./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 77769dba35bdbea7738dff8a9029e922d560bdc740cd2291a5a5783b316858d6 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 13:21:26,184 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 13:21:26,239 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-08 13:21:26,244 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 13:21:26,245 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 13:21:26,267 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 13:21:26,268 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 13:21:26,268 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 13:21:26,268 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 13:21:26,268 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 13:21:26,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 13:21:26,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 13:21:26,269 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 13:21:26,269 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 13:21:26,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 13:21:26,270 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 13:21:26,270 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:21:26,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 13:21:26,271 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 13:21:26,271 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 -> 77769dba35bdbea7738dff8a9029e922d560bdc740cd2291a5a5783b316858d6 [2025-02-08 13:21:26,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 13:21:26,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 13:21:26,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 13:21:26,507 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 13:21:26,507 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 13:21:26,509 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i [2025-02-08 13:21:27,721 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72a08869e/601910fc2c3144f1bbc23dce264330ed/FLAGa75dc6f78 [2025-02-08 13:21:28,110 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 13:21:28,111 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_03_good.i [2025-02-08 13:21:28,135 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72a08869e/601910fc2c3144f1bbc23dce264330ed/FLAGa75dc6f78 [2025-02-08 13:21:28,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/72a08869e/601910fc2c3144f1bbc23dce264330ed [2025-02-08 13:21:28,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 13:21:28,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 13:21:28,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 13:21:28,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 13:21:28,158 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 13:21:28,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c13caa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28, skipping insertion in model container [2025-02-08 13:21:28,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 13:21:28,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:21:28,768 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 13:21:28,853 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 13:21:28,933 INFO L204 MainTranslator]: Completed translation [2025-02-08 13:21:28,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28 WrapperNode [2025-02-08 13:21:28,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 13:21:28,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 13:21:28,935 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 13:21:28,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 13:21:28,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,981 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 197 [2025-02-08 13:21:28,981 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 13:21:28,982 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 13:21:28,982 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 13:21:28,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 13:21:28,992 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,993 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:28,996 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,004 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-08 13:21:29,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,011 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 13:21:29,021 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 13:21:29,021 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 13:21:29,021 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 13:21:29,022 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (1/1) ... [2025-02-08 13:21:29,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 13:21:29,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 13:21:29,080 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 13:21:29,090 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 13:21:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-02-08 13:21:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-02-08 13:21:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-08 13:21:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-08 13:21:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 13:21:29,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 13:21:29,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 13:21:29,278 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 13:21:29,279 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 13:21:29,519 INFO L? ?]: Removed 104 outVars from TransFormulas that were not future-live. [2025-02-08 13:21:29,519 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 13:21:29,543 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 13:21:29,543 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 13:21:29,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:21:29 BoogieIcfgContainer [2025-02-08 13:21:29,544 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 13:21:29,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 13:21:29,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 13:21:29,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 13:21:29,548 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 01:21:28" (1/3) ... [2025-02-08 13:21:29,548 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8c62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:21:29, skipping insertion in model container [2025-02-08 13:21:29,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 01:21:28" (2/3) ... [2025-02-08 13:21:29,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47e8c62b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 01:21:29, skipping insertion in model container [2025-02-08 13:21:29,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:21:29" (3/3) ... [2025-02-08 13:21:29,549 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_03_good.i [2025-02-08 13:21:29,559 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 13:21:29,560 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_03_good.i that has 3 procedures, 104 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-02-08 13:21:29,590 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 13:21:29,597 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;@255d761a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 13:21:29,597 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-08 13:21:29,599 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 83 states have (on average 1.5903614457831325) internal successors, (132), 95 states have internal predecessors, (132), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-08 13:21:29,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-08 13:21:29,603 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:29,603 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:29,604 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:29,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:29,607 INFO L85 PathProgramCache]: Analyzing trace with hash 617553843, now seen corresponding path program 1 times [2025-02-08 13:21:29,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:29,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992867469] [2025-02-08 13:21:29,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:29,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:29,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-08 13:21:29,722 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-08 13:21:29,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:29,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:29,788 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 13:21:29,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992867469] [2025-02-08 13:21:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992867469] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:29,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:29,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:29,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415853605] [2025-02-08 13:21:29,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:29,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 13:21:29,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:29,812 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 13:21:29,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:21:29,815 INFO L87 Difference]: Start difference. First operand has 104 states, 83 states have (on average 1.5903614457831325) internal successors, (132), 95 states have internal predecessors, (132), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:29,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:29,864 INFO L93 Difference]: Finished difference Result 180 states and 259 transitions. [2025-02-08 13:21:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 13:21:29,867 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2025-02-08 13:21:29,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:29,873 INFO L225 Difference]: With dead ends: 180 [2025-02-08 13:21:29,874 INFO L226 Difference]: Without dead ends: 95 [2025-02-08 13:21:29,878 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 13:21:29,882 INFO L435 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:29,883 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2025-02-08 13:21:29,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2025-02-08 13:21:29,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 79 states have (on average 1.4936708860759493) internal successors, (118), 88 states have internal predecessors, (118), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:29,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 130 transitions. [2025-02-08 13:21:29,933 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 130 transitions. Word has length 12 [2025-02-08 13:21:29,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:29,936 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 130 transitions. [2025-02-08 13:21:29,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:29,936 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2025-02-08 13:21:29,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 13:21:29,937 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:29,937 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:29,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-08 13:21:29,937 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:29,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:29,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1719481473, now seen corresponding path program 1 times [2025-02-08 13:21:29,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:29,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900402057] [2025-02-08 13:21:29,938 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:29,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:29,964 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 13:21:29,999 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 13:21:30,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,081 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 13:21:30,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900402057] [2025-02-08 13:21:30,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900402057] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423181198] [2025-02-08 13:21:30,082 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,083 INFO L87 Difference]: Start difference. First operand 95 states and 130 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,118 INFO L93 Difference]: Finished difference Result 95 states and 130 transitions. [2025-02-08 13:21:30,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2025-02-08 13:21:30,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,119 INFO L225 Difference]: With dead ends: 95 [2025-02-08 13:21:30,120 INFO L226 Difference]: Without dead ends: 94 [2025-02-08 13:21:30,120 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,120 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 36 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 198 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,121 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 198 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2025-02-08 13:21:30,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2025-02-08 13:21:30,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 79 states have (on average 1.481012658227848) internal successors, (117), 87 states have internal predecessors, (117), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 129 transitions. [2025-02-08 13:21:30,132 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 129 transitions. Word has length 18 [2025-02-08 13:21:30,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,133 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 129 transitions. [2025-02-08 13:21:30,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 129 transitions. [2025-02-08 13:21:30,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-08 13:21:30,133 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,133 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 13:21:30,133 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1764318175, now seen corresponding path program 1 times [2025-02-08 13:21:30,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137979761] [2025-02-08 13:21:30,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,151 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-08 13:21:30,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-08 13:21:30,164 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,197 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 13:21:30,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137979761] [2025-02-08 13:21:30,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137979761] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,197 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253909401] [2025-02-08 13:21:30,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,198 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,198 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,198 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,198 INFO L87 Difference]: Start difference. First operand 94 states and 129 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,222 INFO L93 Difference]: Finished difference Result 94 states and 129 transitions. [2025-02-08 13:21:30,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2025-02-08 13:21:30,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,223 INFO L225 Difference]: With dead ends: 94 [2025-02-08 13:21:30,223 INFO L226 Difference]: Without dead ends: 93 [2025-02-08 13:21:30,224 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,224 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,224 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 227 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2025-02-08 13:21:30,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2025-02-08 13:21:30,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 79 states have (on average 1.4683544303797469) internal successors, (116), 86 states have internal predecessors, (116), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 128 transitions. [2025-02-08 13:21:30,232 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 128 transitions. Word has length 19 [2025-02-08 13:21:30,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,232 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 128 transitions. [2025-02-08 13:21:30,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,233 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 128 transitions. [2025-02-08 13:21:30,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-08 13:21:30,233 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,233 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,233 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 13:21:30,233 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1922153235, now seen corresponding path program 1 times [2025-02-08 13:21:30,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818845493] [2025-02-08 13:21:30,234 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,292 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-08 13:21:30,301 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-08 13:21:30,301 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,301 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,368 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 13:21:30,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818845493] [2025-02-08 13:21:30,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818845493] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112116379] [2025-02-08 13:21:30,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,374 INFO L87 Difference]: Start difference. First operand 93 states and 128 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,414 INFO L93 Difference]: Finished difference Result 93 states and 128 transitions. [2025-02-08 13:21:30,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-02-08 13:21:30,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,416 INFO L225 Difference]: With dead ends: 93 [2025-02-08 13:21:30,416 INFO L226 Difference]: Without dead ends: 92 [2025-02-08 13:21:30,417 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,417 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 36 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,418 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 194 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2025-02-08 13:21:30,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2025-02-08 13:21:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 79 states have (on average 1.4556962025316456) internal successors, (115), 85 states have internal predecessors, (115), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 127 transitions. [2025-02-08 13:21:30,425 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 127 transitions. Word has length 28 [2025-02-08 13:21:30,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,425 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 127 transitions. [2025-02-08 13:21:30,425 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,425 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 127 transitions. [2025-02-08 13:21:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-08 13:21:30,426 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,426 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-02-08 13:21:30,427 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,427 INFO L85 PathProgramCache]: Analyzing trace with hash 542791867, now seen corresponding path program 1 times [2025-02-08 13:21:30,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490845589] [2025-02-08 13:21:30,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-08 13:21:30,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-08 13:21:30,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,495 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 13:21:30,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490845589] [2025-02-08 13:21:30,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490845589] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693069245] [2025-02-08 13:21:30,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,496 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,497 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,497 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,497 INFO L87 Difference]: Start difference. First operand 92 states and 127 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,535 INFO L93 Difference]: Finished difference Result 92 states and 127 transitions. [2025-02-08 13:21:30,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,536 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2025-02-08 13:21:30,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,537 INFO L225 Difference]: With dead ends: 92 [2025-02-08 13:21:30,537 INFO L226 Difference]: Without dead ends: 91 [2025-02-08 13:21:30,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,538 INFO L435 NwaCegarLoop]: 114 mSDtfsCounter, 0 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 223 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 223 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-02-08 13:21:30,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-02-08 13:21:30,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 79 states have (on average 1.4430379746835442) internal successors, (114), 84 states have internal predecessors, (114), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 126 transitions. [2025-02-08 13:21:30,545 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 126 transitions. Word has length 29 [2025-02-08 13:21:30,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,546 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 126 transitions. [2025-02-08 13:21:30,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,546 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 126 transitions. [2025-02-08 13:21:30,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-08 13:21:30,547 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,547 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-08 13:21:30,548 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,548 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1952966063, now seen corresponding path program 1 times [2025-02-08 13:21:30,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526379940] [2025-02-08 13:21:30,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-08 13:21:30,566 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-08 13:21:30,567 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,567 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,610 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 13:21:30,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526379940] [2025-02-08 13:21:30,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526379940] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,611 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109219084] [2025-02-08 13:21:30,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,613 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,613 INFO L87 Difference]: Start difference. First operand 91 states and 126 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,646 INFO L93 Difference]: Finished difference Result 91 states and 126 transitions. [2025-02-08 13:21:30,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2025-02-08 13:21:30,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,648 INFO L225 Difference]: With dead ends: 91 [2025-02-08 13:21:30,648 INFO L226 Difference]: Without dead ends: 90 [2025-02-08 13:21:30,648 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,649 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 1 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,649 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 220 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-02-08 13:21:30,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2025-02-08 13:21:30,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 79 states have (on average 1.4303797468354431) internal successors, (113), 83 states have internal predecessors, (113), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 125 transitions. [2025-02-08 13:21:30,658 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 125 transitions. Word has length 31 [2025-02-08 13:21:30,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,658 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 125 transitions. [2025-02-08 13:21:30,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,658 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 125 transitions. [2025-02-08 13:21:30,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-02-08 13:21:30,659 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,659 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,659 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-08 13:21:30,659 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,660 INFO L85 PathProgramCache]: Analyzing trace with hash 412405803, now seen corresponding path program 1 times [2025-02-08 13:21:30,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393640604] [2025-02-08 13:21:30,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-02-08 13:21:30,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-02-08 13:21:30,678 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,725 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 13:21:30,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393640604] [2025-02-08 13:21:30,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393640604] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,726 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839952532] [2025-02-08 13:21:30,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,726 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,727 INFO L87 Difference]: Start difference. First operand 90 states and 125 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,753 INFO L93 Difference]: Finished difference Result 98 states and 132 transitions. [2025-02-08 13:21:30,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,754 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 32 [2025-02-08 13:21:30,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,755 INFO L225 Difference]: With dead ends: 98 [2025-02-08 13:21:30,755 INFO L226 Difference]: Without dead ends: 89 [2025-02-08 13:21:30,756 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,757 INFO L435 NwaCegarLoop]: 112 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,757 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-02-08 13:21:30,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-02-08 13:21:30,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 82 states have internal predecessors, (111), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 123 transitions. [2025-02-08 13:21:30,766 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 123 transitions. Word has length 32 [2025-02-08 13:21:30,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,766 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 123 transitions. [2025-02-08 13:21:30,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-02-08 13:21:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 123 transitions. [2025-02-08 13:21:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-02-08 13:21:30,769 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,769 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 13:21:30,770 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash 689773830, now seen corresponding path program 1 times [2025-02-08 13:21:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060592843] [2025-02-08 13:21:30,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-02-08 13:21:30,786 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-02-08 13:21:30,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,815 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 13:21:30,816 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,816 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060592843] [2025-02-08 13:21:30,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060592843] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844780285] [2025-02-08 13:21:30,816 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,816 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,817 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,817 INFO L87 Difference]: Start difference. First operand 89 states and 123 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:21:30,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,838 INFO L93 Difference]: Finished difference Result 89 states and 123 transitions. [2025-02-08 13:21:30,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 42 [2025-02-08 13:21:30,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,839 INFO L225 Difference]: With dead ends: 89 [2025-02-08 13:21:30,839 INFO L226 Difference]: Without dead ends: 88 [2025-02-08 13:21:30,839 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,841 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 1 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,841 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 219 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-02-08 13:21:30,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-02-08 13:21:30,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 79 states have (on average 1.3924050632911393) internal successors, (110), 81 states have internal predecessors, (110), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 13:21:30,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 122 transitions. [2025-02-08 13:21:30,848 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 122 transitions. Word has length 42 [2025-02-08 13:21:30,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,848 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 122 transitions. [2025-02-08 13:21:30,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:21:30,848 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 122 transitions. [2025-02-08 13:21:30,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 13:21:30,849 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 13:21:30,849 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,849 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 13:21:30,849 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-02-08 13:21:30,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 13:21:30,849 INFO L85 PathProgramCache]: Analyzing trace with hash -91847769, now seen corresponding path program 1 times [2025-02-08 13:21:30,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 13:21:30,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290586988] [2025-02-08 13:21:30,849 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 13:21:30,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 13:21:30,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 13:21:30,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 13:21:30,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 13:21:30,866 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 13:21:30,914 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 13:21:30,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 13:21:30,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290586988] [2025-02-08 13:21:30,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290586988] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 13:21:30,915 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 13:21:30,915 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 13:21:30,915 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304763294] [2025-02-08 13:21:30,915 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 13:21:30,915 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 13:21:30,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 13:21:30,916 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 13:21:30,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,916 INFO L87 Difference]: Start difference. First operand 88 states and 122 transitions. Second operand has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:21:30,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 13:21:30,935 INFO L93 Difference]: Finished difference Result 88 states and 122 transitions. [2025-02-08 13:21:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 13:21:30,935 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 43 [2025-02-08 13:21:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 13:21:30,936 INFO L225 Difference]: With dead ends: 88 [2025-02-08 13:21:30,936 INFO L226 Difference]: Without dead ends: 0 [2025-02-08 13:21:30,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 13:21:30,937 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 13:21:30,937 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 219 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 13:21:30,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-02-08 13:21:30,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-02-08 13:21:30,938 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 13:21:30,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-02-08 13:21:30,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2025-02-08 13:21:30,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 13:21:30,938 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-02-08 13:21:30,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.5) internal successors, (39), 3 states have internal predecessors, (39), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 13:21:30,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-02-08 13:21:30,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 13:21:30,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-02-08 13:21:30,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-02-08 13:21:30,940 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-02-08 13:21:30,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-02-08 13:21:30,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-02-08 13:21:30,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-02-08 13:21:30,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-02-08 13:21:30,941 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-02-08 13:21:30,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-02-08 13:21:30,943 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 13:21:30,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-02-08 13:21:30,962 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 13:21:30,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 01:21:30 BoogieIcfgContainer [2025-02-08 13:21:30,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 13:21:30,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 13:21:30,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 13:21:30,969 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 13:21:30,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 01:21:29" (3/4) ... [2025-02-08 13:21:30,971 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 13:21:30,974 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-02-08 13:21:30,975 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-02-08 13:21:30,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-02-08 13:21:30,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-08 13:21:30,980 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-08 13:21:30,981 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 13:21:31,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 13:21:31,046 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 13:21:31,046 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 13:21:31,047 INFO L158 Benchmark]: Toolchain (without parser) took 2894.03ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 90.2MB in the end (delta: 14.4MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2025-02-08 13:21:31,047 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:21:31,047 INFO L158 Benchmark]: CACSL2BoogieTranslator took 780.08ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 43.3MB in the end (delta: 61.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-08 13:21:31,048 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.47ms. Allocated memory is still 142.6MB. Free memory was 43.3MB in the beginning and 41.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:21:31,048 INFO L158 Benchmark]: Boogie Preprocessor took 39.04ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:21:31,048 INFO L158 Benchmark]: IcfgBuilder took 522.58ms. Allocated memory is still 142.6MB. Free memory was 38.7MB in the beginning and 84.8MB in the end (delta: -46.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2025-02-08 13:21:31,048 INFO L158 Benchmark]: TraceAbstraction took 1423.75ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 97.4MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 13:21:31,048 INFO L158 Benchmark]: Witness Printer took 77.02ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 90.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 13:21:31,050 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 226.5MB. Free memory is still 148.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 780.08ms. Allocated memory is still 142.6MB. Free memory was 104.6MB in the beginning and 43.3MB in the end (delta: 61.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.47ms. Allocated memory is still 142.6MB. Free memory was 43.3MB in the beginning and 41.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.04ms. Allocated memory is still 142.6MB. Free memory was 41.0MB in the beginning and 38.7MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 522.58ms. Allocated memory is still 142.6MB. Free memory was 38.7MB in the beginning and 84.8MB in the end (delta: -46.1MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1423.75ms. Allocated memory is still 142.6MB. Free memory was 84.1MB in the beginning and 97.4MB in the end (delta: -13.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 77.02ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 90.2MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1616]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: 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 3 procedures, 104 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 74 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 74 mSDsluCounter, 1852 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 810 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 1042 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=0, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 333 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 13:21:31,066 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