./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-memsafety/array03-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-memsafety/array03-alloca-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 03:50:44,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 03:50:44,591 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 03:50:44,597 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 03:50:44,597 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 03:50:44,618 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 03:50:44,619 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 03:50:44,620 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 03:50:44,620 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 03:50:44,621 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 03:50:44,622 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 03:50:44,622 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 03:50:44,623 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 03:50:44,623 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 03:50:44,624 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 03:50:44,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 03:50:44,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 03:50:44,625 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 03:50:44,625 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 03:50:44,625 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 03:50:44,628 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 03:50:44,628 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 03:50:44,629 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 03:50:44,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 03:50:44,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 03:50:44,630 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 03:50:44,630 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 03:50:44,630 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 03:50:44,630 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:50:44,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 03:50:44,631 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 03:50:44,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 03:50:44,632 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 03:50:44,632 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 03:50:44,632 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 00a8f866e26c2e2f6efeb25e7ec6952d97cdca88cd5ba8f7afdfeeef8678b95c [2024-11-17 03:50:44,816 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 03:50:44,838 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 03:50:44,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 03:50:44,841 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 03:50:44,841 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 03:50:44,842 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2024-11-17 03:50:46,042 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 03:50:46,211 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 03:50:46,211 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-memsafety/array03-alloca-2.i [2024-11-17 03:50:46,223 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e888a62d1/1a2ff38894554529acf48c33709d9dc5/FLAG49c59e016 [2024-11-17 03:50:46,591 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e888a62d1/1a2ff38894554529acf48c33709d9dc5 [2024-11-17 03:50:46,593 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 03:50:46,594 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 03:50:46,595 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 03:50:46,595 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 03:50:46,599 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 03:50:46,599 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,600 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7112f1d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46, skipping insertion in model container [2024-11-17 03:50:46,600 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,625 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 03:50:46,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:50:46,855 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 03:50:46,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 03:50:46,910 INFO L204 MainTranslator]: Completed translation [2024-11-17 03:50:46,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46 WrapperNode [2024-11-17 03:50:46,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 03:50:46,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 03:50:46,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 03:50:46,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 03:50:46,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,947 INFO L138 Inliner]: procedures = 116, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2024-11-17 03:50:46,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 03:50:46,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 03:50:46,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 03:50:46,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 03:50:46,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,957 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,959 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,967 INFO L175 MemorySlicer]: Split 8 memory accesses to 1 slices as follows [8]. 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]. [2024-11-17 03:50:46,967 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,967 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,971 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 03:50:46,975 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 03:50:46,975 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 03:50:46,975 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 03:50:46,976 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (1/1) ... [2024-11-17 03:50:46,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 03:50:46,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:47,021 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 03:50:47,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 03:50:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-17 03:50:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-17 03:50:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-17 03:50:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-17 03:50:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 03:50:47,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 03:50:47,173 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 03:50:47,175 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 03:50:47,284 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-17 03:50:47,284 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 03:50:47,295 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 03:50:47,295 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 03:50:47,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:50:47 BoogieIcfgContainer [2024-11-17 03:50:47,300 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 03:50:47,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 03:50:47,301 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 03:50:47,304 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 03:50:47,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:50:46" (1/3) ... [2024-11-17 03:50:47,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463cabeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:50:47, skipping insertion in model container [2024-11-17 03:50:47,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:50:46" (2/3) ... [2024-11-17 03:50:47,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@463cabeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:50:47, skipping insertion in model container [2024-11-17 03:50:47,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:50:47" (3/3) ... [2024-11-17 03:50:47,306 INFO L112 eAbstractionObserver]: Analyzing ICFG array03-alloca-2.i [2024-11-17 03:50:47,319 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 03:50:47,319 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2024-11-17 03:50:47,360 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 03:50:47,366 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;@5fdbadb5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 03:50:47,367 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-11-17 03:50:47,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 37 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 03:50:47,376 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:47,377 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:47,378 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:47,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:47,382 INFO L85 PathProgramCache]: Analyzing trace with hash 321925578, now seen corresponding path program 1 times [2024-11-17 03:50:47,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:47,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143091983] [2024-11-17 03:50:47,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:47,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:47,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:47,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:47,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143091983] [2024-11-17 