./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/break-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/break-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 af12e42a5d3a022d66b7920ff01dec158b3de4df470747e943653bc7f1da2cc9 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 20:05:48,566 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 20:05:48,613 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-14 20:05:48,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 20:05:48,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 20:05:48,644 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 20:05:48,645 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 20:05:48,645 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 20:05:48,646 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 20:05:48,646 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 20:05:48,647 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 20:05:48,647 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 20:05:48,647 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 20:05:48,648 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 20:05:48,648 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 20:05:48,649 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 20:05:48,649 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 20:05:48,649 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 20:05:48,650 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 20:05:48,650 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 20:05:48,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 20:05:48,654 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 20:05:48,655 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 20:05:48,655 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 20:05:48,655 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 20:05:48,655 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 20:05:48,655 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 20:05:48,656 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 20:05:48,656 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 20:05:48,656 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 20:05:48,656 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 20:05:48,656 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 20:05:48,657 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 20:05:48,657 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 20:05:48,657 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:05:48,657 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 20:05:48,657 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 20:05:48,658 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 20:05:48,658 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 20:05:48,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 20:05:48,660 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 20:05:48,661 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 20:05:48,662 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 20:05:48,662 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 20:05:48,662 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> af12e42a5d3a022d66b7920ff01dec158b3de4df470747e943653bc7f1da2cc9 [2024-10-14 20:05:48,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 20:05:48,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 20:05:48,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 20:05:48,944 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 20:05:48,945 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 20:05:48,946 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/break-2.i [2024-10-14 20:05:50,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 20:05:50,635 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 20:05:50,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-lopstr16/break-2.i [2024-10-14 20:05:50,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0a94eac/03e7ade40d7340fab49a56a29cd570c4/FLAGfcbaa12f6 [2024-10-14 20:05:50,655 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0a94eac/03e7ade40d7340fab49a56a29cd570c4 [2024-10-14 20:05:50,657 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 20:05:50,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 20:05:50,661 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 20:05:50,661 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 20:05:50,670 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 20:05:50,671 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:05:50" (1/1) ... [2024-10-14 20:05:50,672 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0014df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:50, skipping insertion in model container [2024-10-14 20:05:50,672 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 08:05:50" (1/1) ... [2024-10-14 20:05:50,695 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 20:05:50,865 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:05:57,180 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 20:05:57,191 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 20:05:57,208 INFO L204 MainTranslator]: Completed translation [2024-10-14 20:05:57,209 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57 WrapperNode [2024-10-14 20:05:57,209 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 20:05:57,210 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 20:05:57,210 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 20:05:57,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 20:05:57,217 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,238 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-14 20:05:57,239 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 20:05:57,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 20:05:57,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 20:05:57,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 20:05:57,251 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,253 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,265 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 2 writes are split as follows [0, 2]. [2024-10-14 20:05:57,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,274 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,276 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 20:05:57,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 20:05:57,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 20:05:57,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 20:05:57,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (1/1) ... [2024-10-14 20:05:57,288 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 20:05:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:57,314 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) [2024-10-14 20:05:57,319 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 [2024-10-14 20:05:57,367 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 20:05:57,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 20:05:57,368 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-14 20:05:57,369 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-14 20:05:57,448 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 20:05:57,450 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 20:05:57,581 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-10-14 20:05:57,582 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 20:05:57,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 20:05:57,621 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-14 20:05:57,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:57 BoogieIcfgContainer [2024-10-14 20:05:57,621 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 20:05:57,623 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 20:05:57,623 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 20:05:57,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 20:05:57,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 08:05:50" (1/3) ... [2024-10-14 20:05:57,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:05:57, skipping insertion in model container [2024-10-14 20:05:57,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 08:05:57" (2/3) ... [2024-10-14 20:05:57,631 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74b9ceb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 08:05:57, skipping insertion in model container [2024-10-14 20:05:57,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:57" (3/3) ... [2024-10-14 20:05:57,634 INFO L112 eAbstractionObserver]: Analyzing ICFG break-2.i [2024-10-14 20:05:57,654 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 20:05:57,654 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-14 20:05:57,711 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 20:05:57,716 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;@610df172, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 20:05:57,717 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-14 20:05:57,720 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 16 states have (on average 1.75) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:57,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-10-14 20:05:57,725 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:57,726 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2024-10-14 20:05:57,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:57,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:57,731 INFO L85 PathProgramCache]: Analyzing trace with hash 2990960, now seen corresponding path program 1 times [2024-10-14 20:05:57,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:57,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789240336] [2024-10-14 20:05:57,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:57,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:57,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:57,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789240336] [2024-10-14 20:05:57,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789240336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:57,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:05:57,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:05:57,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615039438] [2024-10-14 20:05:57,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:57,963 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:05:57,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:57,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:05:57,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:05:57,988 INFO L87 Difference]: Start difference. First operand has 21 states, 16 states have (on average 1.75) internal successors, (28), 20 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-14 20:05:58,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:58,086 INFO L93 Difference]: Finished difference Result 46 states and 65 transitions. [2024-10-14 20:05:58,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:05:58,089 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2024-10-14 20:05:58,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:58,096 INFO L225 Difference]: With dead ends: 46 [2024-10-14 20:05:58,096 INFO L226 Difference]: Without dead ends: 26 [2024-10-14 20:05:58,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:05:58,104 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 6 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:58,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 31 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:58,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-14 20:05:58,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2024-10-14 20:05:58,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 19 states have (on average 1.368421052631579) internal successors, (26), 22 states have internal predecessors, (26), 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) [2024-10-14 20:05:58,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-14 20:05:58,134 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 4 [2024-10-14 20:05:58,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:58,134 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-14 20:05:58,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2024-10-14 20:05:58,135 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-14 20:05:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-14 20:05:58,135 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:58,135 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2024-10-14 20:05:58,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 20:05:58,136 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:58,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:58,136 INFO L85 PathProgramCache]: Analyzing trace with hash 551959824, now seen corresponding path program 1 times [2024-10-14 20:05:58,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:58,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235783680] [2024-10-14 20:05:58,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:58,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:58,290 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:58,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:58,290 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235783680] [2024-10-14 20:05:58,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235783680] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:58,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [741946147] [2024-10-14 20:05:58,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:58,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:58,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:58,294 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) [2024-10-14 20:05:58,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-14 20:05:58,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:58,356 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-14 20:05:58,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:58,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:58,414 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:05:58,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [741946147] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:58,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:05:58,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-14 20:05:58,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643798862] [2024-10-14 20:05:58,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:58,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-14 20:05:58,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:58,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-14 20:05:58,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:05:58,417 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-10-14 20:05:58,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:58,501 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2024-10-14 20:05:58,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-14 20:05:58,502 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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 8 [2024-10-14 20:05:58,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:58,503 INFO L225 Difference]: With dead ends: 27 [2024-10-14 20:05:58,504 INFO L226 Difference]: Without dead ends: 26 [2024-10-14 20:05:58,505 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-10-14 20:05:58,506 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:58,506 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 34 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:58,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2024-10-14 20:05:58,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 22. [2024-10-14 20:05:58,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:58,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-10-14 20:05:58,513 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 8 [2024-10-14 20:05:58,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:58,513 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-10-14 20:05:58,515 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 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) [2024-10-14 20:05:58,515 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-10-14 20:05:58,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-10-14 20:05:58,515 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:58,515 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1] [2024-10-14 20:05:58,533 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-14 20:05:58,716 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 [2024-10-14 20:05:58,717 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:58,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:58,717 INFO L85 PathProgramCache]: Analyzing trace with hash -69114589, now seen corresponding path program 1 times [2024-10-14 20:05:58,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:58,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292752465] [2024-10-14 20:05:58,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:58,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-14 20:05:58,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:58,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292752465] [2024-10-14 20:05:58,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292752465] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:58,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:05:58,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 20:05:58,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759705669] [2024-10-14 20:05:58,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:58,782 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 20:05:58,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:58,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 20:05:58,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:05:58,783 INFO L87 Difference]: Start difference. First operand 22 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-14 20:05:58,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:58,796 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-10-14 20:05:58,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 20:05:58,800 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 9 [2024-10-14 20:05:58,800 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:58,801 INFO L225 Difference]: With dead ends: 22 [2024-10-14 20:05:58,801 INFO L226 Difference]: Without dead ends: 21 [2024-10-14 20:05:58,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 20:05:58,802 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:58,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 28 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:58,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-10-14 20:05:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 19. [2024-10-14 20:05:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 18 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) [2024-10-14 20:05:58,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-10-14 20:05:58,809 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 9 [2024-10-14 20:05:58,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:58,809 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-10-14 20:05:58,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2024-10-14 20:05:58,810 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-10-14 20:05:58,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-14 20:05:58,810 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:58,810 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:05:58,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 20:05:58,810 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:58,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:58,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1198110331, now seen corresponding path program 1 times [2024-10-14 20:05:58,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:58,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134634212] [2024-10-14 20:05:58,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:58,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:58,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:58,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:58,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134634212] [2024-10-14 20:05:58,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134634212] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:58,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [510359357] [2024-10-14 20:05:58,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:58,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:58,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:58,895 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) [2024-10-14 20:05:58,897 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-14 20:05:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:58,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:05:58,950 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:58,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:58,985 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:59,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 20:05:59,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [510359357] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:59,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:59,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2024-10-14 20:05:59,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280813211] [2024-10-14 20:05:59,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:59,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-14 20:05:59,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:59,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-14 20:05:59,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:05:59,032 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 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) [2024-10-14 20:05:59,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:59,089 INFO L93 Difference]: Finished difference Result 39 states and 45 transitions. [2024-10-14 20:05:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-14 20:05:59,090 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 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 [2024-10-14 20:05:59,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:59,091 INFO L225 Difference]: With dead ends: 39 [2024-10-14 20:05:59,091 INFO L226 Difference]: Without dead ends: 27 [2024-10-14 20:05:59,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-14 20:05:59,093 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:59,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 27 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:59,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-14 20:05:59,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2024-10-14 20:05:59,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 22 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:05:59,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2024-10-14 20:05:59,101 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 13 [2024-10-14 20:05:59,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:59,101 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2024-10-14 20:05:59,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.4) internal successors, (24), 9 states have internal predecessors, (24), 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) [2024-10-14 20:05:59,102 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2024-10-14 20:05:59,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-14 20:05:59,102 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:59,102 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:05:59,119 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-14 20:05:59,303 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 [2024-10-14 20:05:59,303 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:59,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:59,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1691465352, now seen corresponding path program 1 times [2024-10-14 20:05:59,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:59,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [652971839] [2024-10-14 20:05:59,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:59,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:59,393 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:05:59,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:59,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [652971839] [2024-10-14 20:05:59,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [652971839] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:05:59,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:05:59,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:05:59,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768758835] [2024-10-14 20:05:59,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:05:59,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:05:59,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:59,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:05:59,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:05:59,395 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) 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) [2024-10-14 20:05:59,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:59,425 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2024-10-14 20:05:59,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:05:59,426 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) 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 18 [2024-10-14 20:05:59,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:59,426 INFO L225 Difference]: With dead ends: 30 [2024-10-14 20:05:59,426 INFO L226 Difference]: Without dead ends: 28 [2024-10-14 20:05:59,426 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 [2024-10-14 20:05:59,427 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:59,428 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 21 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:05:59,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2024-10-14 20:05:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-14 20:05:59,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.1538461538461537) internal successors, (30), 27 states have internal predecessors, (30), 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) [2024-10-14 20:05:59,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 30 transitions. [2024-10-14 20:05:59,437 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 30 transitions. Word has length 18 [2024-10-14 20:05:59,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:59,438 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 30 transitions. [2024-10-14 20:05:59,438 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) 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) [2024-10-14 20:05:59,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 30 transitions. [2024-10-14 20:05:59,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-14 20:05:59,439 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:59,439 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:05:59,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 20:05:59,442 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:05:59,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:05:59,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1792078247, now seen corresponding path program 1 times [2024-10-14 20:05:59,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:05:59,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199205695] [2024-10-14 20:05:59,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:59,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:05:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:59,559 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-14 20:05:59,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:05:59,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199205695] [2024-10-14 20:05:59,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199205695] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:05:59,560 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942560278] [2024-10-14 20:05:59,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:05:59,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:05:59,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:05:59,562 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) [2024-10-14 20:05:59,563 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-14 20:05:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:05:59,618 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-14 20:05:59,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:05:59,664 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:05:59,664 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:05:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-14 20:05:59,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942560278] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:05:59,727 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:05:59,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-10-14 20:05:59,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559710653] [2024-10-14 20:05:59,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:05:59,728 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 20:05:59,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:05:59,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 20:05:59,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:05:59,730 INFO L87 Difference]: Start difference. First operand 28 states and 30 transitions. Second operand has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2024-10-14 20:05:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:05:59,812 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions. [2024-10-14 20:05:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-14 20:05:59,812 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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 [2024-10-14 20:05:59,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:05:59,813 INFO L225 Difference]: With dead ends: 63 [2024-10-14 20:05:59,813 INFO L226 Difference]: Without dead ends: 46 [2024-10-14 20:05:59,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-10-14 20:05:59,814 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:05:59,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 45 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:05:59,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-10-14 20:05:59,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2024-10-14 20:05:59,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.1) internal successors, (44), 41 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) [2024-10-14 20:05:59,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2024-10-14 20:05:59,823 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 23 [2024-10-14 20:05:59,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:05:59,823 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-10-14 20:05:59,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.4285714285714284) internal successors, (48), 14 states have internal predecessors, (48), 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) [2024-10-14 20:05:59,824 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2024-10-14 20:05:59,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-10-14 20:05:59,824 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:05:59,825 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 20:05:59,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-14 20:06:00,025 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:00,026 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:06:00,026 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:06:00,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2003247575, now seen corresponding path program 1 times [2024-10-14 20:06:00,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:06:00,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83778915] [2024-10-14 20:06:00,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:00,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:06:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:00,269 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:06:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83778915] [2024-10-14 20:06:00,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83778915] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:06:00,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147622137] [2024-10-14 20:06:00,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:00,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:00,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:06:00,271 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) [2024-10-14 20:06:00,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-14 20:06:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:00,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-14 20:06:00,333 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:06:00,392 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:00,393 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:06:00,582 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:00,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147622137] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:06:00,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:06:00,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25 [2024-10-14 20:06:00,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402598691] [2024-10-14 20:06:00,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:06:00,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-10-14 20:06:00,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:06:00,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-10-14 20:06:00,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:06:00,585 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 26 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 25 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) [2024-10-14 20:06:00,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:06:00,673 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2024-10-14 20:06:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-10-14 20:06:00,674 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 25 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) Word has length 37 [2024-10-14 20:06:00,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:06:00,675 INFO L225 Difference]: With dead ends: 86 [2024-10-14 20:06:00,675 INFO L226 Difference]: Without dead ends: 67 [2024-10-14 20:06:00,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 188 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2024-10-14 20:06:00,676 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 14 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:06:00,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 56 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:06:00,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-14 20:06:00,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 66. [2024-10-14 20:06:00,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 64 states have (on average 1.0625) internal successors, (68), 65 states have internal predecessors, (68), 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) [2024-10-14 20:06:00,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2024-10-14 20:06:00,683 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 37 [2024-10-14 20:06:00,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:06:00,683 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2024-10-14 20:06:00,684 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 2.3076923076923075) internal successors, (60), 25 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) [2024-10-14 20:06:00,684 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2024-10-14 20:06:00,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-14 20:06:00,685 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:06:00,685 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 20:06:00,702 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-14 20:06:00,886 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:00,886 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:06:00,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:06:00,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1105154967, now seen corresponding path program 2 times [2024-10-14 20:06:00,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:06:00,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648853884] [2024-10-14 20:06:00,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:00,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:06:00,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:01,455 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:01,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:06:01,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648853884] [2024-10-14 20:06:01,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648853884] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:06:01,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478245633] [2024-10-14 20:06:01,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-14 20:06:01,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:01,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:06:01,458 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) [2024-10-14 20:06:01,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-14 20:06:01,529 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-14 20:06:01,529 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:06:01,530 INFO L255 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-14 20:06:01,533 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:06:01,627 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:01,627 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-14 20:06:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 0 proven. 242 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:02,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478245633] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-14 20:06:02,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-14 20:06:02,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 49 [2024-10-14 20:06:02,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921030787] [2024-10-14 20:06:02,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-14 20:06:02,256 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-10-14 20:06:02,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:06:02,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-10-14 20:06:02,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=650, Invalid=1800, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 20:06:02,259 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 50 states, 50 states have (on average 2.16) internal successors, (108), 49 states have internal predecessors, (108), 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) [2024-10-14 20:06:02,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:06:02,445 INFO L93 Difference]: Finished difference Result 134 states and 149 transitions. [2024-10-14 20:06:02,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-10-14 20:06:02,446 INFO L78 Accepts]: Start accepts. Automaton has has 50 states, 50 states have (on average 2.16) internal successors, (108), 49 states have internal predecessors, (108), 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 61 [2024-10-14 20:06:02,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:06:02,447 INFO L225 Difference]: With dead ends: 134 [2024-10-14 20:06:02,447 INFO L226 Difference]: Without dead ends: 115 [2024-10-14 20:06:02,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 746 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=650, Invalid=1800, Unknown=0, NotChecked=0, Total=2450 [2024-10-14 20:06:02,449 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 18 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 172 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 177 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 172 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 20:06:02,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 75 Invalid, 177 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 20:06:02,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-10-14 20:06:02,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 114. [2024-10-14 20:06:02,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 112 states have (on average 1.0357142857142858) internal successors, (116), 113 states have internal predecessors, (116), 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) [2024-10-14 20:06:02,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 116 transitions. [2024-10-14 20:06:02,464 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 116 transitions. Word has length 61 [2024-10-14 20:06:02,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:06:02,464 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 116 transitions. [2024-10-14 20:06:02,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 2.16) internal successors, (108), 49 states have internal predecessors, (108), 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) [2024-10-14 20:06:02,465 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 116 transitions. [2024-10-14 20:06:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-10-14 20:06:02,469 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:06:02,469 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-14 20:06:02,486 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-14 20:06:02,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:02,674 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:06:02,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:06:02,674 INFO L85 PathProgramCache]: Analyzing trace with hash -2138306327, now seen corresponding path program 3 times [2024-10-14 20:06:02,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:06:02,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952365049] [2024-10-14 20:06:02,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:02,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:06:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:04,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 0 proven. 1058 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-14 20:06:04,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:06:04,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1952365049] [2024-10-14 20:06:04,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1952365049] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-14 20:06:04,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834627845] [2024-10-14 20:06:04,230 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-14 20:06:04,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:04,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 20:06:04,232 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) [2024-10-14 20:06:04,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-14 20:06:04,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-14 20:06:04,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-14 20:06:04,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-14 20:06:04,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 20:06:04,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1064 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-10-14 20:06:04,395 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 20:06:04,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834627845] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:06:04,395 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-14 20:06:04,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [48] total 52 [2024-10-14 20:06:04,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373043292] [2024-10-14 20:06:04,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:06:04,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 20:06:04,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:06:04,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 20:06:04,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=632, Invalid=2020, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 20:06:04,398 INFO L87 Difference]: Start difference. First operand 114 states and 116 transitions. Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-14 20:06:04,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:06:04,424 INFO L93 Difference]: Finished difference Result 114 states and 116 transitions. [2024-10-14 20:06:04,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:06:04,424 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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 109 [2024-10-14 20:06:04,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:06:04,425 INFO L225 Difference]: With dead ends: 114 [2024-10-14 20:06:04,425 INFO L226 Difference]: Without dead ends: 113 [2024-10-14 20:06:04,427 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 641 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=632, Invalid=2020, Unknown=0, NotChecked=0, Total=2652 [2024-10-14 20:06:04,427 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:06:04,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 19 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:06:04,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-10-14 20:06:04,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-10-14 20:06:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 112 states have (on average 1.0267857142857142) internal successors, (115), 112 states have internal predecessors, (115), 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) [2024-10-14 20:06:04,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2024-10-14 20:06:04,435 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 109 [2024-10-14 20:06:04,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:06:04,435 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2024-10-14 20:06:04,435 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 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) [2024-10-14 20:06:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2024-10-14 20:06:04,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-10-14 20:06:04,437 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:06:04,437 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:06:04,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-14 20:06:04,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-14 20:06:04,638 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:06:04,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:06:04,638 INFO L85 PathProgramCache]: Analyzing trace with hash -1862986607, now seen corresponding path program 1 times [2024-10-14 20:06:04,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:06:04,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540519293] [2024-10-14 20:06:04,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:04,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:06:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:04,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1065 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1060 trivial. 0 not checked. [2024-10-14 20:06:04,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:06:04,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540519293] [2024-10-14 20:06:04,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540519293] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:06:04,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:06:04,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:06:04,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [80813005] [2024-10-14 20:06:04,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:06:04,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:06:04,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:06:04,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:06:04,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:06:04,754 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 20:06:04,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:06:04,775 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2024-10-14 20:06:04,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:06:04,776 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 110 [2024-10-14 20:06:04,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:06:04,777 INFO L225 Difference]: With dead ends: 117 [2024-10-14 20:06:04,777 INFO L226 Difference]: Without dead ends: 116 [2024-10-14 20:06:04,777 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 [2024-10-14 20:06:04,777 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:06:04,778 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 17 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:06:04,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-10-14 20:06:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-10-14 20:06:04,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 115 states have (on average 1.0260869565217392) internal successors, (118), 115 states have internal predecessors, (118), 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) [2024-10-14 20:06:04,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 118 transitions. [2024-10-14 20:06:04,791 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 118 transitions. Word has length 110 [2024-10-14 20:06:04,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:06:04,791 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 118 transitions. [2024-10-14 20:06:04,791 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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) [2024-10-14 20:06:04,793 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 118 transitions. [2024-10-14 20:06:04,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-14 20:06:04,794 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 20:06:04,794 INFO L215 NwaCegarLoop]: trace histogram [24, 23, 23, 23, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-14 20:06:04,794 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 20:06:04,797 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-10-14 20:06:04,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 20:06:04,797 INFO L85 PathProgramCache]: Analyzing trace with hash -601529390, now seen corresponding path program 1 times [2024-10-14 20:06:04,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 20:06:04,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28505953] [2024-10-14 20:06:04,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 20:06:04,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 20:06:04,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 20:06:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-10-14 20:06:04,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 20:06:04,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28505953] [2024-10-14 20:06:04,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [28505953] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 20:06:04,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 20:06:04,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 20:06:04,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281296329] [2024-10-14 20:06:04,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 20:06:04,888 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 20:06:04,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 20:06:04,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 20:06:04,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-14 20:06:04,889 INFO L87 Difference]: Start difference. First operand 116 states and 118 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:06:04,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 20:06:04,908 INFO L93 Difference]: Finished difference Result 116 states and 118 transitions. [2024-10-14 20:06:04,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 20:06:04,908 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 115 [2024-10-14 20:06:04,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 20:06:04,909 INFO L225 Difference]: With dead ends: 116 [2024-10-14 20:06:04,909 INFO L226 Difference]: Without dead ends: 0 [2024-10-14 20:06:04,910 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 [2024-10-14 20:06:04,911 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 20:06:04,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 11 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 20:06:04,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-14 20:06:04,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-14 20:06:04,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-14 20:06:04,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-14 20:06:04,912 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 115 [2024-10-14 20:06:04,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 20:06:04,912 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-14 20:06:04,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-10-14 20:06:04,912 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-14 20:06:04,912 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-14 20:06:04,915 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-14 20:06:04,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-14 20:06:04,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-14 20:06:04,916 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-14 20:06:04,916 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 20:06:04,919 INFO L407 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 20:06:04,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-14 20:06:05,026 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 20:06:05,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 08:06:05 BoogieIcfgContainer [2024-10-14 20:06:05,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 20:06:05,039 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 20:06:05,039 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 20:06:05,039 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 20:06:05,039 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 08:05:57" (3/4) ... [2024-10-14 20:06:05,041 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-14 20:06:05,047 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-10-14 20:06:05,047 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-14 20:06:05,047 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-14 20:06:05,047 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-14 20:06:05,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-14 20:06:05,133 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-14 20:06:05,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 20:06:05,134 INFO L158 Benchmark]: Toolchain (without parser) took 14476.04ms. Allocated memory was 151.0MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 82.9MB in the beginning and 7.4GB in the end (delta: -7.3GB). Peak memory consumption was 1.8GB. Max. memory is 16.1GB. [2024-10-14 20:06:05,134 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:06:05,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 6548.75ms. Allocated memory was 151.0MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 82.7MB in the beginning and 7.8GB in the end (delta: -7.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-10-14 20:06:05,135 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.91ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 20:06:05,135 INFO L158 Benchmark]: Boogie Preprocessor took 41.67ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 20:06:05,135 INFO L158 Benchmark]: RCFGBuilder took 339.22ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-14 20:06:05,135 INFO L158 Benchmark]: TraceAbstraction took 7415.41ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.4GB in the end (delta: 381.7MB). Peak memory consumption was 381.7MB. Max. memory is 16.1GB. [2024-10-14 20:06:05,135 INFO L158 Benchmark]: Witness Printer took 94.75ms. Allocated memory is still 9.2GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 20:06:05,137 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 109.1MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 6548.75ms. Allocated memory was 151.0MB in the beginning and 9.2GB in the end (delta: 9.1GB). Free memory was 82.7MB in the beginning and 7.8GB in the end (delta: -7.7GB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.91ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 41.67ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.22ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.8GB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 7415.41ms. Allocated memory is still 9.2GB. Free memory was 7.8GB in the beginning and 7.4GB in the end (delta: 381.7MB). Peak memory consumption was 381.7MB. Max. memory is 16.1GB. * Witness Printer took 94.75ms. Allocated memory is still 9.2GB. Free memory was 7.4GB in the beginning and 7.4GB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 22]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 11, TraceHistogramMax: 24, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 72 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 72 mSDsluCounter, 364 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 269 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 613 IncrementalHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 95 mSDtfsCounter, 613 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 485 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1624 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=10, InterpolantAutomatonStates: 119, 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, 11 MinimizatonAttempts, 19 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 758 NumberOfCodeBlocks, 670 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 871 ConstructedInterpolants, 0 QuantifiedInterpolants, 1651 SizeOfPredicates, 0 NumberOfNonLiveVariables, 575 ConjunctsInSsa, 55 ConjunctsInUnsatCore, 21 InterpolantComputations, 7 PerfectInterpolantSequences, 3279/5237 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 999999) && (1 <= i))) - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (0 < (2147483649 + i)) RESULT: Ultimate proved your program to be correct! [2024-10-14 20:06:05,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE