./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-3.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-memory-alloca/Masse-alloca-3.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash c13e2034092894ff121f9f8cdd951780330353a232326853bc1fae9ecd7878c1 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:07:49,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:07:49,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 09:07:49,604 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:07:49,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:07:49,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:07:49,625 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:07:49,625 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:07:49,625 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:07:49,625 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:07:49,625 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:07:49,626 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:07:49,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:07:49,626 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:07:49,627 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:07:49,627 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:07:49,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:07:49,627 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c13e2034092894ff121f9f8cdd951780330353a232326853bc1fae9ecd7878c1 [2025-02-08 09:07:49,877 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:07:49,882 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:07:49,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:07:49,885 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:07:49,885 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:07:49,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/Masse-alloca-3.i [2025-02-08 09:07:51,061 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463fb065c/67c7433bb0bc4d3abdcc1c1107d103d9/FLAG79a1e3d24 [2025-02-08 09:07:51,371 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:07:51,372 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/Masse-alloca-3.i [2025-02-08 09:07:51,384 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463fb065c/67c7433bb0bc4d3abdcc1c1107d103d9/FLAG79a1e3d24 [2025-02-08 09:07:51,648 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/463fb065c/67c7433bb0bc4d3abdcc1c1107d103d9 [2025-02-08 09:07:51,650 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:07:51,652 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:07:51,653 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:07:51,653 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:07:51,656 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:07:51,658 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,659 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62536908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51, skipping insertion in model container [2025-02-08 09:07:51,659 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:07:51,812 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:07:51,817 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:07:51,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:07:51,857 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:07:51,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51 WrapperNode [2025-02-08 09:07:51,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:07:51,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:07:51,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:07:51,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:07:51,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,868 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,877 INFO L138 Inliner]: procedures = 110, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2025-02-08 09:07:51,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:07:51,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:07:51,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:07:51,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:07:51,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,891 INFO L175 MemorySlicer]: Split 7 memory accesses to 1 slices as follows [7]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 3 writes are split as follows [3]. [2025-02-08 09:07:51,891 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,891 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,893 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,893 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,894 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:07:51,896 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:07:51,896 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:07:51,896 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:07:51,897 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (1/1) ... [2025-02-08 09:07:51,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:07:51,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:07:51,920 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 09:07:51,925 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 09:07:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-08 09:07:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-08 09:07:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 09:07:51,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 09:07:51,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:07:51,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:07:51,992 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:07:51,994 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:07:52,080 INFO L? ?]: Removed 13 outVars from TransFormulas that were not future-live. [2025-02-08 09:07:52,081 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:07:52,086 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:07:52,087 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:07:52,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:52 BoogieIcfgContainer [2025-02-08 09:07:52,087 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:07:52,089 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:07:52,089 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:07:52,092 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:07:52,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:07:51" (1/3) ... [2025-02-08 09:07:52,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa23b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:07:52, skipping insertion in model container [2025-02-08 09:07:52,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:07:51" (2/3) ... [2025-02-08 09:07:52,092 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa23b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:07:52, skipping insertion in model container [2025-02-08 09:07:52,092 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:52" (3/3) ... [2025-02-08 09:07:52,094 INFO L128 eAbstractionObserver]: Analyzing ICFG Masse-alloca-3.i [2025-02-08 09:07:52,110 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:07:52,112 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Masse-alloca-3.i that has 1 procedures, 24 locations, 1 initial locations, 1 loop locations, and 8 error locations. [2025-02-08 09:07:52,161 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:07:52,171 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;@75d8e2fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:07:52,172 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 09:07:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 states have internal predecessors, (27), 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 09:07:52,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:07:52,178 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:07:52,178 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:07:52,179 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:07:52,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:07:52,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1684285693, now seen corresponding path program 1 times [2025-02-08 09:07:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:07:52,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114251678] [2025-02-08 09:07:52,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:07:52,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:07:52,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:07:52,274 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:07:52,274 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:07:52,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:07:52,511 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 09:07:52,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:07:52,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114251678] [2025-02-08 09:07:52,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114251678] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:07:52,512 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:07:52,512 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:07:52,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739979648] [2025-02-08 09:07:52,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:07:52,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:07:52,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:07:52,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:07:52,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:07:52,535 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.8) internal successors, (27), 23 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:07:52,610 INFO L93 Difference]: Finished difference Result 27 states and 29 transitions. [2025-02-08 09:07:52,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:07:52,612 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:07:52,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:07:52,618 INFO L225 Difference]: With dead ends: 27 [2025-02-08 09:07:52,618 INFO L226 Difference]: Without dead ends: 19 [2025-02-08 09:07:52,620 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:07:52,621 INFO L435 NwaCegarLoop]: 13 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:07:52,622 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 27 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:07:52,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2025-02-08 09:07:52,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2025-02-08 09:07:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2025-02-08 09:07:52,645 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 6 [2025-02-08 09:07:52,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:07:52,645 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 21 transitions. [2025-02-08 09:07:52,645 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2025-02-08 09:07:52,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-08 09:07:52,645 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:07:52,645 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-08 09:07:52,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 09:07:52,646 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:07:52,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:07:52,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1684285405, now seen corresponding path program 1 times [2025-02-08 09:07:52,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:07:52,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69304914] [2025-02-08 09:07:52,646 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:07:52,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:07:52,663 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-08 09:07:52,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-08 09:07:52,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:07:52,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:07:52,757 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 09:07:52,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:07:52,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [69304914] [2025-02-08 09:07:52,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [69304914] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:07:52,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:07:52,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:07:52,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407197079] [2025-02-08 09:07:52,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:07:52,759 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:07:52,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:07:52,759 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:07:52,759 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:07:52,759 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:07:52,802 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2025-02-08 09:07:52,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:07:52,803 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-08 09:07:52,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:07:52,803 INFO L225 Difference]: With dead ends: 19 [2025-02-08 09:07:52,803 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 09:07:52,803 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:07:52,804 INFO L435 NwaCegarLoop]: 9 mSDtfsCounter, 27 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:07:52,804 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 18 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:07:52,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 09:07:52,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-08 09:07:52,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 16 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2025-02-08 09:07:52,806 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 6 [2025-02-08 09:07:52,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:07:52,806 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2025-02-08 09:07:52,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2025-02-08 09:07:52,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:07:52,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:07:52,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:07:52,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:07:52,810 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:07:52,810 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:07:52,810 INFO L85 PathProgramCache]: Analyzing trace with hash 673248915, now seen corresponding path program 1 times [2025-02-08 09:07:52,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:07:52,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837185463] [2025-02-08 09:07:52,810 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:07:52,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:07:52,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:07:52,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:07:52,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:07:52,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:07:52,951 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 09:07:52,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:07:52,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837185463] [2025-02-08 09:07:52,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837185463] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:07:52,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:07:52,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:07:52,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758541735] [2025-02-08 09:07:52,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:07:52,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:07:52,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:07:52,954 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:07:52,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:07:52,954 INFO L87 Difference]: Start difference. First operand 17 states and 19 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:07:52,983 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2025-02-08 09:07:52,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:07:52,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 09:07:52,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:07:52,984 INFO L225 Difference]: With dead ends: 18 [2025-02-08 09:07:52,984 INFO L226 Difference]: Without dead ends: 16 [2025-02-08 09:07:52,984 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:07:52,985 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 13 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:07:52,985 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 15 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:07:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2025-02-08 09:07:52,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2025-02-08 09:07:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 14 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-08 09:07:52,987 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 7 [2025-02-08 09:07:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:07:52,987 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-08 09:07:52,987 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:52,987 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-08 09:07:52,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-08 09:07:52,987 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:07:52,987 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:07:52,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:07:52,987 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 09:07:52,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:07:52,990 INFO L85 PathProgramCache]: Analyzing trace with hash 673239978, now seen corresponding path program 1 times [2025-02-08 09:07:52,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:07:52,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717930889] [2025-02-08 09:07:52,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:07:52,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:07:52,998 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-08 09:07:53,000 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-08 09:07:53,000 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:07:53,000 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:07:53,055 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 09:07:53,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:07:53,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717930889] [2025-02-08 09:07:53,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717930889] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:07:53,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:07:53,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:07:53,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192989906] [2025-02-08 09:07:53,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:07:53,056 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:07:53,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:07:53,057 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:07:53,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:07:53,058 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:53,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:07:53,086 INFO L93 Difference]: Finished difference Result 16 states and 18 transitions. [2025-02-08 09:07:53,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:07:53,087 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-08 09:07:53,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:07:53,088 INFO L225 Difference]: With dead ends: 16 [2025-02-08 09:07:53,088 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 09:07:53,088 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:07:53,088 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 19 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:07:53,089 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:07:53,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 09:07:53,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 09:07:53,090 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 09:07:53,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 09:07:53,090 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 7 [2025-02-08 09:07:53,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:07:53,090 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 09:07:53,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.75) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 09:07:53,091 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 09:07:53,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 09:07:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-02-08 09:07:53,093 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-02-08 09:07:53,094 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-02-08 09:07:53,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 09:07:53,097 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-02-08 09:07:53,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 09:07:53,106 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 09:07:53,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 09:07:53 BoogieIcfgContainer [2025-02-08 09:07:53,115 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 09:07:53,116 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 09:07:53,116 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 09:07:53,116 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 09:07:53,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:07:52" (3/4) ... [2025-02-08 09:07:53,118 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 09:07:53,122 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 09:07:53,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-08 09:07:53,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 09:07:53,123 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 09:07:53,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 09:07:53,179 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 09:07:53,179 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 09:07:53,181 INFO L158 Benchmark]: Toolchain (without parser) took 1527.92ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 68.5MB in the end (delta: 37.2MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2025-02-08 09:07:53,182 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:53,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.81ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 89.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:07:53,182 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.44ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.5MB in the end (delta: 864.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:53,183 INFO L158 Benchmark]: Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:53,183 INFO L158 Benchmark]: IcfgBuilder took 190.97ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 75.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 09:07:53,183 INFO L158 Benchmark]: TraceAbstraction took 1026.50ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 73.9MB in the end (delta: 610.8kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 09:07:53,183 INFO L158 Benchmark]: Witness Printer took 63.37ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 68.5MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 09:07:53,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.81ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 89.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.44ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.5MB in the end (delta: 864.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.54ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 86.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 190.97ms. Allocated memory is still 142.6MB. Free memory was 86.8MB in the beginning and 75.4MB in the end (delta: 11.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1026.50ms. Allocated memory is still 142.6MB. Free memory was 74.5MB in the beginning and 73.9MB in the end (delta: 610.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 63.37ms. Allocated memory is still 142.6MB. Free memory was 73.9MB in the beginning and 68.5MB in the end (delta: 5.4MB). 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: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 552]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 554]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 76 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 76 mSDsluCounter, 71 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 35 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 36 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 20, 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, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 110 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 09:07:53,199 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