./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c --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-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c -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 cf5951cf7c939342bb5d014c8a7a12e4f95042e50c8d2f477b21d0a3234d49fe --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 08:57:23,995 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 08:57:24,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 08:57:24,057 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 08:57:24,057 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 08:57:24,076 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 08:57:24,077 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 08:57:24,077 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 08:57:24,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 08:57:24,077 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 08:57:24,077 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 08:57:24,077 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 08:57:24,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 08:57:24,078 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 08:57:24,078 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 08:57:24,078 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:57:24,078 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 08:57:24,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 08:57:24,079 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 -> cf5951cf7c939342bb5d014c8a7a12e4f95042e50c8d2f477b21d0a3234d49fe [2025-02-08 08:57:24,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 08:57:24,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 08:57:24,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 08:57:24,317 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 08:57:24,317 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 08:57:24,318 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c [2025-02-08 08:57:25,551 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37dba492e/236db6eb96c442f3b5289b24331b52fe/FLAG5a9c090b1 [2025-02-08 08:57:25,771 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 08:57:25,772 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c [2025-02-08 08:57:25,780 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37dba492e/236db6eb96c442f3b5289b24331b52fe/FLAG5a9c090b1 [2025-02-08 08:57:25,800 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/37dba492e/236db6eb96c442f3b5289b24331b52fe [2025-02-08 08:57:25,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 08:57:25,807 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 08:57:25,808 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 08:57:25,808 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 08:57:25,812 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 08:57:25,812 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,814 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4424c496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25, skipping insertion in model container [2025-02-08 08:57:25,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,824 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 08:57:25,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:57:25,913 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 08:57:25,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 08:57:25,928 INFO L204 MainTranslator]: Completed translation [2025-02-08 08:57:25,929 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25 WrapperNode [2025-02-08 08:57:25,929 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 08:57:25,929 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 08:57:25,929 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 08:57:25,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 08:57:25,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,936 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,945 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2025-02-08 08:57:25,945 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 08:57:25,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 08:57:25,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 08:57:25,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 08:57:25,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,951 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,954 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 08:57:25,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,959 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 08:57:25,961 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 08:57:25,961 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 08:57:25,961 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 08:57:25,961 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (1/1) ... [2025-02-08 08:57:25,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 08:57:25,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:25,987 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 08:57:25,992 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 08:57:26,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 08:57:26,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 08:57:26,050 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 08:57:26,051 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 08:57:26,114 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2025-02-08 08:57:26,114 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 08:57:26,119 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 08:57:26,120 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 08:57:26,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:57:26 BoogieIcfgContainer [2025-02-08 08:57:26,120 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 08:57:26,121 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 08:57:26,122 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 08:57:26,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 08:57:26,124 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 08:57:25" (1/3) ... [2025-02-08 08:57:26,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bdd468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:57:26, skipping insertion in model container [2025-02-08 08:57:26,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 08:57:25" (2/3) ... [2025-02-08 08:57:26,125 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47bdd468 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 08:57:26, skipping insertion in model container [2025-02-08 08:57:26,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:57:26" (3/3) ... [2025-02-08 08:57:26,126 INFO L128 eAbstractionObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Introduction.c [2025-02-08 08:57:26,134 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 08:57:26,135 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG BrockschmidtCookFuhs-CAV2013-Introduction.c that has 1 procedures, 12 locations, 1 initial locations, 1 loop locations, and 4 error locations. [2025-02-08 08:57:26,187 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 08:57:26,201 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;@35153c0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 08:57:26,202 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-08 08:57:26,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 11 states have internal predecessors, (12), 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 08:57:26,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-02-08 08:57:26,213 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:26,214 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-02-08 08:57:26,214 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 08:57:26,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:26,219 INFO L85 PathProgramCache]: Analyzing trace with hash 39688, now seen corresponding path program 1 times [2025-02-08 08:57:26,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:26,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968116219] [2025-02-08 08:57:26,224 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:26,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:26,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-02-08 08:57:26,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-02-08 08:57:26,278 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:26,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:26,370 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 08:57:26,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:26,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968116219] [2025-02-08 08:57:26,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968116219] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:57:26,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:57:26,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 08:57:26,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21971032] [2025-02-08 08:57:26,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:57:26,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 08:57:26,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:26,385 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 08:57:26,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 08:57:26,387 INFO L87 Difference]: Start difference. First operand has 12 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 08:57:26,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:26,437 INFO L93 Difference]: Finished difference Result 19 states and 22 transitions. [2025-02-08 08:57:26,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 08:57:26,439 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 3 [2025-02-08 08:57:26,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:26,442 INFO L225 Difference]: With dead ends: 19 [2025-02-08 08:57:26,443 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 08:57:26,444 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 08:57:26,446 INFO L435 NwaCegarLoop]: 6 mSDtfsCounter, 5 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:26,446 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 9 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:26,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 08:57:26,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 08:57:26,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.5454545454545454) 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 08:57:26,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2025-02-08 08:57:26,464 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 3 [2025-02-08 08:57:26,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:26,464 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2025-02-08 08:57:26,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.0) internal successors, (3), 3 states have internal predecessors, (3), 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 08:57:26,465 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2025-02-08 08:57:26,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-08 08:57:26,465 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:26,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-08 08:57:26,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 08:57:26,465 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:26,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:26,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1230303, now seen corresponding path program 1 times [2025-02-08 08:57:26,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:26,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39822691] [2025-02-08 08:57:26,466 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:26,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:26,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-08 08:57:26,470 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-08 08:57:26,470 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:26,470 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:26,486 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 08:57:26,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:26,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39822691] [2025-02-08 08:57:26,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39822691] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:57:26,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:57:26,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:57:26,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209029026] [2025-02-08 08:57:26,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:57:26,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:57:26,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:26,488 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:57:26,488 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:57:26,488 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:26,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:26,503 INFO L93 Difference]: Finished difference Result 16 states and 17 transitions. [2025-02-08 08:57:26,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:57:26,503 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2025-02-08 08:57:26,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:26,503 INFO L225 Difference]: With dead ends: 16 [2025-02-08 08:57:26,503 INFO L226 Difference]: Without dead ends: 15 [2025-02-08 08:57:26,504 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 08:57:26,504 INFO L435 NwaCegarLoop]: 7 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:26,504 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 7 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:26,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2025-02-08 08:57:26,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2025-02-08 08:57:26,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 14 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:26,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2025-02-08 08:57:26,506 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 4 [2025-02-08 08:57:26,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:26,507 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2025-02-08 08:57:26,507 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:26,507 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2025-02-08 08:57:26,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-08 08:57:26,507 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:26,507 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-08 08:57:26,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 08:57:26,507 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 08:57:26,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:26,508 INFO L85 PathProgramCache]: Analyzing trace with hash 38139366, now seen corresponding path program 1 times [2025-02-08 08:57:26,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:26,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032916722] [2025-02-08 08:57:26,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:26,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:26,511 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-08 08:57:26,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-08 08:57:26,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:26,513 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:26,531 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 08:57:26,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:26,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032916722] [2025-02-08 08:57:26,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1032916722] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:57:26,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 08:57:26,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-02-08 08:57:26,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962942786] [2025-02-08 08:57:26,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:57:26,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 08:57:26,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:26,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 08:57:26,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 08:57:26,533 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 08:57:26,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:26,544 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2025-02-08 08:57:26,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 08:57:26,544 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 08:57:26,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:26,545 INFO L225 Difference]: With dead ends: 15 [2025-02-08 08:57:26,545 INFO L226 Difference]: Without dead ends: 14 [2025-02-08 08:57:26,545 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 08:57:26,546 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:26,546 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:26,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2025-02-08 08:57:26,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2025-02-08 08:57:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 13 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:26,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2025-02-08 08:57:26,548 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 5 [2025-02-08 08:57:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:26,548 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2025-02-08 08:57:26,548 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 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 08:57:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2025-02-08 08:57:26,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-02-08 08:57:26,549 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:26,549 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2025-02-08 08:57:26,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 08:57:26,549 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:26,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:26,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1956509477, now seen corresponding path program 1 times [2025-02-08 08:57:26,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:26,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850408920] [2025-02-08 08:57:26,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:26,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:26,553 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:57:26,556 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:57:26,556 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:26,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:26,616 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 08:57:26,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:26,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850408920] [2025-02-08 08:57:26,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850408920] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:26,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180881022] [2025-02-08 08:57:26,617 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:26,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:26,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:26,619 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 08:57:26,621 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 08:57:26,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-02-08 08:57:26,645 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-02-08 08:57:26,645 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:26,646 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:26,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:57:26,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:26,693 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 08:57:26,695 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:26,741 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 08:57:26,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180881022] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:26,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:26,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-02-08 08:57:26,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750530394] [2025-02-08 08:57:26,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:26,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 08:57:26,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:26,742 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 08:57:26,743 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2025-02-08 08:57:26,743 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 08:57:26,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:26,836 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2025-02-08 08:57:26,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-02-08 08:57:26,836 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-02-08 08:57:26,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:26,837 INFO L225 Difference]: With dead ends: 20 [2025-02-08 08:57:26,837 INFO L226 Difference]: Without dead ends: 18 [2025-02-08 08:57:26,837 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=93, Unknown=0, NotChecked=0, Total=156 [2025-02-08 08:57:26,837 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 9 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:26,837 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 3 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2025-02-08 08:57:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2025-02-08 08:57:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 16 states have (on average 1.1875) internal successors, (19), 17 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 08:57:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2025-02-08 08:57:26,843 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 8 [2025-02-08 08:57:26,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:26,843 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2025-02-08 08:57:26,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.25) internal successors, (18), 8 states have internal predecessors, (18), 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 08:57:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2025-02-08 08:57:26,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-02-08 08:57:26,847 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:26,847 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2025-02-08 08:57:26,855 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 08:57:27,048 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,049 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:27,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:27,049 INFO L85 PathProgramCache]: Analyzing trace with hash -522251668, now seen corresponding path program 1 times [2025-02-08 08:57:27,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:27,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442080362] [2025-02-08 08:57:27,049 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:27,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:27,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:57:27,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:57:27,057 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:27,057 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,131 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 08:57:27,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:27,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442080362] [2025-02-08 08:57:27,132 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442080362] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:27,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [845641192] [2025-02-08 08:57:27,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:27,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:27,134 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 08:57:27,136 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 08:57:27,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-02-08 08:57:27,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-02-08 08:57:27,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:27,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 08:57:27,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:27,236 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 08:57:27,236 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 08:57:27,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [845641192] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 08:57:27,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 08:57:27,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 6 [2025-02-08 08:57:27,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283333174] [2025-02-08 08:57:27,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 08:57:27,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 08:57:27,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:27,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 08:57:27,237 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:57:27,237 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:57:27,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:27,264 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2025-02-08 08:57:27,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 08:57:27,264 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2025-02-08 08:57:27,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:27,265 INFO L225 Difference]: With dead ends: 18 [2025-02-08 08:57:27,265 INFO L226 Difference]: Without dead ends: 17 [2025-02-08 08:57:27,265 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2025-02-08 08:57:27,266 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 1 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:27,266 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:27,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2025-02-08 08:57:27,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2025-02-08 08:57:27,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 16 states have (on average 1.0625) internal successors, (17), 16 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 08:57:27,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2025-02-08 08:57:27,268 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 9 [2025-02-08 08:57:27,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:27,268 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2025-02-08 08:57:27,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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 08:57:27,268 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2025-02-08 08:57:27,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2025-02-08 08:57:27,269 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:27,269 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1] [2025-02-08 08:57:27,279 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 08:57:27,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,473 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:27,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:27,473 INFO L85 PathProgramCache]: Analyzing trace with hash 393219805, now seen corresponding path program 1 times [2025-02-08 08:57:27,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:27,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556310471] [2025-02-08 08:57:27,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:27,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:27,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 08:57:27,479 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 08:57:27,479 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:27,479 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,514 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:27,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556310471] [2025-02-08 08:57:27,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556310471] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:27,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529385289] [2025-02-08 08:57:27,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 08:57:27,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:27,516 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 08:57:27,517 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 08:57:27,533 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 16 statements into 1 equivalence classes. [2025-02-08 08:57:27,537 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 16 of 16 statements. [2025-02-08 08:57:27,537 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 08:57:27,537 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,537 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-08 08:57:27,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:27,557 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:27,595 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:27,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529385289] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:27,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:27,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-02-08 08:57:27,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928897712] [2025-02-08 08:57:27,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:27,596 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-08 08:57:27,596 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:27,597 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-08 08:57:27,597 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:57:27,597 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:27,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:27,631 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2025-02-08 08:57:27,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 08:57:27,632 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2025-02-08 08:57:27,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:27,632 INFO L225 Difference]: With dead ends: 38 [2025-02-08 08:57:27,632 INFO L226 Difference]: Without dead ends: 37 [2025-02-08 08:57:27,632 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2025-02-08 08:57:27,633 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:27,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 9 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:27,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-08 08:57:27,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-08 08:57:27,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 36 states have internal predecessors, (37), 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 08:57:27,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2025-02-08 08:57:27,636 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 16 [2025-02-08 08:57:27,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:27,637 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2025-02-08 08:57:27,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-08 08:57:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2025-02-08 08:57:27,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 08:57:27,641 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:27,641 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 6, 1, 1] [2025-02-08 08:57:27,650 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 08:57:27,841 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,841 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:27,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:27,842 INFO L85 PathProgramCache]: Analyzing trace with hash -1775917283, now seen corresponding path program 2 times [2025-02-08 08:57:27,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:27,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930015335] [2025-02-08 08:57:27,842 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:57:27,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:27,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-02-08 08:57:27,857 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 08:57:27,857 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:57:27,857 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,952 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:27,953 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930015335] [2025-02-08 08:57:27,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930015335] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:27,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2110295560] [2025-02-08 08:57:27,953 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-08 08:57:27,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:27,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:27,955 INFO L229 MonitoredProcess]: Starting monitored process 5 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 08:57:27,956 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 08:57:27,973 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-02-08 08:57:27,982 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 08:57:27,982 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-08 08:57:27,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:27,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 08:57:27,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:28,027 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:28,028 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-08 08:57:28,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2110295560] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:28,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:28,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-02-08 08:57:28,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275537634] [2025-02-08 08:57:28,154 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:28,154 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-02-08 08:57:28,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:28,155 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-02-08 08:57:28,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:57:28,155 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand has 16 states, 15 states have (on average 4.8) internal successors, (72), 15 states have internal predecessors, (72), 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 08:57:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:28,220 INFO L93 Difference]: Finished difference Result 78 states and 85 transitions. [2025-02-08 08:57:28,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-02-08 08:57:28,220 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 15 states have internal predecessors, (72), 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 36 [2025-02-08 08:57:28,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:28,221 INFO L225 Difference]: With dead ends: 78 [2025-02-08 08:57:28,221 INFO L226 Difference]: Without dead ends: 77 [2025-02-08 08:57:28,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2025-02-08 08:57:28,222 INFO L435 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:28,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 17 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 08:57:28,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2025-02-08 08:57:28,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2025-02-08 08:57:28,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 76 states have (on average 1.013157894736842) internal successors, (77), 76 states have internal predecessors, (77), 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 08:57:28,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2025-02-08 08:57:28,227 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 36 [2025-02-08 08:57:28,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:28,228 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2025-02-08 08:57:28,228 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 4.8) internal successors, (72), 15 states have internal predecessors, (72), 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 08:57:28,228 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2025-02-08 08:57:28,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2025-02-08 08:57:28,229 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 08:57:28,229 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 14, 1, 1] [2025-02-08 08:57:28,235 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-08 08:57:28,433 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2025-02-08 08:57:28,433 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2025-02-08 08:57:28,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 08:57:28,433 INFO L85 PathProgramCache]: Analyzing trace with hash -945490019, now seen corresponding path program 3 times [2025-02-08 08:57:28,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 08:57:28,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362754495] [2025-02-08 08:57:28,433 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:57:28,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 08:57:28,440 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 15 equivalence classes. [2025-02-08 08:57:28,445 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 26 of 76 statements. [2025-02-08 08:57:28,445 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 08:57:28,445 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:28,554 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 196 proven. 21 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2025-02-08 08:57:28,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 08:57:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362754495] [2025-02-08 08:57:28,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362754495] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 08:57:28,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046602123] [2025-02-08 08:57:28,555 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-08 08:57:28,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:28,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 08:57:28,557 INFO L229 MonitoredProcess]: Starting monitored process 6 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 08:57:28,558 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 08:57:28,577 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 15 equivalence classes. [2025-02-08 08:57:28,584 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 26 of 76 statements. [2025-02-08 08:57:28,584 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-02-08 08:57:28,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 08:57:28,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 08:57:28,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 08:57:28,611 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 196 proven. 21 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2025-02-08 08:57:28,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 08:57:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 196 proven. 21 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2025-02-08 08:57:28,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046602123] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 08:57:28,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 08:57:28,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2025-02-08 08:57:28,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991719952] [2025-02-08 08:57:28,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 08:57:28,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 08:57:28,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 08:57:28,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 08:57:28,702 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2025-02-08 08:57:28,703 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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 08:57:28,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 08:57:28,740 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2025-02-08 08:57:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 08:57:28,740 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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 76 [2025-02-08 08:57:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 08:57:28,741 INFO L225 Difference]: With dead ends: 77 [2025-02-08 08:57:28,741 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 08:57:28,741 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2025-02-08 08:57:28,741 INFO L435 NwaCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 08:57:28,741 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 08:57:28,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 08:57:28,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 08:57:28,742 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 08:57:28,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 08:57:28,742 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2025-02-08 08:57:28,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 08:57:28,742 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 08:57:28,742 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.230769230769231) internal successors, (42), 14 states have internal predecessors, (42), 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 08:57:28,742 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 08:57:28,742 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 08:57:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2025-02-08 08:57:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2025-02-08 08:57:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2025-02-08 08:57:28,744 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2025-02-08 08:57:28,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-08 08:57:28,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 08:57:28,947 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1] [2025-02-08 08:57:28,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 08:57:29,024 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 08:57:29,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 08:57:29 BoogieIcfgContainer [2025-02-08 08:57:29,033 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 08:57:29,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 08:57:29,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 08:57:29,033 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 08:57:29,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 08:57:26" (3/4) ... [2025-02-08 08:57:29,035 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 08:57:29,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 08:57:29,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 08:57:29,040 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-08 08:57:29,096 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 08:57:29,096 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 08:57:29,096 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 08:57:29,097 INFO L158 Benchmark]: Toolchain (without parser) took 3289.96ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 48.6MB in the end (delta: 58.3MB). Peak memory consumption was 55.4MB. Max. memory is 16.1GB. [2025-02-08 08:57:29,098 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:57:29,098 INFO L158 Benchmark]: CACSL2BoogieTranslator took 120.91ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 97.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:57:29,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.09ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 96.2MB in the end (delta: 732.5kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:57:29,099 INFO L158 Benchmark]: Boogie Preprocessor took 14.57ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.5MB in the end (delta: 699.3kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:57:29,099 INFO L158 Benchmark]: IcfgBuilder took 159.52ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 85.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 08:57:29,099 INFO L158 Benchmark]: TraceAbstraction took 2911.15ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 53.6MB in the end (delta: 31.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. [2025-02-08 08:57:29,100 INFO L158 Benchmark]: Witness Printer took 63.44ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 48.6MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 08:57:29,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 201.3MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 120.91ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 97.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 16.09ms. Allocated memory is still 142.6MB. Free memory was 96.9MB in the beginning and 96.2MB in the end (delta: 732.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 14.57ms. Allocated memory is still 142.6MB. Free memory was 96.2MB in the beginning and 95.5MB in the end (delta: 699.3kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 159.52ms. Allocated memory is still 142.6MB. Free memory was 95.5MB in the beginning and 85.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2911.15ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 53.6MB in the end (delta: 31.3MB). Peak memory consumption was 30.3MB. Max. memory is 16.1GB. * Witness Printer took 63.44ms. Allocated memory is still 142.6MB. Free memory was 53.6MB in the beginning and 48.6MB in the end (delta: 5.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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, 12 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 8, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 217 IncrementalHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 25 mSDtfsCounter, 217 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 308 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred in iteration=7, InterpolantAutomatonStates: 54, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 302 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 421 ConstructedInterpolants, 0 QuantifiedInterpolants, 1069 SizeOfPredicates, 3 NumberOfNonLiveVariables, 182 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 17 InterpolantComputations, 4 PerfectInterpolantSequences, 1515/1947 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: 18]: Location Invariant Derived location invariant: (((x <= 2147483647) && (y == 1)) || (((y <= 2147483646) && ((((long) 2 * y) + x) <= 2147483650)) && (2 <= y))) RESULT: Ultimate proved your program to be correct! [2025-02-08 08:57:29,120 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