03:50:47,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143091983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:47,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:47,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:47,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417165191] [2024-11-17 03:50:47,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:47,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:47,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:47,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:47,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:47,629 INFO L87 Difference]: Start difference. First operand has 38 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 37 states have internal predecessors, (46), 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) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:47,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:47,665 INFO L93 Difference]: Finished difference Result 72 states and 87 transitions. [2024-11-17 03:50:47,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:47,667 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 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 7 [2024-11-17 03:50:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:47,673 INFO L225 Difference]: With dead ends: 72 [2024-11-17 03:50:47,673 INFO L226 Difference]: Without dead ends: 39 [2024-11-17 03:50:47,675 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:47,679 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 106 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 [2024-11-17 03:50:47,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 106 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:47,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2024-11-17 03:50:47,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2024-11-17 03:50:47,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 37 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:47,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2024-11-17 03:50:47,736 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 7 [2024-11-17 03:50:47,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:47,737 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2024-11-17 03:50:47,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:47,738 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2024-11-17 03:50:47,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-17 03:50:47,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:47,739 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:47,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 03:50:47,739 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:47,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:47,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1632658816, now seen corresponding path program 1 times [2024-11-17 03:50:47,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:47,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244653506] [2024-11-17 03:50:47,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:47,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:47,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:47,865 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:47,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:47,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [244653506] [2024-11-17 03:50:47,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [244653506] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:47,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209055044] [2024-11-17 03:50:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:47,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:47,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:47,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:47,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 03:50:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:47,929 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:50:47,932 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:47,981 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:50:47,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209055044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:47,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:50:47,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-17 03:50:47,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181076861] [2024-11-17 03:50:47,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:47,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:50:47,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:47,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:50:47,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:50:47,985 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:48,026 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-11-17 03:50:48,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 03:50:48,026 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-11-17 03:50:48,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:48,027 INFO L225 Difference]: With dead ends: 39 [2024-11-17 03:50:48,027 INFO L226 Difference]: Without dead ends: 38 [2024-11-17 03:50:48,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-17 03:50:48,029 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:48,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 154 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:48,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-17 03:50:48,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-11-17 03:50:48,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 36 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2024-11-17 03:50:48,036 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 12 [2024-11-17 03:50:48,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:48,036 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2024-11-17 03:50:48,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.4) internal successors, (12), 6 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,037 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2024-11-17 03:50:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:50:48,037 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:48,037 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:48,052 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 03:50:48,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:48,242 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:48,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:48,243 INFO L85 PathProgramCache]: Analyzing trace with hash 508287712, now seen corresponding path program 1 times [2024-11-17 03:50:48,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:48,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450306197] [2024-11-17 03:50:48,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:48,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:48,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:48,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:48,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450306197] [2024-11-17 03:50:48,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1450306197] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:48,314 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:48,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:50:48,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294772756] [2024-11-17 03:50:48,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:48,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:48,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:48,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:48,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:48,315 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:48,331 INFO L93 Difference]: Finished difference Result 60 states and 69 transitions. [2024-11-17 03:50:48,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:48,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2024-11-17 03:50:48,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:48,332 INFO L225 Difference]: With dead ends: 60 [2024-11-17 03:50:48,332 INFO L226 Difference]: Without dead ends: 37 [2024-11-17 03:50:48,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:48,333 INFO L432 NwaCegarLoop]: 34 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 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 [2024-11-17 03:50:48,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:48,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-17 03:50:48,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2024-11-17 03:50:48,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.4) internal successors, (42), 36 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 42 transitions. [2024-11-17 03:50:48,339 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 42 transitions. Word has length 13 [2024-11-17 03:50:48,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:48,341 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 42 transitions. [2024-11-17 03:50:48,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 42 transitions. [2024-11-17 03:50:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-17 03:50:48,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:48,342 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:48,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 03:50:48,342 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:48,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:48,342 INFO L85 PathProgramCache]: Analyzing trace with hash -927184250, now seen corresponding path program 1 times [2024-11-17 03:50:48,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:48,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946121986] [2024-11-17 03:50:48,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:48,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:48,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:48,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:48,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:48,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946121986] [2024-11-17 03:50:48,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946121986] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:48,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1632818989] [2024-11-17 03:50:48,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:48,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:48,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:48,441 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:48,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 03:50:48,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:48,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 03:50:48,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:48,522 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:48,522 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:48,568 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:48,568 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1632818989] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:48,568 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:48,568 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-17 03:50:48,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087363727] [2024-11-17 03:50:48,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:48,569 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 03:50:48,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:48,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 03:50:48,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:50:48,572 INFO L87 Difference]: Start difference. First operand 37 states and 42 transitions. Second operand has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:48,622 INFO L93 Difference]: Finished difference Result 53 states and 63 transitions. [2024-11-17 03:50:48,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:50:48,623 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 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 13 [2024-11-17 03:50:48,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:48,623 INFO L225 Difference]: With dead ends: 53 [2024-11-17 03:50:48,624 INFO L226 Difference]: Without dead ends: 52 [2024-11-17 03:50:48,624 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:50:48,625 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 125 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:48,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 158 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:48,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-17 03:50:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-17 03:50:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 51 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 60 transitions. [2024-11-17 03:50:48,633 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 60 transitions. Word has length 13 [2024-11-17 03:50:48,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:48,633 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 60 transitions. [2024-11-17 03:50:48,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 12 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,633 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 60 transitions. [2024-11-17 03:50:48,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 03:50:48,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:48,634 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:48,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 03:50:48,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-11-17 03:50:48,835 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:48,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:48,835 INFO L85 PathProgramCache]: Analyzing trace with hash -840438250, now seen corresponding path program 1 times [2024-11-17 03:50:48,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:48,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268803235] [2024-11-17 03:50:48,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:48,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:48,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:48,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:48,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268803235] [2024-11-17 03:50:48,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268803235] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:48,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:48,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:50:48,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071483084] [2024-11-17 03:50:48,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:48,892 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:50:48,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:48,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:50:48,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:50:48,894 INFO L87 Difference]: Start difference. First operand 52 states and 60 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:48,925 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2024-11-17 03:50:48,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:48,925 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 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 18 [2024-11-17 03:50:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:48,926 INFO L225 Difference]: With dead ends: 77 [2024-11-17 03:50:48,926 INFO L226 Difference]: Without dead ends: 55 [2024-11-17 03:50:48,926 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:48,927 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:48,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 117 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:48,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2024-11-17 03:50:48,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 54. [2024-11-17 03:50:48,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2024-11-17 03:50:48,935 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 18 [2024-11-17 03:50:48,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:48,935 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2024-11-17 03:50:48,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:48,936 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2024-11-17 03:50:48,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 03:50:48,936 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:48,936 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:48,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 03:50:48,937 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:48,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash -283784200, now seen corresponding path program 1 times [2024-11-17 03:50:48,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:48,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941841863] [2024-11-17 03:50:48,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:48,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:48,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:48,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:48,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:48,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941841863] [2024-11-17 03:50:48,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941841863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:48,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:48,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 03:50:48,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699388784] [2024-11-17 03:50:48,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:48,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 03:50:48,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:48,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 03:50:48,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:48,983 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:49,011 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2024-11-17 03:50:49,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 03:50:49,011 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 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 19 [2024-11-17 03:50:49,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:49,012 INFO L225 Difference]: With dead ends: 78 [2024-11-17 03:50:49,012 INFO L226 Difference]: Without dead ends: 76 [2024-11-17 03:50:49,012 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 03:50:49,013 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 16 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:49,013 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 80 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:49,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-17 03:50:49,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 71. [2024-11-17 03:50:49,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.34375) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2024-11-17 03:50:49,019 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 19 [2024-11-17 03:50:49,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:49,019 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2024-11-17 03:50:49,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,019 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2024-11-17 03:50:49,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 03:50:49,019 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:49,019 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:49,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 03:50:49,020 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:49,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:49,020 INFO L85 PathProgramCache]: Analyzing trace with hash -280920936, now seen corresponding path program 1 times [2024-11-17 03:50:49,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:49,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28667905] [2024-11-17 03:50:49,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:49,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:49,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:49,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28667905] [2024-11-17 03:50:49,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28667905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:49,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:49,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 03:50:49,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820405055] [2024-11-17 03:50:49,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:49,099 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:50:49,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:49,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:50:49,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:50:49,099 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:49,137 INFO L93 Difference]: Finished difference Result 112 states and 137 transitions. [2024-11-17 03:50:49,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:49,137 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 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 19 [2024-11-17 03:50:49,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:49,138 INFO L225 Difference]: With dead ends: 112 [2024-11-17 03:50:49,138 INFO L226 Difference]: Without dead ends: 77 [2024-11-17 03:50:49,138 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:49,141 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:49,141 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 120 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:49,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-17 03:50:49,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 71. [2024-11-17 03:50:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 64 states have (on average 1.34375) internal successors, (86), 70 states have internal predecessors, (86), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 86 transitions. [2024-11-17 03:50:49,148 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 86 transitions. Word has length 19 [2024-11-17 03:50:49,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:49,149 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 86 transitions. [2024-11-17 03:50:49,149 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,149 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 86 transitions. [2024-11-17 03:50:49,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 03:50:49,149 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:49,150 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:49,150 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-17 03:50:49,150 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:49,150 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:49,150 INFO L85 PathProgramCache]: Analyzing trace with hash -280891145, now seen corresponding path program 1 times [2024-11-17 03:50:49,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:49,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997837921] [2024-11-17 03:50:49,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:49,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:50:49,172 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1183692373] [2024-11-17 03:50:49,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:49,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:49,172 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:49,174 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:49,181 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 03:50:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:49,273 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 03:50:49,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:49,321 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-17 03:50:49,328 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:49,328 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:50:49,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:49,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997837921] [2024-11-17 03:50:49,329 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 03:50:49,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183692373] [2024-11-17 03:50:49,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183692373] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:49,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:49,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:50:49,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719966261] [2024-11-17 03:50:49,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:49,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:50:49,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:49,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:50:49,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:50:49,330 INFO L87 Difference]: Start difference. First operand 71 states and 86 transitions. Second operand has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:49,359 INFO L93 Difference]: Finished difference Result 88 states and 108 transitions. [2024-11-17 03:50:49,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:49,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 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 19 [2024-11-17 03:50:49,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:49,360 INFO L225 Difference]: With dead ends: 88 [2024-11-17 03:50:49,360 INFO L226 Difference]: Without dead ends: 87 [2024-11-17 03:50:49,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:50:49,360 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 5 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:49,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 81 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:49,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2024-11-17 03:50:49,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 77. [2024-11-17 03:50:49,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 70 states have (on average 1.3428571428571427) internal successors, (94), 76 states have internal predecessors, (94), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 94 transitions. [2024-11-17 03:50:49,367 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 94 transitions. Word has length 19 [2024-11-17 03:50:49,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:49,367 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 94 transitions. [2024-11-17 03:50:49,367 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.5) internal successors, (18), 5 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:49,367 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2024-11-17 03:50:49,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 03:50:49,368 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:49,368 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:49,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:49,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:49,573 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:49,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:49,573 INFO L85 PathProgramCache]: Analyzing trace with hash -117690919, now seen corresponding path program 1 times [2024-11-17 03:50:49,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:49,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117396669] [2024-11-17 03:50:49,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:49,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:50:49,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [773302526] [2024-11-17 03:50:49,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:49,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:49,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:49,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:49,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 03:50:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:49,634 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-17 03:50:49,635 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:49,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-17 03:50:49,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-17 03:50:49,751 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:49,751 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:50,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2024-11-17 03:50:50,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 16 [2024-11-17 03:50:50,051 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:50,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:50,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117396669] [2024-11-17 03:50:50,051 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 03:50:50,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773302526] [2024-11-17 03:50:50,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773302526] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:50,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 03:50:50,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2024-11-17 03:50:50,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707909319] [2024-11-17 03:50:50,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:50,052 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 03:50:50,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:50,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 03:50:50,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-17 03:50:50,053 INFO L87 Difference]: Start difference. First operand 77 states and 94 transitions. Second operand has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:50,458 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-11-17 03:50:50,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 03:50:50,459 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 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 20 [2024-11-17 03:50:50,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:50,459 INFO L225 Difference]: With dead ends: 92 [2024-11-17 03:50:50,459 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 03:50:50,460 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2024-11-17 03:50:50,460 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 20 mSDsluCounter, 200 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:50,460 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 229 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 03:50:50,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 03:50:50,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 78. [2024-11-17 03:50:50,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 71 states have (on average 1.3380281690140845) internal successors, (95), 77 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2024-11-17 03:50:50,466 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 20 [2024-11-17 03:50:50,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:50,466 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2024-11-17 03:50:50,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 10 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,466 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2024-11-17 03:50:50,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-17 03:50:50,466 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:50,467 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:50,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 03:50:50,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:50,671 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:50,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:50,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1431824009, now seen corresponding path program 1 times [2024-11-17 03:50:50,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:50,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897790547] [2024-11-17 03:50:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:50,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:50,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:50,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897790547] [2024-11-17 03:50:50,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897790547] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:50,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 03:50:50,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 03:50:50,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862712565] [2024-11-17 03:50:50,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:50,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 03:50:50,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:50,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 03:50:50,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 03:50:50,716 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:50,753 INFO L93 Difference]: Finished difference Result 92 states and 111 transitions. [2024-11-17 03:50:50,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 03:50:50,753 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 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 22 [2024-11-17 03:50:50,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:50,753 INFO L225 Difference]: With dead ends: 92 [2024-11-17 03:50:50,753 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 03:50:50,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 03:50:50,754 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:50,754 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 113 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 03:50:50,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 03:50:50,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 83. [2024-11-17 03:50:50,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 76 states have (on average 1.3289473684210527) internal successors, (101), 82 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 101 transitions. [2024-11-17 03:50:50,759 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 101 transitions. Word has length 22 [2024-11-17 03:50:50,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:50,759 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 101 transitions. [2024-11-17 03:50:50,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:50,759 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 101 transitions. [2024-11-17 03:50:50,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 03:50:50,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:50,760 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:50,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-17 03:50:50,760 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:50,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:50,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1436871340, now seen corresponding path program 1 times [2024-11-17 03:50:50,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:50,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270683250] [2024-11-17 03:50:50,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:50,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:50,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:50,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270683250] [2024-11-17 03:50:50,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270683250] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:50,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194829312] [2024-11-17 03:50:50,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:50,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:50,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:50,991 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:50,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 03:50:51,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:51,042 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 03:50:51,043 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:51,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-17 03:50:51,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:51,100 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 03:50:51,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194829312] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 03:50:51,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 03:50:51,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-17 03:50:51,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525989733] [2024-11-17 03:50:51,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 03:50:51,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 03:50:51,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:51,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 03:50:51,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2024-11-17 03:50:51,103 INFO L87 Difference]: Start difference. First operand 83 states and 101 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:51,176 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2024-11-17 03:50:51,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 03:50:51,176 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 [2024-11-17 03:50:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:51,177 INFO L225 Difference]: With dead ends: 92 [2024-11-17 03:50:51,177 INFO L226 Difference]: Without dead ends: 91 [2024-11-17 03:50:51,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2024-11-17 03:50:51,178 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 16 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:51,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 106 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 03:50:51,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2024-11-17 03:50:51,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 82. [2024-11-17 03:50:51,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 81 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:51,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 99 transitions. [2024-11-17 03:50:51,185 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 99 transitions. Word has length 23 [2024-11-17 03:50:51,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:51,185 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 99 transitions. [2024-11-17 03:50:51,185 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:51,185 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 99 transitions. [2024-11-17 03:50:51,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-17 03:50:51,189 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:51,189 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:51,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 03:50:51,389 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-11-17 03:50:51,390 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:51,390 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:51,390 INFO L85 PathProgramCache]: Analyzing trace with hash 828255229, now seen corresponding path program 1 times [2024-11-17 03:50:51,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:51,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231009472] [2024-11-17 03:50:51,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:51,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:50:51,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [228395270] [2024-11-17 03:50:51,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:51,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:51,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:51,404 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:51,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 03:50:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:51,456 INFO L255 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 03:50:51,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:51,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 20 [2024-11-17 03:50:51,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2024-11-17 03:50:51,559 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:51,560 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:52,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231009472] [2024-11-17 03:50:52,186 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 03:50:52,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228395270] [2024-11-17 03:50:52,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228395270] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:52,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 03:50:52,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2024-11-17 03:50:52,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304425710] [2024-11-17 03:50:52,186 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:52,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 03:50:52,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:52,187 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 03:50:52,187 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2024-11-17 03:50:52,187 INFO L87 Difference]: Start difference. First operand 82 states and 99 transitions. Second operand has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:54,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.48s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [1] [2024-11-17 03:50:55,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:55,941 INFO L93 Difference]: Finished difference Result 106 states and 129 transitions. [2024-11-17 03:50:55,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 03:50:55,941 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-11-17 03:50:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:55,942 INFO L225 Difference]: With dead ends: 106 [2024-11-17 03:50:55,942 INFO L226 Difference]: Without dead ends: 105 [2024-11-17 03:50:55,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2024-11-17 03:50:55,942 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 31 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 155 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:55,943 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 155 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 170 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2024-11-17 03:50:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-17 03:50:55,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2024-11-17 03:50:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 80 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2024-11-17 03:50:55,947 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 27 [2024-11-17 03:50:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:55,947 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2024-11-17 03:50:55,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.076923076923077) internal successors, (40), 14 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2024-11-17 03:50:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 03:50:55,947 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:55,947 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:55,963 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 03:50:56,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:56,148 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:56,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:56,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2018213761, now seen corresponding path program 1 times [2024-11-17 03:50:56,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:56,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879622601] [2024-11-17 03:50:56,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:56,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:56,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 03:50:56,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 03:50:56,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879622601] [2024-11-17 03:50:56,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879622601] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 03:50:56,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [940746503] [2024-11-17 03:50:56,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:56,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:56,197 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:56,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 03:50:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 03:50:56,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 03:50:56,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 03:50:56,333 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:56,333 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 03:50:56,420 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 03:50:56,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [940746503] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 03:50:56,421 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 03:50:56,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 16 [2024-11-17 03:50:56,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812473522] [2024-11-17 03:50:56,421 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 03:50:56,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 03:50:56,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 03:50:56,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 03:50:56,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-17 03:50:56,422 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:56,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 03:50:56,638 INFO L93 Difference]: Finished difference Result 166 states and 194 transitions. [2024-11-17 03:50:56,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 03:50:56,639 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 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 28 [2024-11-17 03:50:56,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 03:50:56,640 INFO L225 Difference]: With dead ends: 166 [2024-11-17 03:50:56,640 INFO L226 Difference]: Without dead ends: 129 [2024-11-17 03:50:56,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-11-17 03:50:56,641 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 70 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 03:50:56,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 356 Invalid, 407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 03:50:56,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-17 03:50:56,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 107. [2024-11-17 03:50:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 103 states have (on average 1.2233009708737863) internal successors, (126), 106 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:56,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 126 transitions. [2024-11-17 03:50:56,651 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 126 transitions. Word has length 28 [2024-11-17 03:50:56,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 03:50:56,651 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 126 transitions. [2024-11-17 03:50:56,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.0) internal successors, (64), 16 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 03:50:56,651 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 126 transitions. [2024-11-17 03:50:56,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-17 03:50:56,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 03:50:56,652 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:56,665 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 03:50:56,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:56,858 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2024-11-17 03:50:56,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 03:50:56,858 INFO L85 PathProgramCache]: Analyzing trace with hash -93891693, now seen corresponding path program 1 times [2024-11-17 03:50:56,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 03:50:56,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176050057] [2024-11-17 03:50:56,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:56,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 03:50:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 03:50:56,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1219905346] [2024-11-17 03:50:56,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 03:50:56,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 03:50:56,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 03:50:56,877 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 03:50:56,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 03:50:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:50:56,924 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 03:50:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 03:50:56,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 03:50:56,960 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 03:50:56,961 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2024-11-17 03:50:56,962 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2024-11-17 03:50:56,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2024-11-17 03:50:56,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2024-11-17 03:50:56,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2024-11-17 03:50:56,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2024-11-17 03:50:56,965 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2024-11-17 03:50:56,966 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2024-11-17 03:50:56,978 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-17 03:50:57,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-17 03:50:57,169 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 03:50:57,185 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 03:50:57,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 03:50:57 BoogieIcfgContainer [2024-11-17 03:50:57,190 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 03:50:57,190 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 03:50:57,190 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 03:50:57,190 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 03:50:57,190 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 03:50:47" (3/4) ... [2024-11-17 03:50:57,191 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-17 03:50:57,224 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 03:50:57,224 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 03:50:57,224 INFO L158 Benchmark]: Toolchain (without parser) took 10630.70ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 82.3MB in the beginning and 66.7MB in the end (delta: 15.6MB). Peak memory consumption was 80.8MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,226 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 03:50:57,226 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.52ms. Allocated memory is still 155.2MB. Free memory was 82.1MB in the beginning and 63.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,226 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.09ms. Allocated memory is still 155.2MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,227 INFO L158 Benchmark]: Boogie Preprocessor took 24.95ms. Allocated memory is still 155.2MB. Free memory was 61.4MB in the beginning and 59.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,227 INFO L158 Benchmark]: IcfgBuilder took 324.86ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 178.4MB in the end (delta: -118.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,227 INFO L158 Benchmark]: TraceAbstraction took 9888.35ms. Allocated memory is still 218.1MB. Free memory was 178.4MB in the beginning and 69.9MB in the end (delta: 108.5MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,227 INFO L158 Benchmark]: Witness Printer took 34.08ms. Allocated memory is still 218.1MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 03:50:57,228 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 155.2MB. Free memory is still 105.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 318.52ms. Allocated memory is still 155.2MB. Free memory was 82.1MB in the beginning and 63.4MB in the end (delta: 18.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.09ms. Allocated memory is still 155.2MB. Free memory was 63.4MB in the beginning and 61.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.95ms. Allocated memory is still 155.2MB. Free memory was 61.4MB in the beginning and 59.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 324.86ms. Allocated memory was 155.2MB in the beginning and 218.1MB in the end (delta: 62.9MB). Free memory was 59.6MB in the beginning and 178.4MB in the end (delta: -118.8MB). Peak memory consumption was 10.1MB. Max. memory is 16.1GB. * TraceAbstraction took 9888.35ms. Allocated memory is still 218.1MB. Free memory was 178.4MB in the beginning and 69.9MB in the end (delta: 108.5MB). Peak memory consumption was 108.5MB. Max. memory is 16.1GB. * Witness Printer took 34.08ms. Allocated memory is still 218.1MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 - CounterExampleResult [Line: 524]: integer overflow possible integer overflow possible We found a FailurePath: [L531] int array_size = __VERIFIER_nondet_int(); [L532] COND FALSE !(array_size < 1 || array_size >= 2147483647 / sizeof(int)) VAL [array_size=1] [L535] int* numbers = (int*) __builtin_alloca (array_size * sizeof(int)); [L537] int k = 0; VAL [array_size=1, k=0, numbers={2:0}] [L537] COND TRUE k < array_size [L539] numbers[k] = __VERIFIER_nondet_int() [L537] k++ VAL [array_size=1, k=1, numbers={2:0}] [L537] COND FALSE !(k < array_size) VAL [array_size=1, numbers={2:0}] [L542] CALL test_fun(numbers, array_size) [L514] int i; [L515] int res; [L516] i = 0 VAL [N=1, a={2:0}, i=0] [L516] COND TRUE i < N [L517] res = 1 [L518] EXPR a[i] [L518] COND FALSE !(a[i] == 0) [L520] EXPR a[i] [L520] COND FALSE !(a[i] < 0) [L523] EXPR a[i] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] [L524] EXPR res * a[i] VAL [N=1, a={2:0}, i=0, res=1] [L524] res = res * a[i] [L525] EXPR a[i] [L525] a[i]-- VAL [N=1, a={2:0}, i=0, res=2147483647] [L525] a[i]-- [L523] EXPR a[i] [L523] COND TRUE a[i] > 0 [L524] EXPR a[i] [L524] res * a[i] VAL [N=1, a={2:0}, i=0] - UnprovableResult [Line: 516]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 516]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 525]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 524]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 537]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 38 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.8s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 4.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 1839 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1425 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1079 IncrementalHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 414 mSDtfsCounter, 1079 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=107occurred in iteration=13, InterpolantAutomatonStates: 96, 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, 13 MinimizatonAttempts, 100 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 383 ConstructedInterpolants, 16 QuantifiedInterpolants, 1892 SizeOfPredicates, 29 NumberOfNonLiveVariables, 526 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 21 InterpolantComputations, 9 PerfectInterpolantSequences, 36/73 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 RESULT: Ultimate proved your program to be incorrect! [2024-11-17 03:50:57,250 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)