./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_06_good.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6eb48096b8b4882a404dd23fff47efeef172d5dc415faebb030c23b42df76edd --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 17:45:10,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 17:45:10,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-03-17 17:45:10,328 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 17:45:10,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 17:45:10,344 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 17:45:10,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 17:45:10,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 17:45:10,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 17:45:10,344 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 17:45:10,345 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 17:45:10,345 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 17:45:10,345 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 17:45:10,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 17:45:10,346 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:45:10,346 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 17:45:10,346 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 17:45:10,346 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/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 -> 6eb48096b8b4882a404dd23fff47efeef172d5dc415faebb030c23b42df76edd [2025-03-17 17:45:10,545 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 17:45:10,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 17:45:10,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 17:45:10,562 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 17:45:10,562 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 17:45:10,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_06_good.i [2025-03-17 17:45:11,762 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bec27a3/af49e344486449a7a9a32df2b5604be6/FLAG4cefce83f [2025-03-17 17:45:12,115 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 17:45:12,115 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_preinc_06_good.i [2025-03-17 17:45:12,140 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bec27a3/af49e344486449a7a9a32df2b5604be6/FLAG4cefce83f [2025-03-17 17:45:12,150 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11bec27a3/af49e344486449a7a9a32df2b5604be6 [2025-03-17 17:45:12,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 17:45:12,153 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 17:45:12,154 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 17:45:12,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 17:45:12,157 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 17:45:12,158 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,159 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ac2c380 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12, skipping insertion in model container [2025-03-17 17:45:12,159 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,196 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 17:45:12,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:45:12,739 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 17:45:12,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 17:45:12,890 INFO L204 MainTranslator]: Completed translation [2025-03-17 17:45:12,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12 WrapperNode [2025-03-17 17:45:12,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 17:45:12,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 17:45:12,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 17:45:12,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 17:45:12,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,931 INFO L138 Inliner]: procedures = 501, calls = 38, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 206 [2025-03-17 17:45:12,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 17:45:12,932 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 17:45:12,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 17:45:12,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 17:45:12,938 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,938 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,940 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,952 INFO L175 MemorySlicer]: No memory access in input program. [2025-03-17 17:45:12,952 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,952 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,957 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,958 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,959 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,962 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 17:45:12,962 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 17:45:12,962 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 17:45:12,962 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 17:45:12,963 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (1/1) ... [2025-03-17 17:45:12,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 17:45:12,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 17:45:12,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 17:45:12,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 17:45:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2025-03-17 17:45:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2025-03-17 17:45:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-03-17 17:45:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-03-17 17:45:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 17:45:13,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 17:45:13,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 17:45:13,130 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 17:45:13,133 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 17:45:13,387 INFO L? ?]: Removed 100 outVars from TransFormulas that were not future-live. [2025-03-17 17:45:13,387 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 17:45:13,405 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 17:45:13,405 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 17:45:13,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:45:13 BoogieIcfgContainer [2025-03-17 17:45:13,406 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 17:45:13,407 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 17:45:13,407 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 17:45:13,410 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 17:45:13,410 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 05:45:12" (1/3) ... [2025-03-17 17:45:13,410 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257985b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:45:13, skipping insertion in model container [2025-03-17 17:45:13,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 05:45:12" (2/3) ... [2025-03-17 17:45:13,411 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@257985b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 05:45:13, skipping insertion in model container [2025-03-17 17:45:13,411 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:45:13" (3/3) ... [2025-03-17 17:45:13,411 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_preinc_06_good.i [2025-03-17 17:45:13,421 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 17:45:13,422 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_rand_preinc_06_good.i that has 3 procedures, 100 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-17 17:45:13,455 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 17:45:13,463 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;@2e2d2214, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 17:45:13,463 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-03-17 17:45:13,466 INFO L276 IsEmpty]: Start isEmpty. Operand has 100 states, 79 states have (on average 1.5696202531645569) internal successors, (124), 91 states have internal predecessors, (124), 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) [2025-03-17 17:45:13,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2025-03-17 17:45:13,470 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:13,470 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:45:13,470 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)] === [2025-03-17 17:45:13,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:13,474 INFO L85 PathProgramCache]: Analyzing trace with hash 75123822, now seen corresponding path program 1 times [2025-03-17 17:45:13,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:13,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [551457449] [2025-03-17 17:45:13,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:13,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:13,542 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-03-17 17:45:13,552 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-03-17 17:45:13,552 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:13,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:13,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:45:13,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:13,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [551457449] [2025-03-17 17:45:13,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [551457449] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:13,618 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:13,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 17:45:13,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755184348] [2025-03-17 17:45:13,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:13,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:13,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:13,645 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:13,645 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:13,647 INFO L87 Difference]: Start difference. First operand has 100 states, 79 states have (on average 1.5696202531645569) internal successors, (124), 91 states have internal predecessors, (124), 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 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-03-17 17:45:13,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:13,709 INFO L93 Difference]: Finished difference Result 172 states and 243 transitions. [2025-03-17 17:45:13,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:13,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 11 [2025-03-17 17:45:13,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:13,716 INFO L225 Difference]: With dead ends: 172 [2025-03-17 17:45:13,717 INFO L226 Difference]: Without dead ends: 91 [2025-03-17 17:45:13,720 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:13,724 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 129 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:13,727 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 116 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:13,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2025-03-17 17:45:13,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2025-03-17 17:45:13,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.48) internal successors, (111), 84 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) [2025-03-17 17:45:13,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2025-03-17 17:45:13,765 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 11 [2025-03-17 17:45:13,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:13,767 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2025-03-17 17:45:13,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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) [2025-03-17 17:45:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2025-03-17 17:45:13,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-03-17 17:45:13,769 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:13,769 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:45:13,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 17:45:13,769 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)] === [2025-03-17 17:45:13,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:13,771 INFO L85 PathProgramCache]: Analyzing trace with hash 161850080, now seen corresponding path program 1 times [2025-03-17 17:45:13,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:13,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987127921] [2025-03-17 17:45:13,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:13,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:13,799 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-03-17 17:45:13,834 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-03-17 17:45:13,834 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:13,834 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:45:13,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:13,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987127921] [2025-03-17 17:45:13,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987127921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:13,980 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:13,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:13,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205991779] [2025-03-17 17:45:13,981 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:13,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:13,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:13,983 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:13,983 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:13,983 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:45:14,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,020 INFO L93 Difference]: Finished difference Result 91 states and 123 transitions. [2025-03-17 17:45:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2025-03-17 17:45:14,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,022 INFO L225 Difference]: With dead ends: 91 [2025-03-17 17:45:14,023 INFO L226 Difference]: Without dead ends: 90 [2025-03-17 17:45:14,023 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 [2025-03-17 17:45:14,024 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 36 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 183 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2025-03-17 17:45:14,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2025-03-17 17:45:14,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 75 states have (on average 1.4666666666666666) internal successors, (110), 83 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) [2025-03-17 17:45:14,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 122 transitions. [2025-03-17 17:45:14,033 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 122 transitions. Word has length 17 [2025-03-17 17:45:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,033 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 122 transitions. [2025-03-17 17:45:14,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 17:45:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 122 transitions. [2025-03-17 17:45:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-03-17 17:45:14,034 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:14,034 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:45:14,034 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 17:45:14,034 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)] === [2025-03-17 17:45:14,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:14,036 INFO L85 PathProgramCache]: Analyzing trace with hash 722385242, now seen corresponding path program 1 times [2025-03-17 17:45:14,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:14,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305642056] [2025-03-17 17:45:14,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:14,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:14,044 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-03-17 17:45:14,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-03-17 17:45:14,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:14,047 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 17:45:14,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:14,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1305642056] [2025-03-17 17:45:14,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1305642056] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:14,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:14,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:14,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986614873] [2025-03-17 17:45:14,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:14,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:14,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:14,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:14,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:14,096 INFO L87 Difference]: Start difference. First operand 90 states and 122 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) [2025-03-17 17:45:14,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,126 INFO L93 Difference]: Finished difference Result 90 states and 122 transitions. [2025-03-17 17:45:14,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,127 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 [2025-03-17 17:45:14,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,127 INFO L225 Difference]: With dead ends: 90 [2025-03-17 17:45:14,127 INFO L226 Difference]: Without dead ends: 89 [2025-03-17 17:45:14,128 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 [2025-03-17 17:45:14,128 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 35 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,128 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 186 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2025-03-17 17:45:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2025-03-17 17:45:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 75 states have (on average 1.4533333333333334) internal successors, (109), 82 states have internal predecessors, (109), 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) [2025-03-17 17:45:14,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 121 transitions. [2025-03-17 17:45:14,135 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 121 transitions. Word has length 18 [2025-03-17 17:45:14,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,135 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 121 transitions. [2025-03-17 17:45:14,135 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) [2025-03-17 17:45:14,136 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 121 transitions. [2025-03-17 17:45:14,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2025-03-17 17:45:14,136 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:14,136 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2025-03-17 17:45:14,136 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 17:45:14,137 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)] === [2025-03-17 17:45:14,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:14,137 INFO L85 PathProgramCache]: Analyzing trace with hash 455172657, now seen corresponding path program 1 times [2025-03-17 17:45:14,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:14,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988397797] [2025-03-17 17:45:14,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:14,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:14,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 32 statements into 1 equivalence classes. [2025-03-17 17:45:14,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 32 of 32 statements. [2025-03-17 17:45:14,162 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:14,162 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:14,239 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 17:45:14,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:14,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988397797] [2025-03-17 17:45:14,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988397797] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:14,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:14,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:14,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352537043] [2025-03-17 17:45:14,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:14,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:14,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:14,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:14,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:14,241 INFO L87 Difference]: Start difference. First operand 89 states and 121 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-17 17:45:14,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,268 INFO L93 Difference]: Finished difference Result 89 states and 121 transitions. [2025-03-17 17:45:14,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 32 [2025-03-17 17:45:14,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,270 INFO L225 Difference]: With dead ends: 89 [2025-03-17 17:45:14,271 INFO L226 Difference]: Without dead ends: 88 [2025-03-17 17:45:14,272 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 [2025-03-17 17:45:14,272 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 36 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 179 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2025-03-17 17:45:14,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2025-03-17 17:45:14,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 75 states have (on average 1.44) internal successors, (108), 81 states have internal predecessors, (108), 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) [2025-03-17 17:45:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 120 transitions. [2025-03-17 17:45:14,276 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 120 transitions. Word has length 32 [2025-03-17 17:45:14,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,277 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 120 transitions. [2025-03-17 17:45:14,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2025-03-17 17:45:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 120 transitions. [2025-03-17 17:45:14,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 17:45:14,278 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:14,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 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] [2025-03-17 17:45:14,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 17:45:14,278 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)] === [2025-03-17 17:45:14,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:14,279 INFO L85 PathProgramCache]: Analyzing trace with hash 1225450483, now seen corresponding path program 1 times [2025-03-17 17:45:14,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:14,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262533413] [2025-03-17 17:45:14,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:14,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:14,288 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 17:45:14,298 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 17:45:14,299 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:14,299 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:14,325 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 17:45:14,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:14,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262533413] [2025-03-17 17:45:14,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262533413] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:14,326 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:14,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:14,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908861476] [2025-03-17 17:45:14,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:14,326 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:14,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:14,327 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:14,327 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:14,327 INFO L87 Difference]: Start difference. First operand 88 states and 120 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, (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) [2025-03-17 17:45:14,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,351 INFO L93 Difference]: Finished difference Result 88 states and 120 transitions. [2025-03-17 17:45:14,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,351 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, (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 33 [2025-03-17 17:45:14,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,352 INFO L225 Difference]: With dead ends: 88 [2025-03-17 17:45:14,352 INFO L226 Difference]: Without dead ends: 87 [2025-03-17 17:45:14,352 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 [2025-03-17 17:45:14,353 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 35 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 182 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,353 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 182 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-03-17 17:45:14,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2025-03-17 17:45:14,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 80 states have internal predecessors, (107), 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) [2025-03-17 17:45:14,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2025-03-17 17:45:14,363 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 33 [2025-03-17 17:45:14,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,363 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2025-03-17 17:45:14,363 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, (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) [2025-03-17 17:45:14,363 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2025-03-17 17:45:14,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-03-17 17:45:14,364 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:14,364 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-03-17 17:45:14,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 17:45:14,364 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)] === [2025-03-17 17:45:14,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:14,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1780180756, now seen corresponding path program 1 times [2025-03-17 17:45:14,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:14,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045265153] [2025-03-17 17:45:14,364 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:14,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:14,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-03-17 17:45:14,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-03-17 17:45:14,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:14,384 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:14,421 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 17:45:14,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:14,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045265153] [2025-03-17 17:45:14,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045265153] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:14,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:14,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:14,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393169450] [2025-03-17 17:45:14,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:14,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:14,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:14,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:14,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:14,426 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:45:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,449 INFO L93 Difference]: Finished difference Result 87 states and 119 transitions. [2025-03-17 17:45:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 40 [2025-03-17 17:45:14,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,450 INFO L225 Difference]: With dead ends: 87 [2025-03-17 17:45:14,450 INFO L226 Difference]: Without dead ends: 85 [2025-03-17 17:45:14,451 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 [2025-03-17 17:45:14,451 INFO L435 NwaCegarLoop]: 107 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,451 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 210 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2025-03-17 17:45:14,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2025-03-17 17:45:14,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 75 states have (on average 1.4) internal successors, (105), 78 states have internal predecessors, (105), 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) [2025-03-17 17:45:14,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 117 transitions. [2025-03-17 17:45:14,459 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 117 transitions. Word has length 40 [2025-03-17 17:45:14,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,460 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 117 transitions. [2025-03-17 17:45:14,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 17:45:14,460 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 117 transitions. [2025-03-17 17:45:14,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 17:45:14,462 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 17:45:14,462 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2025-03-17 17:45:14,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 17:45:14,463 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2025-03-17 17:45:14,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 17:45:14,463 INFO L85 PathProgramCache]: Analyzing trace with hash 110488686, now seen corresponding path program 1 times [2025-03-17 17:45:14,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 17:45:14,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285687627] [2025-03-17 17:45:14,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 17:45:14,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 17:45:14,476 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 17:45:14,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 17:45:14,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 17:45:14,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 17:45:14,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 17:45:14,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 17:45:14,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285687627] [2025-03-17 17:45:14,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285687627] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 17:45:14,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 17:45:14,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 17:45:14,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294563775] [2025-03-17 17:45:14,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 17:45:14,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 17:45:14,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 17:45:14,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 17:45:14,531 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 17:45:14,531 INFO L87 Difference]: Start difference. First operand 85 states and 117 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 17:45:14,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 17:45:14,552 INFO L93 Difference]: Finished difference Result 85 states and 117 transitions. [2025-03-17 17:45:14,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 17:45:14,552 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2025-03-17 17:45:14,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 17:45:14,553 INFO L225 Difference]: With dead ends: 85 [2025-03-17 17:45:14,553 INFO L226 Difference]: Without dead ends: 0 [2025-03-17 17:45:14,553 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 [2025-03-17 17:45:14,553 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 17:45:14,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 209 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 17:45:14,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-03-17 17:45:14,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-03-17 17:45:14,554 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) [2025-03-17 17:45:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-03-17 17:45:14,554 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 50 [2025-03-17 17:45:14,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 17:45:14,554 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-03-17 17:45:14,554 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-03-17 17:45:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-03-17 17:45:14,555 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-03-17 17:45:14,558 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2025-03-17 17:45:14,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2025-03-17 17:45:14,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2025-03-17 17:45:14,559 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2025-03-17 17:45:14,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2025-03-17 17:45:14,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2025-03-17 17:45:14,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2025-03-17 17:45:14,560 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2025-03-17 17:45:14,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 17:45:14,563 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2025-03-17 17:45:14,565 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2025-03-17 17:45:14,596 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-03-17 17:45:14,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.03 05:45:14 BoogieIcfgContainer [2025-03-17 17:45:14,603 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-17 17:45:14,604 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-03-17 17:45:14,604 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-03-17 17:45:14,604 INFO L274 PluginConnector]: Witness Printer initialized [2025-03-17 17:45:14,605 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 05:45:13" (3/4) ... [2025-03-17 17:45:14,606 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-03-17 17:45:14,610 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printLine [2025-03-17 17:45:14,611 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure printIntLine [2025-03-17 17:45:14,616 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2025-03-17 17:45:14,617 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-03-17 17:45:14,617 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-03-17 17:45:14,618 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-03-17 17:45:14,686 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-03-17 17:45:14,686 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2025-03-17 17:45:14,687 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-03-17 17:45:14,690 INFO L158 Benchmark]: Toolchain (without parser) took 2534.07ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 89.6MB in the end (delta: 21.6MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2025-03-17 17:45:14,690 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:45:14,691 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.16ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 50.6MB in the end (delta: 60.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-03-17 17:45:14,691 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.32ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 17:45:14,691 INFO L158 Benchmark]: Boogie Preprocessor took 29.77ms. Allocated memory is still 142.6MB. Free memory was 47.5MB in the beginning and 45.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:45:14,691 INFO L158 Benchmark]: IcfgBuilder took 443.67ms. Allocated memory is still 142.6MB. Free memory was 45.3MB in the beginning and 89.6MB in the end (delta: -44.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2025-03-17 17:45:14,692 INFO L158 Benchmark]: TraceAbstraction took 1196.34ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 96.8MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-03-17 17:45:14,692 INFO L158 Benchmark]: Witness Printer took 82.65ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 89.6MB in the end (delta: 7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-03-17 17:45:14,693 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 123.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.16ms. Allocated memory is still 142.6MB. Free memory was 111.2MB in the beginning and 50.6MB in the end (delta: 60.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.32ms. Allocated memory is still 142.6MB. Free memory was 50.6MB in the beginning and 47.5MB in the end (delta: 3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.77ms. Allocated memory is still 142.6MB. Free memory was 47.5MB in the beginning and 45.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 443.67ms. Allocated memory is still 142.6MB. Free memory was 45.3MB in the beginning and 89.6MB in the end (delta: -44.4MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1196.34ms. Allocated memory is still 142.6MB. Free memory was 88.8MB in the beginning and 96.8MB in the end (delta: -8.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 82.65ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 89.6MB in the end (delta: 7.2MB). 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: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: 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, 100 locations, 154 edges, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 273 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 273 mSDsluCounter, 1265 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 500 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 765 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=0, InterpolantAutomatonStates: 21, 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, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 194 ConstructedInterpolants, 0 QuantifiedInterpolants, 240 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 32/32 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! [2025-03-17 17:45:14,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE