./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:39:33,098 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:39:33,144 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:39:33,149 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:39:33,150 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:39:33,165 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:39:33,166 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:39:33,166 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:39:33,166 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:39:33,166 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:39:33,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:39:33,167 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:39:33,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:39:33,167 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:39:33,167 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:39:33,168 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:39:33,168 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:39:33,169 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:39:33,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:39:33,169 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:39:33,170 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 64ec747f16f85f34120a83cb220678bef4299bbd9b6be63566dcb373d7bbd3fe [2025-02-08 09:39:33,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:39:33,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:39:33,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:39:33,467 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:39:33,467 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:39:33,468 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2025-02-08 09:39:34,802 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02d77ce99/26c9bba9117d4e10aeeaa5b0f68828c2/FLAGe6d87fb8e [2025-02-08 09:39:34,976 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:39:34,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound50.c [2025-02-08 09:39:34,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02d77ce99/26c9bba9117d4e10aeeaa5b0f68828c2/FLAGe6d87fb8e [2025-02-08 09:39:34,991 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/02d77ce99/26c9bba9117d4e10aeeaa5b0f68828c2 [2025-02-08 09:39:34,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:39:34,993 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:39:34,994 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:39:34,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:39:34,997 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:39:34,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:39:34" (1/1) ... [2025-02-08 09:39:34,998 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bd18c80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:34, skipping insertion in model container [2025-02-08 09:39:34,998 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:39:34" (1/1) ... [2025-02-08 09:39:35,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:39:35,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:39:35,141 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:39:35,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:39:35,166 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:39:35,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35 WrapperNode [2025-02-08 09:39:35,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:39:35,168 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:39:35,168 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:39:35,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:39:35,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,195 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2025-02-08 09:39:35,196 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:39:35,197 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:39:35,197 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:39:35,197 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:39:35,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,204 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,215 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]. [2025-02-08 09:39:35,216 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,216 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,218 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,219 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,220 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,220 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:39:35,221 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:39:35,221 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:39:35,221 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:39:35,222 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (1/1) ... [2025-02-08 09:39:35,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:39:35,233 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:39:35,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:39:35,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:39:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:39:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:39:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:39:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:39:35,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:39:35,264 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:39:35,305 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:39:35,307 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:39:35,427 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-02-08 09:39:35,427 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:39:35,434 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:39:35,434 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:39:35,434 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:39:35 BoogieIcfgContainer [2025-02-08 09:39:35,434 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:39:35,437 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:39:35,437 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:39:35,440 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:39:35,440 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:39:34" (1/3) ... [2025-02-08 09:39:35,441 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c1416c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:39:35, skipping insertion in model container [2025-02-08 09:39:35,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:39:35" (2/3) ... [2025-02-08 09:39:35,442 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15c1416c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:39:35, skipping insertion in model container [2025-02-08 09:39:35,442 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:39:35" (3/3) ... [2025-02-08 09:39:35,443 INFO L128 eAbstractionObserver]: Analyzing ICFG geo3-ll_unwindbound50.c [2025-02-08 09:39:35,452 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:39:35,454 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG geo3-ll_unwindbound50.c that has 2 procedures, 21 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2025-02-08 09:39:35,492 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:39:35,502 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;@2797d8e1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:39:35,502 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 09:39:35,506 INFO L276 IsEmpty]: Start isEmpty. Operand has 21 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:39:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2025-02-08 09:39:35,509 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:39:35,509 INFO L218 NwaCegarLoop]: trace histogram [1, 1] [2025-02-08 09:39:35,509 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)] === [2025-02-08 09:39:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:39:35,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1568, now seen corresponding path program 1 times [2025-02-08 09:39:35,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:39:35,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487655720] [2025-02-08 09:39:35,520 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:35,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:39:35,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 09:39:35,576 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 09:39:35,577 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:35,577 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:39:35,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [651271988] [2025-02-08 09:39:35,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:35,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:39:35,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:39:35,583 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:39:35,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:39:35,613 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 2 statements into 1 equivalence classes. [2025-02-08 09:39:35,624 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 2 of 2 statements. [2025-02-08 09:39:35,624 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:35,624 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:35,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:39:35,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:39:35,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:35,674 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:39:35,674 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:39:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487655720] [2025-02-08 09:39:35,674 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:39:35,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651271988] [2025-02-08 09:39:35,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651271988] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:39:35,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:39:35,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 09:39:35,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184324992] [2025-02-08 09:39:35,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:39:35,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:39:35,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:39:35,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:39:35,694 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:39:35,695 INFO L87 Difference]: Start difference. First operand has 21 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 17 states have internal predecessors, (21), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2025-02-08 09:39:35,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:39:35,720 INFO L93 Difference]: Finished difference Result 37 states and 47 transitions. [2025-02-08 09:39:35,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:39:35,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 2 [2025-02-08 09:39:35,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:39:35,727 INFO L225 Difference]: With dead ends: 37 [2025-02-08 09:39:35,727 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 09:39:35,729 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:39:35,731 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 11 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:39:35,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 24 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:39:35,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 09:39:35,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 09:39:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:35,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2025-02-08 09:39:35,757 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 2 [2025-02-08 09:39:35,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:39:35,757 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2025-02-08 09:39:35,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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) [2025-02-08 09:39:35,758 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2025-02-08 09:39:35,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 09:39:35,758 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:39:35,758 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 09:39:35,765 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:39:35,959 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:39:35,960 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)] === [2025-02-08 09:39:35,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:39:35,960 INFO L85 PathProgramCache]: Analyzing trace with hash 46697327, now seen corresponding path program 1 times [2025-02-08 09:39:35,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:39:35,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885561142] [2025-02-08 09:39:35,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:35,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:39:35,972 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 09:39:35,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 09:39:35,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:35,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:36,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:36,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:39:36,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885561142] [2025-02-08 09:39:36,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885561142] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:39:36,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:39:36,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:39:36,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1747709288] [2025-02-08 09:39:36,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:39:36,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:39:36,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:39:36,109 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:39:36,109 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:39:36,109 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-02-08 09:39:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:39:36,154 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2025-02-08 09:39:36,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:39:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2025-02-08 09:39:36,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:39:36,156 INFO L225 Difference]: With dead ends: 21 [2025-02-08 09:39:36,156 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 09:39:36,156 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:39:36,157 INFO L435 NwaCegarLoop]: 11 mSDtfsCounter, 4 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:39:36,157 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 28 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:39:36,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 09:39:36,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2025-02-08 09:39:36,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 15 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2025-02-08 09:39:36,161 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 5 [2025-02-08 09:39:36,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:39:36,161 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2025-02-08 09:39:36,162 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2025-02-08 09:39:36,162 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2025-02-08 09:39:36,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-02-08 09:39:36,162 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:39:36,162 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:39:36,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:39:36,162 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:39:36,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:39:36,162 INFO L85 PathProgramCache]: Analyzing trace with hash -790082574, now seen corresponding path program 1 times [2025-02-08 09:39:36,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:39:36,163 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163414364] [2025-02-08 09:39:36,163 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:36,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:39:36,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:39:36,184 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:39:36,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:36,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:36,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:36,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:39:36,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163414364] [2025-02-08 09:39:36,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163414364] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:39:36,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [277783001] [2025-02-08 09:39:36,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:36,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:39:36,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:39:36,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:39:36,309 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:39:36,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-02-08 09:39:36,353 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-02-08 09:39:36,354 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:36,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:36,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:39:36,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:39:36,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:36,439 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:39:36,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [277783001] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:39:36,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:39:36,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:39:36,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165615928] [2025-02-08 09:39:36,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:39:36,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:39:36,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:39:36,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:39:36,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:39:36,442 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:39:36,465 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2025-02-08 09:39:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:39:36,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2025-02-08 09:39:36,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:39:36,466 INFO L225 Difference]: With dead ends: 18 [2025-02-08 09:39:36,467 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 09:39:36,467 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2025-02-08 09:39:36,467 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 8 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:39:36,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 17 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:39:36,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 09:39:36,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-08 09:39:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2025-02-08 09:39:36,470 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2025-02-08 09:39:36,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:39:36,470 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2025-02-08 09:39:36,470 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,470 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2025-02-08 09:39:36,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 09:39:36,470 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:39:36,470 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:39:36,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-02-08 09:39:36,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:39:36,674 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 09:39:36,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:39:36,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1277243961, now seen corresponding path program 1 times [2025-02-08 09:39:36,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:39:36,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355721611] [2025-02-08 09:39:36,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:36,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:39:36,678 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:39:36,683 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:39:36,683 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:36,683 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:36,772 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:36,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:39:36,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355721611] [2025-02-08 09:39:36,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1355721611] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:39:36,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793824621] [2025-02-08 09:39:36,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:39:36,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:39:36,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:39:36,775 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:39:36,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:39:36,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 09:39:36,811 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 09:39:36,811 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:39:36,811 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:39:36,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 09:39:36,813 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:39:36,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 09:39:36,845 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:39:36,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793824621] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:39:36,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:39:36,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-02-08 09:39:36,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205033284] [2025-02-08 09:39:36,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:39:36,846 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:39:36,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:39:36,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:39:36,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:39:36,846 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:39:36,874 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2025-02-08 09:39:36,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:39:36,874 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2025-02-08 09:39:36,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:39:36,874 INFO L225 Difference]: With dead ends: 17 [2025-02-08 09:39:36,874 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:39:36,875 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-02-08 09:39:36,875 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 6 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:39:36,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:39:36,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:39:36,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:39:36,876 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) [2025-02-08 09:39:36,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:39:36,876 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2025-02-08 09:39:36,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:39:36,876 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:39:36,876 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 09:39:36,876 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:39:36,876 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:39:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 09:39:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 09:39:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 09:39:36,878 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 09:39:36,884 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:39:37,081 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:39:37,083 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 09:39:37,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:39:37,141 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:39:37,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:39:37 BoogieIcfgContainer [2025-02-08 09:39:37,151 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:39:37,151 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:39:37,151 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:39:37,152 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:39:37,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:39:35" (3/4) ... [2025-02-08 09:39:37,154 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:39:37,156 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2025-02-08 09:39:37,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-08 09:39:37,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:39:37,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 09:39:37,158 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:39:37,209 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:39:37,210 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:39:37,210 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:39:37,212 INFO L158 Benchmark]: Toolchain (without parser) took 2217.03ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 77.7MB in the end (delta: 36.0MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2025-02-08 09:39:37,212 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.52ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 102.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.08ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 951.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: Boogie Preprocessor took 23.65ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.4MB in the end (delta: 971.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: IcfgBuilder took 213.55ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 87.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: TraceAbstraction took 1713.88ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 83.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2025-02-08 09:39:37,213 INFO L158 Benchmark]: Witness Printer took 58.65ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 77.7MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:39:37,215 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 201.3MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 173.52ms. Allocated memory is still 142.6MB. Free memory was 113.7MB in the beginning and 102.4MB in the end (delta: 11.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.08ms. Allocated memory is still 142.6MB. Free memory was 102.4MB in the beginning and 101.4MB in the end (delta: 951.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.65ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 100.4MB in the end (delta: 971.2kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 213.55ms. Allocated memory is still 142.6MB. Free memory was 100.4MB in the beginning and 87.8MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1713.88ms. Allocated memory is still 142.6MB. Free memory was 87.3MB in the beginning and 83.7MB in the end (delta: 3.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 58.65ms. Allocated memory is still 142.6MB. Free memory was 83.7MB in the beginning and 77.7MB in the end (delta: 6.0MB). Peak memory consumption was 8.4MB. 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: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 21 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 29 mSDsluCounter, 92 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 45 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 47 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, InterpolantAutomatonStates: 17, 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, 4 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 199 SizeOfPredicates, 3 NumberOfNonLiveVariables, 167 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 5/10 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 35]: Location Invariant Derived location invariant: ((((((0 <= (counter + 2147483648)) && (0 <= (a + 2147483648))) && (a <= 2147483647)) && (z <= 2147483647)) && (0 <= (z + 2147483648))) && (counter <= 50)) RESULT: Ultimate proved your program to be correct! [2025-02-08 09:39:37,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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