./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-recursive-malloc/selectionSort_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 ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:24:46,777 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:24:46,844 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-09 11:24:46,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:24:46,851 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:24:46,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:24:46,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:24:46,876 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:24:46,877 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:24:46,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:24:46,880 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:24:46,880 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:24:46,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:24:46,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:24:46,881 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:24:46,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:24:46,883 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:24:46,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:24:46,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:24:46,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:24:46,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:24:46,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:24:46,887 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:24:46,887 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:24:46,887 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:24:46,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:24:46,887 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:24:46,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:24:46,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:24:46,888 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:24:46,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:24:46,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:24:46,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:24:46,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:24:46,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:24:46,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:24:46,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:24:46,890 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:24:46,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:24:46,891 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:24:46,898 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:24:46,899 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2024-11-09 11:24:47,113 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:24:47,134 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:24:47,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:24:47,138 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:24:47,139 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:24:47,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2024-11-09 11:24:48,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:24:48,611 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:24:48,611 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2024-11-09 11:24:48,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ae082d43/cf4f68b8db4a404db83c27bae44022a1/FLAG416a2e4f2 [2024-11-09 11:24:48,634 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ae082d43/cf4f68b8db4a404db83c27bae44022a1 [2024-11-09 11:24:48,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:24:48,638 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:24:48,639 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:24:48,641 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:24:48,645 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:24:48,646 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,647 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@502b6fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48, skipping insertion in model container [2024-11-09 11:24:48,647 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:24:48,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:24:48,832 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:24:48,846 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:24:48,858 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:24:48,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48 WrapperNode [2024-11-09 11:24:48,859 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:24:48,860 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:24:48,860 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:24:48,860 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:24:48,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,890 INFO L138 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2024-11-09 11:24:48,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:24:48,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:24:48,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:24:48,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:24:48,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,901 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,916 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 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]. [2024-11-09 11:24:48,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,917 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,924 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:24:48,927 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:24:48,927 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:24:48,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:24:48,929 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (1/1) ... [2024-11-09 11:24:48,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:24:48,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:48,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:24:48,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:24:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-09 11:24:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 11:24:48,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:24:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:24:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-09 11:24:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2024-11-09 11:24:49,000 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2024-11-09 11:24:49,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 11:24:49,059 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:24:49,061 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:24:49,202 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-09 11:24:49,203 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:24:49,213 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:24:49,213 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:24:49,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:24:49 BoogieIcfgContainer [2024-11-09 11:24:49,214 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:24:49,215 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:24:49,216 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:24:49,218 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:24:49,218 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:24:48" (1/3) ... [2024-11-09 11:24:49,219 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dad0fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:24:49, skipping insertion in model container [2024-11-09 11:24:49,219 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:24:48" (2/3) ... [2024-11-09 11:24:49,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dad0fbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:24:49, skipping insertion in model container [2024-11-09 11:24:49,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:24:49" (3/3) ... [2024-11-09 11:24:49,221 INFO L112 eAbstractionObserver]: Analyzing ICFG selectionSort_recursive.i [2024-11-09 11:24:49,235 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:24:49,235 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 10 error locations. [2024-11-09 11:24:49,289 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:24:49,295 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;@4965543b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:24:49,295 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-11-09 11:24:49,303 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 37 states have internal predecessors, (43), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-09 11:24:49,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 11:24:49,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:49,310 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-09 11:24:49,312 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:49,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:49,317 INFO L85 PathProgramCache]: Analyzing trace with hash 889574220, now seen corresponding path program 1 times [2024-11-09 11:24:49,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:49,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478488072] [2024-11-09 11:24:49,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:49,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:49,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:49,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:49,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478488072] [2024-11-09 11:24:49,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478488072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:49,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:49,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:24:49,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205482670] [2024-11-09 11:24:49,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:49,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:24:49,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:49,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:24:49,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:24:49,561 INFO L87 Difference]: Start difference. First operand has 40 states, 26 states have (on average 1.6538461538461537) internal successors, (43), 37 states have internal predecessors, (43), 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) [2024-11-09 11:24:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:49,630 INFO L93 Difference]: Finished difference Result 77 states and 92 transitions. [2024-11-09 11:24:49,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:24:49,633 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 [2024-11-09 11:24:49,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:49,639 INFO L225 Difference]: With dead ends: 77 [2024-11-09 11:24:49,639 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 11:24:49,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:24:49,647 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 112 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 [2024-11-09 11:24:49,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 112 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:49,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 11:24:49,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 11:24:49,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 36 states have internal predecessors, (40), 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) [2024-11-09 11:24:49,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2024-11-09 11:24:49,681 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 6 [2024-11-09 11:24:49,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:49,682 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2024-11-09 11:24:49,682 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) [2024-11-09 11:24:49,683 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2024-11-09 11:24:49,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 11:24:49,683 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:49,684 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:49,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:24:49,684 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:49,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:49,685 INFO L85 PathProgramCache]: Analyzing trace with hash 180778650, now seen corresponding path program 1 times [2024-11-09 11:24:49,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:49,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067311959] [2024-11-09 11:24:49,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:49,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:49,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:49,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:49,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067311959] [2024-11-09 11:24:49,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067311959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:49,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:49,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:24:49,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042176296] [2024-11-09 11:24:49,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:49,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:24:49,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:49,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:24:49,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:24:49,767 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:49,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:49,789 INFO L93 Difference]: Finished difference Result 63 states and 69 transitions. [2024-11-09 11:24:49,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:24:49,789 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 11:24:49,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:49,791 INFO L225 Difference]: With dead ends: 63 [2024-11-09 11:24:49,792 INFO L226 Difference]: Without dead ends: 38 [2024-11-09 11:24:49,793 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 [2024-11-09 11:24:49,794 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:49,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 65 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:49,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-09 11:24:49,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-09 11:24:49,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.5) internal successors, (39), 36 states have internal predecessors, (39), 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) [2024-11-09 11:24:49,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 41 transitions. [2024-11-09 11:24:49,804 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 41 transitions. Word has length 8 [2024-11-09 11:24:49,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:49,805 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 41 transitions. [2024-11-09 11:24:49,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 41 transitions. [2024-11-09 11:24:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 11:24:49,806 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:49,806 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:49,807 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:24:49,807 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:49,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:49,808 INFO L85 PathProgramCache]: Analyzing trace with hash -869586168, now seen corresponding path program 1 times [2024-11-09 11:24:49,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:49,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461296104] [2024-11-09 11:24:49,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:49,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:49,948 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:49,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:49,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461296104] [2024-11-09 11:24:49,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461296104] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:49,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2022738477] [2024-11-09 11:24:49,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:49,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:49,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:49,956 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:49,957 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:24:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:50,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:24:50,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:50,066 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:24:50,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2022738477] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:50,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:24:50,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-09 11:24:50,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673317653] [2024-11-09 11:24:50,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:50,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:24:50,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:50,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:24:50,070 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:24:50,071 INFO L87 Difference]: Start difference. First operand 38 states and 41 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:50,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:50,101 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2024-11-09 11:24:50,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:24:50,102 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-09 11:24:50,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:50,105 INFO L225 Difference]: With dead ends: 38 [2024-11-09 11:24:50,105 INFO L226 Difference]: Without dead ends: 37 [2024-11-09 11:24:50,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:24:50,107 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 1 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 86 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 [2024-11-09 11:24:50,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 86 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:50,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-09 11:24:50,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-09 11:24:50,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 35 states have internal predecessors, (38), 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) [2024-11-09 11:24:50,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 40 transitions. [2024-11-09 11:24:50,111 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 40 transitions. Word has length 10 [2024-11-09 11:24:50,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:50,111 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 40 transitions. [2024-11-09 11:24:50,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:50,112 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 40 transitions. [2024-11-09 11:24:50,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 11:24:50,112 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:50,112 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:50,129 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:24:50,316 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 [2024-11-09 11:24:50,319 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:50,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:50,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1844760406, now seen corresponding path program 1 times [2024-11-09 11:24:50,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:50,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957895482] [2024-11-09 11:24:50,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:50,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:50,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:50,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:24:50,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:50,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957895482] [2024-11-09 11:24:50,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957895482] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:50,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:50,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:24:50,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714345268] [2024-11-09 11:24:50,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:50,389 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:24:50,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:50,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:24:50,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:24:50,390 INFO L87 Difference]: Start difference. First operand 37 states and 40 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2024-11-09 11:24:50,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:50,428 INFO L93 Difference]: Finished difference Result 37 states and 40 transitions. [2024-11-09 11:24:50,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:24:50,428 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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 [2024-11-09 11:24:50,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:50,429 INFO L225 Difference]: With dead ends: 37 [2024-11-09 11:24:50,430 INFO L226 Difference]: Without dead ends: 36 [2024-11-09 11:24:50,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:24:50,432 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 45 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:50,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 61 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-09 11:24:50,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2024-11-09 11:24:50,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 34 states have internal predecessors, (37), 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) [2024-11-09 11:24:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-11-09 11:24:50,440 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 12 [2024-11-09 11:24:50,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:50,440 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-11-09 11:24:50,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 4 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) [2024-11-09 11:24:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-11-09 11:24:50,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 11:24:50,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:50,441 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1] [2024-11-09 11:24:50,441 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 11:24:50,441 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:50,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:50,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1187367381, now seen corresponding path program 1 times [2024-11-09 11:24:50,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:50,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630505283] [2024-11-09 11:24:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:50,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:50,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:50,509 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:50,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:50,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630505283] [2024-11-09 11:24:50,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630505283] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:50,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808315658] [2024-11-09 11:24:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:50,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:50,510 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:50,511 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:50,520 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:24:50,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:50,553 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:24:50,554 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:50,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:50,580 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:50,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808315658] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:50,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:50,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:24:50,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321703566] [2024-11-09 11:24:50,631 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:50,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:24:50,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:50,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:24:50,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:24:50,632 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:50,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:50,692 INFO L93 Difference]: Finished difference Result 49 states and 57 transitions. [2024-11-09 11:24:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:24:50,692 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 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 [2024-11-09 11:24:50,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:50,693 INFO L225 Difference]: With dead ends: 49 [2024-11-09 11:24:50,693 INFO L226 Difference]: Without dead ends: 48 [2024-11-09 11:24:50,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:24:50,696 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:50,696 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:50,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-09 11:24:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-09 11:24:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 38 states have (on average 1.368421052631579) internal successors, (52), 46 states have internal predecessors, (52), 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) [2024-11-09 11:24:50,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2024-11-09 11:24:50,705 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 11 [2024-11-09 11:24:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:50,706 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2024-11-09 11:24:50,706 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.272727272727273) internal successors, (25), 12 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2024-11-09 11:24:50,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 11:24:50,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:50,707 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:50,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-09 11:24:50,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:50,908 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting selectionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:50,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:50,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1352997803, now seen corresponding path program 1 times [2024-11-09 11:24:50,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:50,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61909343] [2024-11-09 11:24:50,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:50,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:50,988 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:50,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:50,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61909343] [2024-11-09 11:24:50,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61909343] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:50,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789086509] [2024-11-09 11:24:50,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:50,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:50,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:50,990 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:50,991 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:24:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:51,025 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:24:51,025 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:51,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:24:51,071 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:24:51,071 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789086509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:51,071 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:24:51,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7] total 10 [2024-11-09 11:24:51,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656414331] [2024-11-09 11:24:51,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:51,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:24:51,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:51,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:24:51,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:24:51,072 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:51,109 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2024-11-09 11:24:51,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:24:51,110 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-09 11:24:51,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:51,111 INFO L225 Difference]: With dead ends: 48 [2024-11-09 11:24:51,111 INFO L226 Difference]: Without dead ends: 47 [2024-11-09 11:24:51,111 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:24:51,112 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 43 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:51,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 58 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:51,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-09 11:24:51,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-09 11:24:51,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 45 states have internal predecessors, (51), 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) [2024-11-09 11:24:51,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 53 transitions. [2024-11-09 11:24:51,119 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 53 transitions. Word has length 13 [2024-11-09 11:24:51,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:51,120 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 53 transitions. [2024-11-09 11:24:51,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,120 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 53 transitions. [2024-11-09 11:24:51,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:24:51,120 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:51,120 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:51,133 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:24:51,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:51,323 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting selectionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:51,323 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:51,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1144199795, now seen corresponding path program 1 times [2024-11-09 11:24:51,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:51,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184151500] [2024-11-09 11:24:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:51,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:51,359 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 11:24:51,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:51,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184151500] [2024-11-09 11:24:51,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184151500] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:51,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:51,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:24:51,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083373244] [2024-11-09 11:24:51,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:51,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:24:51,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:51,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:24:51,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:24:51,361 INFO L87 Difference]: Start difference. First operand 47 states and 53 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:51,412 INFO L93 Difference]: Finished difference Result 68 states and 76 transitions. [2024-11-09 11:24:51,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:24:51,414 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 15 [2024-11-09 11:24:51,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:51,414 INFO L225 Difference]: With dead ends: 68 [2024-11-09 11:24:51,414 INFO L226 Difference]: Without dead ends: 64 [2024-11-09 11:24:51,415 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:24:51,415 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 32 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:51,415 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 80 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:51,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-09 11:24:51,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2024-11-09 11:24:51,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.3269230769230769) internal successors, (69), 58 states have internal predecessors, (69), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 71 transitions. [2024-11-09 11:24:51,426 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 71 transitions. Word has length 15 [2024-11-09 11:24:51,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:51,428 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 71 transitions. [2024-11-09 11:24:51,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,428 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 71 transitions. [2024-11-09 11:24:51,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 11:24:51,428 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:51,429 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:51,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:24:51,429 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting selectionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:51,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:51,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2118145729, now seen corresponding path program 1 times [2024-11-09 11:24:51,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:51,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506474183] [2024-11-09 11:24:51,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:51,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:51,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:51,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:51,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:51,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506474183] [2024-11-09 11:24:51,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1506474183] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:51,540 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1510203864] [2024-11-09 11:24:51,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:51,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:51,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:51,542 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:51,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:24:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:51,600 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:24:51,602 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:51,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:51,683 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:51,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:51,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1510203864] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:51,763 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:51,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-09 11:24:51,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680921754] [2024-11-09 11:24:51,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:51,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-09 11:24:51,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:51,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-09 11:24:51,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:24:51,765 INFO L87 Difference]: Start difference. First operand 61 states and 71 transitions. Second operand has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:51,843 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2024-11-09 11:24:51,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:24:51,843 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20 [2024-11-09 11:24:51,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:51,844 INFO L225 Difference]: With dead ends: 98 [2024-11-09 11:24:51,844 INFO L226 Difference]: Without dead ends: 61 [2024-11-09 11:24:51,845 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:24:51,845 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 4 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:51,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 203 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:51,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2024-11-09 11:24:51,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2024-11-09 11:24:51,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 58 states have internal predecessors, (68), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2024-11-09 11:24:51,850 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 20 [2024-11-09 11:24:51,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:51,851 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2024-11-09 11:24:51,851 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.2857142857142856) internal successors, (32), 11 states have internal predecessors, (32), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:51,851 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2024-11-09 11:24:51,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:24:51,851 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:51,852 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] [2024-11-09 11:24:51,866 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:24:52,052 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:52,052 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting selectionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:52,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:52,053 INFO L85 PathProgramCache]: Analyzing trace with hash -1092389507, now seen corresponding path program 2 times [2024-11-09 11:24:52,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:52,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679762067] [2024-11-09 11:24:52,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:52,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:52,102 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:24:52,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:52,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679762067] [2024-11-09 11:24:52,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679762067] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:52,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:52,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:24:52,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842320270] [2024-11-09 11:24:52,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:52,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:24:52,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:52,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:24:52,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:24:52,104 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:52,163 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2024-11-09 11:24:52,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:24:52,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-09 11:24:52,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:52,164 INFO L225 Difference]: With dead ends: 64 [2024-11-09 11:24:52,164 INFO L226 Difference]: Without dead ends: 63 [2024-11-09 11:24:52,165 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 [2024-11-09 11:24:52,165 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 31 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:52,165 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 110 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:52,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-09 11:24:52,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2024-11-09 11:24:52,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 52 states have (on average 1.2884615384615385) internal successors, (67), 58 states have internal predecessors, (67), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 69 transitions. [2024-11-09 11:24:52,173 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 69 transitions. Word has length 24 [2024-11-09 11:24:52,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:52,174 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 69 transitions. [2024-11-09 11:24:52,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 69 transitions. [2024-11-09 11:24:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-09 11:24:52,175 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:52,175 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1, 1] [2024-11-09 11:24:52,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:24:52,176 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:52,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1327625865, now seen corresponding path program 2 times [2024-11-09 11:24:52,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:52,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403272357] [2024-11-09 11:24:52,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:52,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:52,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:52,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403272357] [2024-11-09 11:24:52,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403272357] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:52,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692000611] [2024-11-09 11:24:52,284 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:24:52,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:52,284 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:52,286 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:52,288 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:24:52,327 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:24:52,328 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:24:52,328 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:24:52,329 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:52,385 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:24:52,385 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:52,435 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-09 11:24:52,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692000611] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:52,435 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:52,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2024-11-09 11:24:52,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852029816] [2024-11-09 11:24:52,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:52,436 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-09 11:24:52,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:52,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-09 11:24:52,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:24:52,437 INFO L87 Difference]: Start difference. First operand 61 states and 69 transitions. Second operand has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:52,585 INFO L93 Difference]: Finished difference Result 66 states and 77 transitions. [2024-11-09 11:24:52,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:24:52,585 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 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 23 [2024-11-09 11:24:52,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:52,586 INFO L225 Difference]: With dead ends: 66 [2024-11-09 11:24:52,586 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 11:24:52,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 114 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2024-11-09 11:24:52,587 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:52,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 256 Invalid, 68 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:52,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 11:24:52,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 49. [2024-11-09 11:24:52,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 41 states have (on average 1.2926829268292683) internal successors, (53), 46 states have internal predecessors, (53), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2024-11-09 11:24:52,596 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 23 [2024-11-09 11:24:52,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:52,596 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2024-11-09 11:24:52,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 2.357142857142857) internal successors, (33), 15 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:52,596 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-09 11:24:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 11:24:52,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:52,596 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] [2024-11-09 11:24:52,609 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-09 11:24:52,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-09 11:24:52,797 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting selectionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:52,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:52,798 INFO L85 PathProgramCache]: Analyzing trace with hash 495663743, now seen corresponding path program 1 times [2024-11-09 11:24:52,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:52,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2082108774] [2024-11-09 11:24:52,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:52,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:52,888 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:52,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:52,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2082108774] [2024-11-09 11:24:52,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2082108774] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:52,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817556350] [2024-11-09 11:24:52,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:52,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:52,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:52,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:52,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:24:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:52,932 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:24:52,933 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:52,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:24:52,983 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:24:52,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817556350] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:52,983 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:24:52,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 13 [2024-11-09 11:24:52,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624002073] [2024-11-09 11:24:52,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:52,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:24:52,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:52,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:24:52,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:24:52,985 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:53,049 INFO L93 Difference]: Finished difference Result 57 states and 64 transitions. [2024-11-09 11:24:53,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:24:53,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-11-09 11:24:53,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:53,050 INFO L225 Difference]: With dead ends: 57 [2024-11-09 11:24:53,050 INFO L226 Difference]: Without dead ends: 56 [2024-11-09 11:24:53,051 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:24:53,051 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 44 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:53,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 107 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:53,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-09 11:24:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 54. [2024-11-09 11:24:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 46 states have (on average 1.3043478260869565) internal successors, (60), 51 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:53,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-09 11:24:53,055 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 25 [2024-11-09 11:24:53,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:53,056 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-09 11:24:53,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:53,056 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-09 11:24:53,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:24:53,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:53,057 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] [2024-11-09 11:24:53,069 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-09 11:24:53,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:53,261 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting selectionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:53,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:53,261 INFO L85 PathProgramCache]: Analyzing trace with hash -1221256765, now seen corresponding path program 1 times [2024-11-09 11:24:53,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:53,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1808576426] [2024-11-09 11:24:53,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:53,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:53,383 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:53,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1808576426] [2024-11-09 11:24:53,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1808576426] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:53,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [892166425] [2024-11-09 11:24:53,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:53,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:53,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:53,385 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:53,386 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:24:53,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:53,429 INFO L255 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-09 11:24:53,430 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:53,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:53,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [892166425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:53,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:53,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 17 [2024-11-09 11:24:53,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655175156] [2024-11-09 11:24:53,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:53,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-09 11:24:53,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:53,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-09 11:24:53,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2024-11-09 11:24:53,621 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 14 states have internal predecessors, (47), 2 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) [2024-11-09 11:24:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:53,849 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2024-11-09 11:24:53,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 11:24:53,849 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 14 states have internal predecessors, (47), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-09 11:24:53,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:53,850 INFO L225 Difference]: With dead ends: 81 [2024-11-09 11:24:53,850 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 11:24:53,850 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 49 SyntacticMatches, 4 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=417, Unknown=0, NotChecked=0, Total=506 [2024-11-09 11:24:53,851 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 116 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:53,851 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 110 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:53,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 11:24:53,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2024-11-09 11:24:53,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 47 states have (on average 1.2765957446808511) internal successors, (60), 52 states have internal predecessors, (60), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:53,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-11-09 11:24:53,856 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 30 [2024-11-09 11:24:53,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:53,856 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-11-09 11:24:53,856 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.764705882352941) internal successors, (47), 14 states have internal predecessors, (47), 2 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) [2024-11-09 11:24:53,856 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-11-09 11:24:53,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-09 11:24:53,857 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:53,857 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] [2024-11-09 11:24:53,870 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:24:54,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:54,058 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting selectionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:54,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:54,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2008904056, now seen corresponding path program 1 times [2024-11-09 11:24:54,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:54,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275041349] [2024-11-09 11:24:54,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:54,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:54,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:54,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275041349] [2024-11-09 11:24:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1275041349] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:54,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1269206856] [2024-11-09 11:24:54,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:54,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:54,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:54,184 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:54,185 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:24:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:54,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:24:54,231 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:54,368 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:54,481 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:54,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1269206856] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:54,482 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:54,482 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2024-11-09 11:24:54,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349283438] [2024-11-09 11:24:54,482 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:54,482 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-09 11:24:54,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:54,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-09 11:24:54,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2024-11-09 11:24:54,483 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:54,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:54,741 INFO L93 Difference]: Finished difference Result 125 states and 147 transitions. [2024-11-09 11:24:54,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-09 11:24:54,742 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2024-11-09 11:24:54,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:54,742 INFO L225 Difference]: With dead ends: 125 [2024-11-09 11:24:54,743 INFO L226 Difference]: Without dead ends: 95 [2024-11-09 11:24:54,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 43 SyntacticMatches, 8 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 245 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=168, Invalid=762, Unknown=0, NotChecked=0, Total=930 [2024-11-09 11:24:54,744 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 122 mSDsluCounter, 180 mSDsCounter, 0 mSdLazyCounter, 334 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 334 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:54,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 193 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 334 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:54,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-09 11:24:54,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 88. [2024-11-09 11:24:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 78 states have (on average 1.2179487179487178) internal successors, (95), 83 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) [2024-11-09 11:24:54,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 99 transitions. [2024-11-09 11:24:54,750 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 99 transitions. Word has length 30 [2024-11-09 11:24:54,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:54,751 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 99 transitions. [2024-11-09 11:24:54,751 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.3636363636363638) internal successors, (52), 19 states have internal predecessors, (52), 1 states have call successors, (3), 3 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:54,751 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 99 transitions. [2024-11-09 11:24:54,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-09 11:24:54,752 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:54,752 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:54,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-09 11:24:54,952 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-09 11:24:54,953 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting selectionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:54,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:54,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1383705292, now seen corresponding path program 2 times [2024-11-09 11:24:54,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:54,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657328519] [2024-11-09 11:24:54,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:54,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:54,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:24:55,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:55,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657328519] [2024-11-09 11:24:55,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657328519] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:55,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246069073] [2024-11-09 11:24:55,021 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:24:55,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:55,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:55,023 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:55,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:24:55,066 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-09 11:24:55,066 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:24:55,067 INFO L255 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:24:55,068 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:55,130 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:24:55,130 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-09 11:24:55,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246069073] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:55,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:55,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 12 [2024-11-09 11:24:55,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659146672] [2024-11-09 11:24:55,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:55,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:24:55,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:55,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:24:55,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:24:55,195 INFO L87 Difference]: Start difference. First operand 88 states and 99 transitions. Second operand has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:55,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:55,373 INFO L93 Difference]: Finished difference Result 100 states and 115 transitions. [2024-11-09 11:24:55,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-09 11:24:55,374 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 34 [2024-11-09 11:24:55,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:55,374 INFO L225 Difference]: With dead ends: 100 [2024-11-09 11:24:55,374 INFO L226 Difference]: Without dead ends: 65 [2024-11-09 11:24:55,375 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 58 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=417, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:24:55,375 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 132 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 163 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 132 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 163 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:55,375 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [132 Valid, 105 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 163 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:55,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2024-11-09 11:24:55,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 54. [2024-11-09 11:24:55,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 47 states have (on average 1.2127659574468086) internal successors, (57), 51 states have internal predecessors, (57), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:55,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2024-11-09 11:24:55,379 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 34 [2024-11-09 11:24:55,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:55,379 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-11-09 11:24:55,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.083333333333333) internal successors, (49), 11 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:55,379 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-11-09 11:24:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-09 11:24:55,380 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:55,380 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:55,396 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:24:55,584 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:24:55,585 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting selectionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:55,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:55,585 INFO L85 PathProgramCache]: Analyzing trace with hash 2130143278, now seen corresponding path program 1 times [2024-11-09 11:24:55,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:55,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142512832] [2024-11-09 11:24:55,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:55,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:55,763 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:55,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:55,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142512832] [2024-11-09 11:24:55,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [142512832] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:55,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342994667] [2024-11-09 11:24:55,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:55,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:55,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:55,766 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:55,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:24:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:55,817 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:24:55,819 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:55,937 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:55,937 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:56,067 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:24:56,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342994667] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:56,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:56,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-09 11:24:56,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552071326] [2024-11-09 11:24:56,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:56,068 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-09 11:24:56,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:56,069 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-09 11:24:56,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:24:56,069 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 25 states, 25 states have (on average 2.64) internal successors, (66), 22 states have internal predecessors, (66), 2 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) [2024-11-09 11:24:56,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:56,346 INFO L93 Difference]: Finished difference Result 86 states and 96 transitions. [2024-11-09 11:24:56,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:24:56,347 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 22 states have internal predecessors, (66), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 39 [2024-11-09 11:24:56,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:56,347 INFO L225 Difference]: With dead ends: 86 [2024-11-09 11:24:56,347 INFO L226 Difference]: Without dead ends: 62 [2024-11-09 11:24:56,348 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 61 SyntacticMatches, 6 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=850, Unknown=0, NotChecked=0, Total=992 [2024-11-09 11:24:56,348 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 111 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 492 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 111 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 495 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 492 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:56,348 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [111 Valid, 171 Invalid, 495 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 492 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:24:56,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-09 11:24:56,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2024-11-09 11:24:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 56 states have internal predecessors, (63), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:56,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 65 transitions. [2024-11-09 11:24:56,353 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 65 transitions. Word has length 39 [2024-11-09 11:24:56,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:56,353 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 65 transitions. [2024-11-09 11:24:56,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 2.64) internal successors, (66), 22 states have internal predecessors, (66), 2 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) [2024-11-09 11:24:56,353 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 65 transitions. [2024-11-09 11:24:56,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-09 11:24:56,354 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:56,354 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:56,375 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:24:56,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:24:56,555 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting selectionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:56,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:56,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1290818271, now seen corresponding path program 2 times [2024-11-09 11:24:56,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:56,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147256435] [2024-11-09 11:24:56,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:24:56,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:56,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147256435] [2024-11-09 11:24:56,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147256435] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:56,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001466142] [2024-11-09 11:24:56,619 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-09 11:24:56,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:56,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:56,621 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:56,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:24:56,677 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-09 11:24:56,677 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-09 11:24:56,678 INFO L255 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:24:56,679 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:24:56,725 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:24:56,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001466142] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:56,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:24:56,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-09 11:24:56,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497320873] [2024-11-09 11:24:56,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:56,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:24:56,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:56,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:24:56,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-09 11:24:56,727 INFO L87 Difference]: Start difference. First operand 59 states and 65 transitions. Second operand has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:56,748 INFO L93 Difference]: Finished difference Result 59 states and 65 transitions. [2024-11-09 11:24:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:24:56,748 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 44 [2024-11-09 11:24:56,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:56,749 INFO L225 Difference]: With dead ends: 59 [2024-11-09 11:24:56,749 INFO L226 Difference]: Without dead ends: 57 [2024-11-09 11:24:56,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:24:56,749 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 34 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:56,749 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 40 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:56,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-11-09 11:24:56,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-11-09 11:24:56,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 52 states have (on average 1.1730769230769231) internal successors, (61), 54 states have internal predecessors, (61), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:56,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2024-11-09 11:24:56,753 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 44 [2024-11-09 11:24:56,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:56,754 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2024-11-09 11:24:56,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:56,754 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2024-11-09 11:24:56,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-09 11:24:56,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:56,755 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:56,771 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-09 11:24:56,958 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,SelfDestructingSolverStorable15 [2024-11-09 11:24:56,959 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting selectionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:56,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:56,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1360660810, now seen corresponding path program 1 times [2024-11-09 11:24:56,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:56,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247616129] [2024-11-09 11:24:56,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:56,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:57,008 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-09 11:24:57,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:57,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1247616129] [2024-11-09 11:24:57,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1247616129] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:24:57,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:24:57,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:24:57,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357016457] [2024-11-09 11:24:57,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:24:57,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:24:57,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:57,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:24:57,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:24:57,010 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:57,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:57,027 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2024-11-09 11:24:57,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:24:57,027 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-11-09 11:24:57,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:57,028 INFO L225 Difference]: With dead ends: 57 [2024-11-09 11:24:57,028 INFO L226 Difference]: Without dead ends: 55 [2024-11-09 11:24:57,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:24:57,029 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 26 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:57,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 44 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:24:57,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-09 11:24:57,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 52. [2024-11-09 11:24:57,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 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) [2024-11-09 11:24:57,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 58 transitions. [2024-11-09 11:24:57,032 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 58 transitions. Word has length 45 [2024-11-09 11:24:57,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:57,033 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 58 transitions. [2024-11-09 11:24:57,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:57,033 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 58 transitions. [2024-11-09 11:24:57,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-09 11:24:57,033 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:24:57,033 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:57,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-09 11:24:57,034 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting selectionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 7 more)] === [2024-11-09 11:24:57,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:24:57,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1222218577, now seen corresponding path program 1 times [2024-11-09 11:24:57,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:24:57,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675810014] [2024-11-09 11:24:57,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:57,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:24:57,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:24:57,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:24:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675810014] [2024-11-09 11:24:57,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675810014] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:24:57,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821765876] [2024-11-09 11:24:57,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:24:57,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:24:57,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:24:57,108 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:24:57,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:24:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:24:57,162 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-09 11:24:57,163 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:24:57,224 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:24:57,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:24:57,296 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:24:57,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821765876] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:24:57,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:24:57,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 17 [2024-11-09 11:24:57,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128439123] [2024-11-09 11:24:57,297 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:24:57,298 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:24:57,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:24:57,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:24:57,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:24:57,298 INFO L87 Difference]: Start difference. First operand 52 states and 58 transitions. Second operand has 18 states, 17 states have (on average 4.705882352941177) internal successors, (80), 14 states have internal predecessors, (80), 4 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) [2024-11-09 11:24:57,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:24:57,411 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions. [2024-11-09 11:24:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:24:57,411 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 4.705882352941177) internal successors, (80), 14 states have internal predecessors, (80), 4 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 49 [2024-11-09 11:24:57,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:24:57,411 INFO L225 Difference]: With dead ends: 56 [2024-11-09 11:24:57,411 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:24:57,412 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=420, Unknown=0, NotChecked=0, Total=552 [2024-11-09 11:24:57,412 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 96 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:24:57,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 129 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:24:57,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:24:57,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:24:57,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:24:57,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:24:57,413 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 49 [2024-11-09 11:24:57,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:24:57,413 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:24:57,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 4.705882352941177) internal successors, (80), 14 states have internal predecessors, (80), 4 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) [2024-11-09 11:24:57,413 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:24:57,413 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:24:57,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining) [2024-11-09 11:24:57,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining) [2024-11-09 11:24:57,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining) [2024-11-09 11:24:57,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining) [2024-11-09 11:24:57,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location selectionSortErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining) [2024-11-09 11:24:57,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-09 11:24:57,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:24:57,620 INFO L407 BasicCegarLoop]: Path program histogram: [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:24:57,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:24:58,248 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 11:24:58,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 11:24:58 BoogieIcfgContainer [2024-11-09 11:24:58,268 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 11:24:58,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 11:24:58,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 11:24:58,269 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 11:24:58,269 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:24:49" (3/4) ... [2024-11-09 11:24:58,271 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 11:24:58,273 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure selectionSort [2024-11-09 11:24:58,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-09 11:24:58,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-09 11:24:58,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-09 11:24:58,276 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 11:24:58,293 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(size) <= 2147483647) && (2 <= \old(size))) && (\old(startIndex) == 0)) || ((\old(size) <= 2147483647) && (1 <= \old(startIndex)))) && (((((size <= 2147483647) && (2 <= index)) && (1 <= startIndex)) && (((long) startIndex + 2) <= size)) || (\old(startIndex) < 1))) && ((2 < \old(size)) || ((size == 2) && (startIndex == 0)))) && (((\old(size) < 3) || (\old(startIndex) != 0)) || ((((1 <= index) && (size <= 2147483647)) && (3 <= size)) && (startIndex == 0)))) && (((2 < \old(size)) || (index == 2)) || (index == 1))) [2024-11-09 11:24:58,301 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((\old(size) <= 2147483647) && (2 <= \old(size))) && (\old(startIndex) == 0)) || ((\old(size) <= 2147483647) && (1 <= \old(startIndex)))) && (((((size <= 2147483647) && (2 <= index)) && (1 <= startIndex)) && (((long) startIndex + 2) <= size)) || (\old(startIndex) < 1))) && ((2 < \old(size)) || ((size == 2) && (startIndex == 0)))) && (((\old(size) < 3) || (\old(startIndex) != 0)) || ((((1 <= index) && (size <= 2147483647)) && (3 <= size)) && (startIndex == 0)))) && (((2 < \old(size)) || (index == 2)) || (index == 1))) [2024-11-09 11:24:58,337 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-09 11:24:58,337 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-09 11:24:58,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 11:24:58,338 INFO L158 Benchmark]: Toolchain (without parser) took 9700.40ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 118.9MB in the beginning and 164.7MB in the end (delta: -45.8MB). Peak memory consumption was 52.1MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,338 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 174.1MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 11:24:58,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.04ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 106.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.09ms. Allocated memory is still 174.1MB. Free memory was 106.8MB in the beginning and 105.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,339 INFO L158 Benchmark]: Boogie Preprocessor took 35.17ms. Allocated memory is still 174.1MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,339 INFO L158 Benchmark]: RCFGBuilder took 286.53ms. Allocated memory is still 174.1MB. Free memory was 103.1MB in the beginning and 90.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,339 INFO L158 Benchmark]: TraceAbstraction took 9052.72ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 89.6MB in the beginning and 170.0MB in the end (delta: -80.4MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,339 INFO L158 Benchmark]: Witness Printer took 69.05ms. Allocated memory is still 270.5MB. Free memory was 170.0MB in the beginning and 164.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-09 11:24:58,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 174.1MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 220.04ms. Allocated memory is still 174.1MB. Free memory was 118.5MB in the beginning and 106.8MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.09ms. Allocated memory is still 174.1MB. Free memory was 106.8MB in the beginning and 105.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.17ms. Allocated memory is still 174.1MB. Free memory was 105.2MB in the beginning and 103.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 286.53ms. Allocated memory is still 174.1MB. Free memory was 103.1MB in the beginning and 90.1MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 9052.72ms. Allocated memory was 174.1MB in the beginning and 270.5MB in the end (delta: 96.5MB). Free memory was 89.6MB in the beginning and 170.0MB in the end (delta: -80.4MB). Peak memory consumption was 73.9MB. Max. memory is 16.1GB. * Witness Printer took 69.05ms. Allocated memory is still 270.5MB. Free memory was 170.0MB in the beginning and 164.7MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 40 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 8.3s, OverallIterations: 18, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 845 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 845 mSDsluCounter, 2153 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1739 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1987 IncrementalHoareTripleChecker+Invalid, 2022 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 414 mSDtfsCounter, 1987 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 736 GetRequests, 477 SyntacticMatches, 28 SemanticMatches, 231 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 789 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=13, InterpolantAutomatonStates: 155, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 49 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 766 NumberOfCodeBlocks, 733 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 964 ConstructedInterpolants, 0 QuantifiedInterpolants, 2722 SizeOfPredicates, 32 NumberOfNonLiveVariables, 1082 ConjunctsInSsa, 86 ConjunctsInUnsatCore, 38 InterpolantComputations, 10 PerfectInterpolantSequences, 336/545 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 10 specifications checked. All of them hold - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: ((((((((\old(size) <= 2147483647) && (2 <= \old(size))) && (\old(startIndex) == 0)) || ((\old(size) <= 2147483647) && (1 <= \old(startIndex)))) && (((((size <= 2147483647) && (2 <= index)) && (1 <= startIndex)) && (((long) startIndex + 2) <= size)) || (\old(startIndex) < 1))) && ((2 < \old(size)) || ((size == 2) && (startIndex == 0)))) && (((\old(size) < 3) || (\old(startIndex) != 0)) || ((((1 <= index) && (size <= 2147483647)) && (3 <= size)) && (startIndex == 0)))) && (((2 < \old(size)) || (index == 2)) || (index == 1))) - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((((((n <= 2147483647) && (3 <= n)) && (2 <= i)) || (((n <= 2147483647) && (2 == i)) && (2 <= n))) || (((n <= 2147483647) && (i == 1)) && (1 <= n))) || (((n <= 2147483647) && (i == 0)) && (1 <= n))) - ProcedureContractResult [Line: 9]: Procedure Contract for selectionSort Derived contract for procedure selectionSort. Requires: (((((size <= 2147483647) && (2 <= size)) && (startIndex == 0)) || ((size == 1) && (startIndex == 0))) || (((size <= 2147483647) && (1 <= size)) && (1 <= startIndex))) Ensures: (((((size <= 2147483647) && (2 <= size)) && (startIndex == 0)) || ((size == 1) && (startIndex == 0))) || (((size <= 2147483647) && (1 <= size)) && (1 <= startIndex))) RESULT: Ultimate proved your program to be correct! [2024-11-09 11:24:58,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE