./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/loops/terminator_02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/loops/terminator_02-1.c -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 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:10:32,310 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:10:32,363 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:10:32,367 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:10:32,367 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:10:32,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:10:32,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:10:32,386 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:10:32,386 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:10:32,387 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:10:32,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:10:32,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:10:32,388 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:10:32,389 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:10:32,389 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:10:32,390 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:10:32,390 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:10:32,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:10:32,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:10:32,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:10:32,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:10:32,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:10:32,394 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:10:32,394 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:10:32,395 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:10:32,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:10:32,395 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:10:32,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:10:32,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:10:32,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:10:32,396 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:10:32,397 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:10:32,397 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:10:32,397 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:10:32,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:10:32,398 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:10:32,398 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:10:32,398 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:10:32,398 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:10:32,398 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:10:32,399 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:10:32,399 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:10:32,399 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:10:32,399 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:10:32,399 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 314932412eeed441a28cefb8ae3e569787d9db1ef6d3b76281c1ff69eee43f8b [2024-11-17 04:10:32,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:10:32,605 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:10:32,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:10:32,608 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:10:32,608 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:10:32,609 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/terminator_02-1.c [2024-11-17 04:10:33,830 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:10:33,983 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:10:33,984 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/terminator_02-1.c [2024-11-17 04:10:33,993 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db6d357d/64df9e9dbb774dbcbd383e9d70db7e8d/FLAG17af89c17 [2024-11-17 04:10:34,383 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1db6d357d/64df9e9dbb774dbcbd383e9d70db7e8d [2024-11-17 04:10:34,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:10:34,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:10:34,392 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:10:34,392 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:10:34,396 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:10:34,397 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,397 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e59023e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34, skipping insertion in model container [2024-11-17 04:10:34,398 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,410 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:10:34,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:10:34,548 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:10:34,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:10:34,569 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:10:34,570 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34 WrapperNode [2024-11-17 04:10:34,570 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:10:34,571 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:10:34,571 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:10:34,571 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:10:34,576 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,580 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,606 INFO L138 Inliner]: procedures = 14, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2024-11-17 04:10:34,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:10:34,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:10:34,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:10:34,607 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:10:34,616 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,617 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,624 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-17 04:10:34,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,626 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,628 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:10:34,629 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:10:34,629 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:10:34,629 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:10:34,630 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (1/1) ... [2024-11-17 04:10:34,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:10:34,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:10:34,670 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 04:10:34,671 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 04:10:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:10:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:10:34,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:10:34,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:10:34,747 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:10:34,748 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:10:34,846 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-17 04:10:34,846 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:10:34,858 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:10:34,859 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:10:34,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:34 BoogieIcfgContainer [2024-11-17 04:10:34,859 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:10:34,861 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:10:34,861 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:10:34,863 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:10:34,863 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:10:34" (1/3) ... [2024-11-17 04:10:34,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bfa694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:10:34, skipping insertion in model container [2024-11-17 04:10:34,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:10:34" (2/3) ... [2024-11-17 04:10:34,864 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bfa694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:10:34, skipping insertion in model container [2024-11-17 04:10:34,864 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:34" (3/3) ... [2024-11-17 04:10:34,865 INFO L112 eAbstractionObserver]: Analyzing ICFG terminator_02-1.c [2024-11-17 04:10:34,877 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:10:34,877 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2024-11-17 04:10:34,927 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:10:34,932 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;@465cae4b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:10:34,933 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-11-17 04:10:34,936 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.4545454545454546) internal successors, (32), 28 states have internal predecessors, (32), 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 04:10:34,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:10:34,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:10:34,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:10:34,940 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-11-17 04:10:34,944 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:10:34,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1892324190, now seen corresponding path program 1 times [2024-11-17 04:10:34,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:10:34,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235779354] [2024-11-17 04:10:34,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:10:34,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:10:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 04:10:35,038 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-17 04:10:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-17 04:10:35,070 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-17 04:10:35,072 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-17 04:10:35,073 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-11-17 04:10:35,074 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-11-17 04:10:35,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-11-17 04:10:35,075 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-11-17 04:10:35,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-11-17 04:10:35,076 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-11-17 04:10:35,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:10:35,080 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-17 04:10:35,091 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:10:35,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:10:35 BoogieIcfgContainer [2024-11-17 04:10:35,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:10:35,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:10:35,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:10:35,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:10:35,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:10:34" (3/4) ... [2024-11-17 04:10:35,095 INFO L137 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-17 04:10:35,117 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:10:35,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:10:35,118 INFO L158 Benchmark]: Toolchain (without parser) took 730.39ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 78.6MB in the beginning and 145.8MB in the end (delta: -67.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:10:35,118 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 151.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:10:35,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 178.47ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 66.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:10:35,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.05ms. Allocated memory is still 151.0MB. Free memory was 66.3MB in the beginning and 121.9MB in the end (delta: -55.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-11-17 04:10:35,119 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 151.0MB. Free memory was 121.8MB in the beginning and 120.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:10:35,120 INFO L158 Benchmark]: IcfgBuilder took 229.85ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 120.2MB in the beginning and 162.6MB in the end (delta: -42.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 04:10:35,120 INFO L158 Benchmark]: TraceAbstraction took 232.69ms. Allocated memory is still 201.3MB. Free memory was 161.6MB in the beginning and 146.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-17 04:10:35,120 INFO L158 Benchmark]: Witness Printer took 23.28ms. Allocated memory is still 201.3MB. Free memory was 146.9MB in the beginning and 145.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:10:35,122 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.68ms. Allocated memory is still 151.0MB. Free memory is still 99.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 178.47ms. Allocated memory is still 151.0MB. Free memory was 78.4MB in the beginning and 66.3MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.05ms. Allocated memory is still 151.0MB. Free memory was 66.3MB in the beginning and 121.9MB in the end (delta: -55.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 151.0MB. Free memory was 121.8MB in the beginning and 120.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 229.85ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 120.2MB in the beginning and 162.6MB in the end (delta: -42.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 232.69ms. Allocated memory is still 201.3MB. Free memory was 161.6MB in the beginning and 146.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 23.28ms. Allocated memory is still 201.3MB. Free memory was 146.9MB in the beginning and 145.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 29]: integer overflow possible integer overflow possible We found a FailurePath: [L16] int x=__VERIFIER_nondet_int(); [L17] int y=__VERIFIER_nondet_int(); [L18] int z=__VERIFIER_nondet_int(); [L20] COND TRUE x<100 && 100