58 transitions. Second operand has 14 states, 11 states have (on average 5.363636363636363) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (5), 5 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 18:50:59,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:59,331 INFO L93 Difference]: Finished difference Result 132 states and 146 transitions. [2024-11-10 18:50:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-10 18:50:59,331 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 11 states have (on average 5.363636363636363) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 33 [2024-11-10 18:50:59,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:59,332 INFO L225 Difference]: With dead ends: 132 [2024-11-10 18:50:59,332 INFO L226 Difference]: Without dead ends: 131 [2024-11-10 18:50:59,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=253, Unknown=0, NotChecked=0, Total=342 [2024-11-10 18:50:59,333 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 112 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:59,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 285 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:59,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-11-10 18:50:59,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 109. [2024-11-10 18:50:59,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 100 states have (on average 1.26) internal successors, (126), 104 states have internal predecessors, (126), 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 18:50:59,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 130 transitions. [2024-11-10 18:50:59,339 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 130 transitions. Word has length 33 [2024-11-10 18:50:59,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:59,340 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 130 transitions. [2024-11-10 18:50:59,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 11 states have (on average 5.363636363636363) internal successors, (59), 9 states have internal predecessors, (59), 3 states have call successors, (5), 5 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 18:50:59,340 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 130 transitions. [2024-11-10 18:50:59,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-10 18:50:59,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:59,341 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:59,358 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 18:50:59,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:59,542 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting insertionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:59,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:59,542 INFO L85 PathProgramCache]: Analyzing trace with hash 2010228451, now seen corresponding path program 1 times [2024-11-10 18:50:59,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:59,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356463835] [2024-11-10 18:50:59,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:59,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:59,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:59,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-10 18:50:59,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:59,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356463835] [2024-11-10 18:50:59,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356463835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:59,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:59,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-10 18:50:59,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164763186] [2024-11-10 18:50:59,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:59,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-10 18:50:59,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:59,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-10 18:50:59,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:50:59,598 INFO L87 Difference]: Start difference. First operand 109 states and 130 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 18:50:59,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:59,642 INFO L93 Difference]: Finished difference Result 112 states and 133 transitions. [2024-11-10 18:50:59,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-10 18:50:59,642 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 34 [2024-11-10 18:50:59,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:59,643 INFO L225 Difference]: With dead ends: 112 [2024-11-10 18:50:59,643 INFO L226 Difference]: Without dead ends: 111 [2024-11-10 18:50:59,645 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-10 18:50:59,645 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 4 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:59,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 78 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:59,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-11-10 18:50:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 108. [2024-11-10 18:50:59,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 100 states have (on average 1.23) internal successors, (123), 103 states have internal predecessors, (123), 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 18:50:59,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 127 transitions. [2024-11-10 18:50:59,656 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 127 transitions. Word has length 34 [2024-11-10 18:50:59,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:59,656 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 127 transitions. [2024-11-10 18:50:59,656 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 18:50:59,656 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 127 transitions. [2024-11-10 18:50:59,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-10 18:50:59,657 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:59,657 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:59,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-10 18:50:59,657 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:59,657 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:59,658 INFO L85 PathProgramCache]: Analyzing trace with hash -2107427480, now seen corresponding path program 1 times [2024-11-10 18:50:59,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:59,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832981353] [2024-11-10 18:50:59,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:59,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:59,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-10 18:50:59,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:59,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832981353] [2024-11-10 18:50:59,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832981353] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 18:50:59,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 18:50:59,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 18:50:59,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198861156] [2024-11-10 18:50:59,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 18:50:59,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 18:50:59,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:50:59,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 18:50:59,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:59,731 INFO L87 Difference]: Start difference. First operand 108 states and 127 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 18:50:59,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:50:59,759 INFO L93 Difference]: Finished difference Result 112 states and 131 transitions. [2024-11-10 18:50:59,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 18:50:59,760 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 35 [2024-11-10 18:50:59,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:50:59,760 INFO L225 Difference]: With dead ends: 112 [2024-11-10 18:50:59,761 INFO L226 Difference]: Without dead ends: 109 [2024-11-10 18:50:59,761 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 18:50:59,762 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 6 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 18:50:59,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 78 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 18:50:59,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-10 18:50:59,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 83. [2024-11-10 18:50:59,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 78 states have (on average 1.1153846153846154) internal successors, (87), 78 states have internal predecessors, (87), 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 18:50:59,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions. [2024-11-10 18:50:59,769 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 35 [2024-11-10 18:50:59,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:50:59,769 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 91 transitions. [2024-11-10 18:50:59,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (2), 1 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 18:50:59,769 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions. [2024-11-10 18:50:59,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-10 18:50:59,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:50:59,771 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:50:59,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-10 18:50:59,772 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:50:59,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:50:59,772 INFO L85 PathProgramCache]: Analyzing trace with hash -694909707, now seen corresponding path program 2 times [2024-11-10 18:50:59,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:50:59,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958111792] [2024-11-10 18:50:59,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:50:59,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:50:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:50:59,998 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 30 proven. 4 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-10 18:50:59,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:50:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958111792] [2024-11-10 18:50:59,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958111792] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:50:59,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696881464] [2024-11-10 18:50:59,998 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:50:59,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:50:59,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:00,000 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 18:51:00,002 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 18:51:00,090 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:51:00,090 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:00,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-10 18:51:00,093 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:00,197 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 18:51:00,199 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:00,295 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-10 18:51:00,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696881464] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:00,295 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:00,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 18 [2024-11-10 18:51:00,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887994927] [2024-11-10 18:51:00,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:00,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-10 18:51:00,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:00,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-10 18:51:00,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=268, Unknown=0, NotChecked=0, Total=306 [2024-11-10 18:51:00,297 INFO L87 Difference]: Start difference. First operand 83 states and 91 transitions. Second operand has 18 states, 16 states have (on average 3.5625) internal successors, (57), 14 states have internal predecessors, (57), 5 states have call successors, (5), 5 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 18:51:00,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:00,621 INFO L93 Difference]: Finished difference Result 189 states and 210 transitions. [2024-11-10 18:51:00,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-10 18:51:00,621 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 16 states have (on average 3.5625) internal successors, (57), 14 states have internal predecessors, (57), 5 states have call successors, (5), 5 states have call predecessors, (5), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2024-11-10 18:51:00,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:00,622 INFO L225 Difference]: With dead ends: 189 [2024-11-10 18:51:00,622 INFO L226 Difference]: Without dead ends: 116 [2024-11-10 18:51:00,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 93 SyntacticMatches, 6 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=647, Unknown=0, NotChecked=0, Total=756 [2024-11-10 18:51:00,624 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 99 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 370 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 370 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:00,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 204 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 370 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:51:00,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-10 18:51:00,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 92. [2024-11-10 18:51:00,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 87 states have (on average 1.0919540229885059) internal successors, (95), 87 states have internal predecessors, (95), 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 18:51:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 99 transitions. [2024-11-10 18:51:00,631 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 99 transitions. Word has length 53 [2024-11-10 18:51:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:00,631 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 99 transitions. [2024-11-10 18:51:00,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 16 states have (on average 3.5625) internal successors, (57), 14 states have internal predecessors, (57), 5 states have call successors, (5), 5 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 18:51:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 99 transitions. [2024-11-10 18:51:00,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-10 18:51:00,632 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:00,632 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:00,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-10 18:51:00,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:00,833 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:00,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:00,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1170786751, now seen corresponding path program 3 times [2024-11-10 18:51:00,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:00,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835202347] [2024-11-10 18:51:00,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:00,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:00,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:01,143 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 43 proven. 20 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:51:01,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835202347] [2024-11-10 18:51:01,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835202347] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:01,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132576164] [2024-11-10 18:51:01,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-10 18:51:01,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:01,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:01,146 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 18:51:01,148 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 18:51:01,235 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-11-10 18:51:01,236 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:01,237 INFO L255 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-10 18:51:01,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:01,470 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:51:01,470 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-10 18:51:01,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132576164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:01,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:01,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 38 [2024-11-10 18:51:01,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625727331] [2024-11-10 18:51:01,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:01,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-11-10 18:51:01,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:01,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-11-10 18:51:01,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1239, Unknown=0, NotChecked=0, Total=1406 [2024-11-10 18:51:01,769 INFO L87 Difference]: Start difference. First operand 92 states and 99 transitions. Second operand has 38 states, 30 states have (on average 4.933333333333334) internal successors, (148), 27 states have internal predecessors, (148), 11 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:02,367 INFO L93 Difference]: Finished difference Result 264 states and 290 transitions. [2024-11-10 18:51:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-10 18:51:02,368 INFO L78 Accepts]: Start accepts. Automaton has has 38 states, 30 states have (on average 4.933333333333334) internal successors, (148), 27 states have internal predecessors, (148), 11 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 64 [2024-11-10 18:51:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:02,369 INFO L225 Difference]: With dead ends: 264 [2024-11-10 18:51:02,369 INFO L226 Difference]: Without dead ends: 187 [2024-11-10 18:51:02,370 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 631 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=488, Invalid=2818, Unknown=0, NotChecked=0, Total=3306 [2024-11-10 18:51:02,371 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 563 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 563 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:02,371 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [563 Valid, 653 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-10 18:51:02,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-10 18:51:02,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 185. [2024-11-10 18:51:02,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 176 states have (on average 1.0909090909090908) internal successors, (192), 176 states have internal predecessors, (192), 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 18:51:02,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 200 transitions. [2024-11-10 18:51:02,380 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 200 transitions. Word has length 64 [2024-11-10 18:51:02,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:02,380 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 200 transitions. [2024-11-10 18:51:02,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 30 states have (on average 4.933333333333334) internal successors, (148), 27 states have internal predecessors, (148), 11 states have call successors, (12), 12 states have call predecessors, (12), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:02,380 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 200 transitions. [2024-11-10 18:51:02,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-10 18:51:02,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:02,381 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:02,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-10 18:51:02,585 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,SelfDestructingSolverStorable17 [2024-11-10 18:51:02,586 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:02,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:02,587 INFO L85 PathProgramCache]: Analyzing trace with hash -809359583, now seen corresponding path program 4 times [2024-11-10 18:51:02,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:02,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055276969] [2024-11-10 18:51:02,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:02,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:02,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 140 proven. 124 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2024-11-10 18:51:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055276969] [2024-11-10 18:51:03,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055276969] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:03,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134938812] [2024-11-10 18:51:03,250 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-10 18:51:03,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:03,251 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 18:51:03,253 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 18:51:03,391 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-10 18:51:03,391 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:03,394 INFO L255 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-10 18:51:03,397 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:04,030 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 18:51:04,030 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:04,883 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-10 18:51:04,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134938812] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:04,883 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:04,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24, 24] total 67 [2024-11-10 18:51:04,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257232409] [2024-11-10 18:51:04,883 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:04,884 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-11-10 18:51:04,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:04,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-11-10 18:51:04,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=479, Invalid=3943, Unknown=0, NotChecked=0, Total=4422 [2024-11-10 18:51:04,887 INFO L87 Difference]: Start difference. First operand 185 states and 200 transitions. Second operand has 67 states, 51 states have (on average 5.176470588235294) internal successors, (264), 48 states have internal predecessors, (264), 20 states have call successors, (21), 20 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 18:51:07,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:07,068 INFO L93 Difference]: Finished difference Result 549 states and 605 transitions. [2024-11-10 18:51:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-11-10 18:51:07,069 INFO L78 Accepts]: Start accepts. Automaton has has 67 states, 51 states have (on average 5.176470588235294) internal successors, (264), 48 states have internal predecessors, (264), 20 states have call successors, (21), 20 states have call predecessors, (21), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 121 [2024-11-10 18:51:07,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:07,071 INFO L225 Difference]: With dead ends: 549 [2024-11-10 18:51:07,071 INFO L226 Difference]: Without dead ends: 368 [2024-11-10 18:51:07,076 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4161 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2642, Invalid=13870, Unknown=0, NotChecked=0, Total=16512 [2024-11-10 18:51:07,076 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 1494 mSDsluCounter, 794 mSDsCounter, 0 mSdLazyCounter, 880 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1494 SdHoareTripleChecker+Valid, 819 SdHoareTripleChecker+Invalid, 897 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:07,077 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1494 Valid, 819 Invalid, 897 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 880 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-10 18:51:07,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2024-11-10 18:51:07,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 366. [2024-11-10 18:51:07,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 349 states have (on average 1.0916905444126075) internal successors, (381), 349 states have internal predecessors, (381), 16 states have call successors, (16), 16 states have call predecessors, (16), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:07,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 397 transitions. [2024-11-10 18:51:07,095 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 397 transitions. Word has length 121 [2024-11-10 18:51:07,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:07,095 INFO L471 AbstractCegarLoop]: Abstraction has 366 states and 397 transitions. [2024-11-10 18:51:07,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 51 states have (on average 5.176470588235294) internal successors, (264), 48 states have internal predecessors, (264), 20 states have call successors, (21), 20 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 18:51:07,096 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 397 transitions. [2024-11-10 18:51:07,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2024-11-10 18:51:07,099 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:07,099 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:07,117 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 18:51:07,304 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:07,305 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:07,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:07,305 INFO L85 PathProgramCache]: Analyzing trace with hash -1644244351, now seen corresponding path program 5 times [2024-11-10 18:51:07,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:07,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62302336] [2024-11-10 18:51:07,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:07,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 341 proven. 466 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2024-11-10 18:51:08,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:08,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62302336] [2024-11-10 18:51:08,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62302336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:08,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981709601] [2024-11-10 18:51:08,783 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-10 18:51:08,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:08,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:08,786 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 18:51:08,787 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 18:51:09,332 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-11-10 18:51:09,332 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:09,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-11-10 18:51:09,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 1462 proven. 50 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:51:11,073 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:12,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1523 backedges. 1318 proven. 194 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-11-10 18:51:12,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981709601] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:12,925 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:12,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 56, 56] total 114 [2024-11-10 18:51:12,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116681520] [2024-11-10 18:51:12,926 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:12,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-10 18:51:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:12,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-10 18:51:12,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1513, Invalid=11369, Unknown=0, NotChecked=0, Total=12882 [2024-11-10 18:51:12,932 INFO L87 Difference]: Start difference. First operand 366 states and 397 transitions. Second operand has 114 states, 88 states have (on average 4.636363636363637) internal successors, (408), 86 states have internal predecessors, (408), 31 states have call successors, (31), 29 states have call predecessors, (31), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:15,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:15,867 INFO L93 Difference]: Finished difference Result 1056 states and 1151 transitions. [2024-11-10 18:51:15,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-10 18:51:15,868 INFO L78 Accepts]: Start accepts. Automaton has has 114 states, 88 states have (on average 4.636363636363637) internal successors, (408), 86 states have internal predecessors, (408), 31 states have call successors, (31), 29 states have call predecessors, (31), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 230 [2024-11-10 18:51:15,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:15,870 INFO L225 Difference]: With dead ends: 1056 [2024-11-10 18:51:15,870 INFO L226 Difference]: Without dead ends: 391 [2024-11-10 18:51:15,876 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 579 GetRequests, 385 SyntacticMatches, 9 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12689 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=4480, Invalid=30302, Unknown=0, NotChecked=0, Total=34782 [2024-11-10 18:51:15,877 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 804 mSDsluCounter, 1693 mSDsCounter, 0 mSdLazyCounter, 1894 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 804 SdHoareTripleChecker+Valid, 1726 SdHoareTripleChecker+Invalid, 1899 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:15,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [804 Valid, 1726 Invalid, 1899 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1894 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-10 18:51:15,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2024-11-10 18:51:15,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 391. [2024-11-10 18:51:15,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 391 states, 374 states have (on average 1.085561497326203) internal successors, (406), 374 states have internal predecessors, (406), 16 states have call successors, (16), 16 states have call predecessors, (16), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:15,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 422 transitions. [2024-11-10 18:51:15,896 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 422 transitions. Word has length 230 [2024-11-10 18:51:15,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:15,897 INFO L471 AbstractCegarLoop]: Abstraction has 391 states and 422 transitions. [2024-11-10 18:51:15,897 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 88 states have (on average 4.636363636363637) internal successors, (408), 86 states have internal predecessors, (408), 31 states have call successors, (31), 29 states have call predecessors, (31), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:15,897 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 422 transitions. [2024-11-10 18:51:15,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2024-11-10 18:51:15,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:15,901 INFO L215 NwaCegarLoop]: trace histogram [16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:15,922 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 18:51:16,101 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:16,102 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:16,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:16,103 INFO L85 PathProgramCache]: Analyzing trace with hash -1150013279, now seen corresponding path program 6 times [2024-11-10 18:51:16,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:16,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116740251] [2024-11-10 18:51:16,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:16,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:18,592 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 661 proven. 821 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-10 18:51:18,593 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:18,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116740251] [2024-11-10 18:51:18,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116740251] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:18,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [324607219] [2024-11-10 18:51:18,594 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-10 18:51:18,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:18,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:18,596 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 18:51:18,597 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 18:51:19,357 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-11-10 18:51:19,357 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:19,365 INFO L255 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 67 conjuncts are in the unsatisfiable core [2024-11-10 18:51:19,369 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:20,834 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1669 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 18:51:20,834 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:23,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1683 backedges. 0 proven. 1669 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-10 18:51:23,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [324607219] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:23,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:23,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 63, 63] total 155 [2024-11-10 18:51:23,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196203921] [2024-11-10 18:51:23,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:23,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2024-11-10 18:51:23,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:23,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2024-11-10 18:51:23,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1820, Invalid=22050, Unknown=0, NotChecked=0, Total=23870 [2024-11-10 18:51:23,712 INFO L87 Difference]: Start difference. First operand 391 states and 422 transitions. Second operand has 155 states, 121 states have (on average 4.743801652892562) internal successors, (574), 119 states have internal predecessors, (574), 39 states have call successors, (39), 37 states have call predecessors, (39), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:31,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:31,918 INFO L93 Difference]: Finished difference Result 1430 states and 1573 transitions. [2024-11-10 18:51:31,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 249 states. [2024-11-10 18:51:31,919 INFO L78 Accepts]: Start accepts. Automaton has has 155 states, 121 states have (on average 4.743801652892562) internal successors, (574), 119 states have internal predecessors, (574), 39 states have call successors, (39), 37 states have call predecessors, (39), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 255 [2024-11-10 18:51:31,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:31,923 INFO L225 Difference]: With dead ends: 1430 [2024-11-10 18:51:31,923 INFO L226 Difference]: Without dead ends: 685 [2024-11-10 18:51:31,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 751 GetRequests, 418 SyntacticMatches, 0 SemanticMatches, 333 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39414 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=15906, Invalid=95984, Unknown=0, NotChecked=0, Total=111890 [2024-11-10 18:51:31,932 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 4639 mSDsluCounter, 2314 mSDsCounter, 0 mSdLazyCounter, 3457 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4639 SdHoareTripleChecker+Valid, 2387 SdHoareTripleChecker+Invalid, 3511 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 3457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:31,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4639 Valid, 2387 Invalid, 3511 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 3457 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-10 18:51:31,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2024-11-10 18:51:31,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 683. [2024-11-10 18:51:31,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 683 states, 655 states have (on average 1.082442748091603) internal successors, (709), 655 states have internal predecessors, (709), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:31,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 683 states and 736 transitions. [2024-11-10 18:51:31,959 INFO L78 Accepts]: Start accepts. Automaton has 683 states and 736 transitions. Word has length 255 [2024-11-10 18:51:31,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:31,960 INFO L471 AbstractCegarLoop]: Abstraction has 683 states and 736 transitions. [2024-11-10 18:51:31,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 121 states have (on average 4.743801652892562) internal successors, (574), 119 states have internal predecessors, (574), 39 states have call successors, (39), 37 states have call predecessors, (39), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:31,961 INFO L276 IsEmpty]: Start isEmpty. Operand 683 states and 736 transitions. [2024-11-10 18:51:31,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 449 [2024-11-10 18:51:31,967 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:31,967 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:31,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-10 18:51:32,167 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,SelfDestructingSolverStorable20 [2024-11-10 18:51:32,168 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:32,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:32,168 INFO L85 PathProgramCache]: Analyzing trace with hash -1484085608, now seen corresponding path program 7 times [2024-11-10 18:51:32,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:32,169 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845864863] [2024-11-10 18:51:32,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:32,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:39,958 INFO L134 CoverageAnalysis]: Checked inductivity of 5326 backedges. 2518 proven. 2530 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2024-11-10 18:51:39,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:39,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845864863] [2024-11-10 18:51:39,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845864863] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:39,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1985440070] [2024-11-10 18:51:39,959 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-10 18:51:39,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:39,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:39,960 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 18:51:39,961 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 18:51:40,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:40,239 INFO L255 TraceCheckSpWp]: Trace formula consists of 1389 conjuncts, 140 conjuncts are in the unsatisfiable core [2024-11-10 18:51:40,246 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:51:44,293 INFO L134 CoverageAnalysis]: Checked inductivity of 5326 backedges. 4097 proven. 893 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 18:51:44,293 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:51:46,970 INFO L134 CoverageAnalysis]: Checked inductivity of 5326 backedges. 4097 proven. 893 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-11-10 18:51:46,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1985440070] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:51:46,970 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:51:46,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [101, 101, 101] total 166 [2024-11-10 18:51:46,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724219552] [2024-11-10 18:51:46,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:51:46,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 166 states [2024-11-10 18:51:46,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:51:46,975 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2024-11-10 18:51:46,979 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2538, Invalid=24852, Unknown=0, NotChecked=0, Total=27390 [2024-11-10 18:51:46,980 INFO L87 Difference]: Start difference. First operand 683 states and 736 transitions. Second operand has 166 states, 128 states have (on average 4.609375) internal successors, (590), 125 states have internal predecessors, (590), 41 states have call successors, (43), 42 states have call predecessors, (43), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:51,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:51:51,364 INFO L93 Difference]: Finished difference Result 1415 states and 1539 transitions. [2024-11-10 18:51:51,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-11-10 18:51:51,365 INFO L78 Accepts]: Start accepts. Automaton has has 166 states, 128 states have (on average 4.609375) internal successors, (590), 125 states have internal predecessors, (590), 41 states have call successors, (43), 42 states have call predecessors, (43), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 448 [2024-11-10 18:51:51,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:51:51,369 INFO L225 Difference]: With dead ends: 1415 [2024-11-10 18:51:51,369 INFO L226 Difference]: Without dead ends: 688 [2024-11-10 18:51:51,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1068 GetRequests, 751 SyntacticMatches, 94 SemanticMatches, 223 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25802 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=5938, Invalid=44462, Unknown=0, NotChecked=0, Total=50400 [2024-11-10 18:51:51,376 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1133 mSDsluCounter, 3213 mSDsCounter, 0 mSdLazyCounter, 6755 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1133 SdHoareTripleChecker+Valid, 3365 SdHoareTripleChecker+Invalid, 6756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6755 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-10 18:51:51,376 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1133 Valid, 3365 Invalid, 6756 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6755 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-10 18:51:51,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 688 states. [2024-11-10 18:51:51,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 688 to 688. [2024-11-10 18:51:51,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 688 states, 660 states have (on average 1.0818181818181818) internal successors, (714), 660 states have internal predecessors, (714), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:51,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 688 states and 741 transitions. [2024-11-10 18:51:51,402 INFO L78 Accepts]: Start accepts. Automaton has 688 states and 741 transitions. Word has length 448 [2024-11-10 18:51:51,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:51:51,402 INFO L471 AbstractCegarLoop]: Abstraction has 688 states and 741 transitions. [2024-11-10 18:51:51,403 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 166 states, 128 states have (on average 4.609375) internal successors, (590), 125 states have internal predecessors, (590), 41 states have call successors, (43), 42 states have call predecessors, (43), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:51:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 741 transitions. [2024-11-10 18:51:51,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2024-11-10 18:51:51,410 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:51:51,411 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:51:51,431 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-10 18:51:51,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-10 18:51:51,612 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:51:51,612 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:51:51,612 INFO L85 PathProgramCache]: Analyzing trace with hash -792771400, now seen corresponding path program 8 times [2024-11-10 18:51:51,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:51:51,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590216710] [2024-11-10 18:51:51,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:51:51,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:51:51,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 18:51:59,086 INFO L134 CoverageAnalysis]: Checked inductivity of 5423 backedges. 2751 proven. 2471 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2024-11-10 18:51:59,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 18:51:59,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590216710] [2024-11-10 18:51:59,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590216710] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-10 18:51:59,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864220038] [2024-11-10 18:51:59,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-10 18:51:59,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-10 18:51:59,088 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 18:51:59,089 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-10 18:51:59,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-10 18:51:59,383 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-10 18:51:59,383 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-10 18:51:59,390 INFO L255 TraceCheckSpWp]: Trace formula consists of 1403 conjuncts, 147 conjuncts are in the unsatisfiable core [2024-11-10 18:51:59,398 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 18:52:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 5423 backedges. 4184 proven. 990 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-10 18:52:03,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-10 18:52:06,672 INFO L134 CoverageAnalysis]: Checked inductivity of 5423 backedges. 4184 proven. 990 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2024-11-10 18:52:06,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864220038] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-10 18:52:06,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-10 18:52:06,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [106, 106, 106] total 174 [2024-11-10 18:52:06,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937009848] [2024-11-10 18:52:06,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-10 18:52:06,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 174 states [2024-11-10 18:52:06,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 18:52:06,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2024-11-10 18:52:06,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2780, Invalid=27322, Unknown=0, NotChecked=0, Total=30102 [2024-11-10 18:52:06,681 INFO L87 Difference]: Start difference. First operand 688 states and 741 transitions. Second operand has 174 states, 134 states have (on average 4.619402985074627) internal successors, (619), 131 states have internal predecessors, (619), 43 states have call successors, (45), 44 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 18:52:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 18:52:11,386 INFO L93 Difference]: Finished difference Result 1428 states and 1553 transitions. [2024-11-10 18:52:11,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2024-11-10 18:52:11,387 INFO L78 Accepts]: Start accepts. Automaton has has 174 states, 134 states have (on average 4.619402985074627) internal successors, (619), 131 states have internal predecessors, (619), 43 states have call successors, (45), 44 states have call predecessors, (45), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 453 [2024-11-10 18:52:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 18:52:11,391 INFO L225 Difference]: With dead ends: 1428 [2024-11-10 18:52:11,391 INFO L226 Difference]: Without dead ends: 693 [2024-11-10 18:52:11,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1084 GetRequests, 751 SyntacticMatches, 99 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28521 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=6518, Invalid=48942, Unknown=0, NotChecked=0, Total=55460 [2024-11-10 18:52:11,398 INFO L432 NwaCegarLoop]: 160 mSDtfsCounter, 1341 mSDsluCounter, 3431 mSDsCounter, 0 mSdLazyCounter, 7131 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1341 SdHoareTripleChecker+Valid, 3591 SdHoareTripleChecker+Invalid, 7132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-10 18:52:11,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1341 Valid, 3591 Invalid, 7132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7131 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-10 18:52:11,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2024-11-10 18:52:11,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2024-11-10 18:52:11,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 665 states have (on average 1.081203007518797) internal successors, (719), 665 states have internal predecessors, (719), 27 states have call successors, (27), 27 states have call predecessors, (27), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-10 18:52:11,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 746 transitions. [2024-11-10 18:52:11,425 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 746 transitions. Word has length 453 [2024-11-10 18:52:11,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 18:52:11,425 INFO L471 AbstractCegarLoop]: Abstraction has 693 states and 746 transitions. [2024-11-10 18:52:11,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 174 states, 134 states have (on average 4.619402985074627) internal successors, (619), 131 states have internal predecessors, (619), 43 states have call successors, (45), 44 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 18:52:11,426 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 746 transitions. [2024-11-10 18:52:11,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2024-11-10 18:52:11,429 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 18:52:11,429 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 27, 27, 27, 26, 26, 26, 26, 26, 26, 26, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 18:52:11,449 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-10 18:52:11,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-11-10 18:52:11,630 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [insertionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, insertionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-10 18:52:11,630 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 18:52:11,630 INFO L85 PathProgramCache]: Analyzing trace with hash 475560600, now seen corresponding path program 9 times [2024-11-10 18:52:11,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 18:52:11,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225005731] [2024-11-10 18:52:11,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 18:52:11,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 18:52:11,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat