./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:02:04,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:02:04,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-17 04:02:04,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:02:04,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:02:04,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:02:04,507 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:02:04,508 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:02:04,508 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:02:04,508 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:02:04,509 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:02:04,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:02:04,509 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:02:04,509 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:02:04,510 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:02:04,510 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:02:04,510 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:02:04,511 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:02:04,511 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:02:04,511 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:02:04,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:02:04,513 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:02:04,513 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:02:04,514 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:02:04,514 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:02:04,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:02:04,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:02:04,514 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:02:04,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:02:04,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:02:04,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:02:04,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:02:04,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:02:04,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:02:04,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:02:04,516 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:02:04,516 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:02:04,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:02:04,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:02:04,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:02:04,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:02:04,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f77ac7021b9516a822c02fb2f9337d0a1ab6f10aeb906e4a3e0cf008997a431e [2024-11-17 04:02:04,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:02:04,841 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:02:04,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:02:04,845 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:02:04,845 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:02:04,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2024-11-17 04:02:06,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:02:06,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:02:06,405 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/b.03-no-inv_assume.c [2024-11-17 04:02:06,415 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e038cc2/8e198d8a8acc42bc89658cf907553bf7/FLAG5c918cf72 [2024-11-17 04:02:06,430 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32e038cc2/8e198d8a8acc42bc89658cf907553bf7 [2024-11-17 04:02:06,432 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:02:06,434 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:02:06,436 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:02:06,436 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:02:06,440 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:02:06,441 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,442 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72638569 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06, skipping insertion in model container [2024-11-17 04:02:06,442 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,456 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:02:06,597 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:02:06,601 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:02:06,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:02:06,624 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:02:06,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06 WrapperNode [2024-11-17 04:02:06,625 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:02:06,626 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:02:06,626 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:02:06,626 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:02:06,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,634 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,645 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-11-17 04:02:06,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:02:06,646 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:02:06,646 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:02:06,646 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:02:06,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,655 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,659 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-17 04:02:06,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,663 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,665 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,666 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:02:06,667 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:02:06,667 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:02:06,667 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:02:06,668 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (1/1) ... [2024-11-17 04:02:06,672 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:02:06,681 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:06,697 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-17 04:02:06,703 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-17 04:02:06,743 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:02:06,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:02:06,803 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:02:06,805 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:02:06,869 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-17 04:02:06,870 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:02:06,878 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:02:06,878 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:02:06,879 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:02:06 BoogieIcfgContainer [2024-11-17 04:02:06,879 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:02:06,881 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:02:06,881 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:02:06,883 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:02:06,883 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:02:06" (1/3) ... [2024-11-17 04:02:06,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c57068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:02:06, skipping insertion in model container [2024-11-17 04:02:06,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:02:06" (2/3) ... [2024-11-17 04:02:06,884 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42c57068 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:02:06, skipping insertion in model container [2024-11-17 04:02:06,884 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:02:06" (3/3) ... [2024-11-17 04:02:06,885 INFO L112 eAbstractionObserver]: Analyzing ICFG b.03-no-inv_assume.c [2024-11-17 04:02:06,898 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:02:06,899 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:02:06,939 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:02:06,944 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;@196c6b4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:02:06,944 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:02:06,948 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:06,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:02:06,952 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:06,952 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:02:06,953 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:06,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:06,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1537321789, now seen corresponding path program 1 times [2024-11-17 04:02:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:06,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841739130] [2024-11-17 04:02:06,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841739130] [2024-11-17 04:02:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841739130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:07,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:07,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813398673] [2024-11-17 04:02:07,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:07,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,138 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:07,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,141 INFO L87 Difference]: Start difference. First operand has 20 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 19 states have internal predecessors, (23), 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 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,172 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2024-11-17 04:02:07,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:07,182 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2024-11-17 04:02:07,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,188 INFO L225 Difference]: With dead ends: 26 [2024-11-17 04:02:07,188 INFO L226 Difference]: Without dead ends: 15 [2024-11-17 04:02:07,191 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,194 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 10 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,194 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 14 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:07,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-17 04:02:07,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-17 04:02:07,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-17 04:02:07,221 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 6 [2024-11-17 04:02:07,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,221 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-17 04:02:07,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,222 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-17 04:02:07,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:02:07,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:07,222 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:07,222 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:02:07,222 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:07,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:07,223 INFO L85 PathProgramCache]: Analyzing trace with hash 412336016, now seen corresponding path program 1 times [2024-11-17 04:02:07,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:07,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547707733] [2024-11-17 04:02:07,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,256 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547707733] [2024-11-17 04:02:07,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547707733] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:07,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:07,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8106495] [2024-11-17 04:02:07,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:07,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:07,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,259 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,283 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2024-11-17 04:02:07,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:07,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:02:07,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,284 INFO L225 Difference]: With dead ends: 28 [2024-11-17 04:02:07,284 INFO L226 Difference]: Without dead ends: 15 [2024-11-17 04:02:07,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,285 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:07,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-17 04:02:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-17 04:02:07,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.25) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2024-11-17 04:02:07,289 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 7 [2024-11-17 04:02:07,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,289 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2024-11-17 04:02:07,289 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,289 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2024-11-17 04:02:07,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:02:07,290 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:07,290 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:07,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:02:07,290 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:07,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:07,291 INFO L85 PathProgramCache]: Analyzing trace with hash 412335184, now seen corresponding path program 1 times [2024-11-17 04:02:07,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:07,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229602908] [2024-11-17 04:02:07,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229602908] [2024-11-17 04:02:07,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229602908] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:07,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:02:07,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127975] [2024-11-17 04:02:07,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,327 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:02:07,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:02:07,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,328 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,354 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-17 04:02:07,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:02:07,355 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-11-17 04:02:07,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,356 INFO L225 Difference]: With dead ends: 15 [2024-11-17 04:02:07,356 INFO L226 Difference]: Without dead ends: 14 [2024-11-17 04:02:07,356 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:02:07,357 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 6 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,357 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 6 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:07,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-17 04:02:07,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-17 04:02:07,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2024-11-17 04:02:07,361 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 7 [2024-11-17 04:02:07,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,361 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2024-11-17 04:02:07,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,361 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2024-11-17 04:02:07,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-17 04:02:07,362 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:07,362 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:07,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:02:07,362 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:07,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:07,362 INFO L85 PathProgramCache]: Analyzing trace with hash 270980089, now seen corresponding path program 1 times [2024-11-17 04:02:07,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:07,363 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994476133] [2024-11-17 04:02:07,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994476133] [2024-11-17 04:02:07,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994476133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:07,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:07,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641533564] [2024-11-17 04:02:07,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:07,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:07,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:07,454 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,531 INFO L93 Difference]: Finished difference Result 33 states and 36 transitions. [2024-11-17 04:02:07,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:02:07,532 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-17 04:02:07,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,532 INFO L225 Difference]: With dead ends: 33 [2024-11-17 04:02:07,532 INFO L226 Difference]: Without dead ends: 32 [2024-11-17 04:02:07,532 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:02:07,533 INFO L432 NwaCegarLoop]: 5 mSDtfsCounter, 19 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,534 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 13 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:02:07,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-17 04:02:07,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 21. [2024-11-17 04:02:07,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 19 states have (on average 1.105263157894737) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2024-11-17 04:02:07,542 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 10 [2024-11-17 04:02:07,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,542 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2024-11-17 04:02:07,542 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,546 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2024-11-17 04:02:07,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:02:07,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:07,546 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:07,546 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:02:07,547 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:07,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:07,547 INFO L85 PathProgramCache]: Analyzing trace with hash -189551859, now seen corresponding path program 1 times [2024-11-17 04:02:07,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:07,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056701264] [2024-11-17 04:02:07,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056701264] [2024-11-17 04:02:07,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056701264] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:02:07,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:02:07,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113915749] [2024-11-17 04:02:07,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:02:07,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:02:07,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:07,598 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,628 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2024-11-17 04:02:07,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:02:07,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 04:02:07,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,629 INFO L225 Difference]: With dead ends: 21 [2024-11-17 04:02:07,629 INFO L226 Difference]: Without dead ends: 20 [2024-11-17 04:02:07,629 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:02:07,630 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,630 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:07,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-17 04:02:07,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-17 04:02:07,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 19 states have (on average 1.0526315789473684) internal successors, (20), 19 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) [2024-11-17 04:02:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2024-11-17 04:02:07,636 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 11 [2024-11-17 04:02:07,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,637 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2024-11-17 04:02:07,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,637 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2024-11-17 04:02:07,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:02:07,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:02:07,637 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:02:07,637 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-17 04:02:07,637 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-17 04:02:07,638 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:02:07,638 INFO L85 PathProgramCache]: Analyzing trace with hash 273702549, now seen corresponding path program 1 times [2024-11-17 04:02:07,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:02:07,638 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287970432] [2024-11-17 04:02:07,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:02:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,735 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,735 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:02:07,735 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287970432] [2024-11-17 04:02:07,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287970432] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:02:07,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631019730] [2024-11-17 04:02:07,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:02:07,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:02:07,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:02:07,738 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:02:07,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:02:07,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:02:07,769 INFO L255 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:02:07,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:02:07,871 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:02:07,872 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:02:07,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631019730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:02:07,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:02:07,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-17 04:02:07,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890621722] [2024-11-17 04:02:07,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:02:07,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:02:07,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:02:07,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:02:07,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:02:07,874 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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) [2024-11-17 04:02:07,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:02:07,894 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2024-11-17 04:02:07,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:02:07,895 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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 19 [2024-11-17 04:02:07,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:02:07,895 INFO L225 Difference]: With dead ends: 22 [2024-11-17 04:02:07,896 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:02:07,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:02:07,897 INFO L432 NwaCegarLoop]: 7 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:02:07,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 12 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:02:07,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:02:07,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:02:07,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:02:07,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:02:07,898 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2024-11-17 04:02:07,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:02:07,899 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:02:07,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 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) [2024-11-17 04:02:07,899 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:02:07,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:02:07,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:02:07,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:02:07,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:02:07,902 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:02:07,916 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-17 04:02:08,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-17 04:02:08,106 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-17 04:02:08,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:02:08,134 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:02:08,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:02:08 BoogieIcfgContainer [2024-11-17 04:02:08,141 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:02:08,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:02:08,142 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:02:08,142 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:02:08,142 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:02:06" (3/4) ... [2024-11-17 04:02:08,144 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:02:08,149 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2024-11-17 04:02:08,149 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:02:08,149 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-17 04:02:08,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:02:08,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:02:08,203 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:02:08,204 INFO L158 Benchmark]: Toolchain (without parser) took 1769.89ms. Allocated memory is still 220.2MB. Free memory was 151.1MB in the beginning and 122.4MB in the end (delta: 28.7MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2024-11-17 04:02:08,204 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:02:08,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 189.73ms. Allocated memory is still 220.2MB. Free memory was 150.8MB in the beginning and 139.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:02:08,204 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.04ms. Allocated memory is still 220.2MB. Free memory was 139.5MB in the beginning and 138.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:02:08,204 INFO L158 Benchmark]: Boogie Preprocessor took 19.77ms. Allocated memory is still 220.2MB. Free memory was 138.2MB in the beginning and 137.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:02:08,205 INFO L158 Benchmark]: IcfgBuilder took 212.02ms. Allocated memory is still 220.2MB. Free memory was 137.0MB in the beginning and 126.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 04:02:08,205 INFO L158 Benchmark]: TraceAbstraction took 1260.73ms. Allocated memory is still 220.2MB. Free memory was 126.0MB in the beginning and 126.6MB in the end (delta: -605.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:02:08,205 INFO L158 Benchmark]: Witness Printer took 61.51ms. Allocated memory is still 220.2MB. Free memory was 126.6MB in the beginning and 122.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:02:08,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 189.73ms. Allocated memory is still 220.2MB. Free memory was 150.8MB in the beginning and 139.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.04ms. Allocated memory is still 220.2MB. Free memory was 139.5MB in the beginning and 138.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.77ms. Allocated memory is still 220.2MB. Free memory was 138.2MB in the beginning and 137.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 212.02ms. Allocated memory is still 220.2MB. Free memory was 137.0MB in the beginning and 126.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1260.73ms. Allocated memory is still 220.2MB. Free memory was 126.0MB in the beginning and 126.6MB in the end (delta: -605.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.51ms. Allocated memory is still 220.2MB. Free memory was 126.6MB in the beginning and 122.4MB 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: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 11]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 10]: 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, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 28 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 52 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=4, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 79 NumberOfCodeBlocks, 79 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 377 SizeOfPredicates, 0 NumberOfNonLiveVariables, 25 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 7/14 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: 10]: Location Invariant Derived location invariant: null RESULT: Ultimate proved your program to be correct! [2024-11-17 04:02:08,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE