./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc 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_16_bad.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 dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 17:54:56,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 17:54:56,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2025-02-06 17:54:56,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 17:54:56,892 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 17:54:56,908 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 17:54:56,909 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 17:54:56,909 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 17:54:56,909 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 17:54:56,909 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 17:54:56,909 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 17:54:56,910 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 17:54:56,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 17:54:56,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 17:54:56,911 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 17:54:56,911 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 17:54:56,911 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 17:54:56,912 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 17:54:56,912 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 17:54:56,912 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 17:54:56,912 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 17:54:56,912 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 17:54:56,912 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 -> dfa76c4424367ace8e0176609f5d9288e8afd6894711b39fd044730a361a1a9e [2025-02-06 17:54:57,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 17:54:57,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 17:54:57,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 17:54:57,143 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 17:54:57,143 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 17:54:57,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2025-02-06 17:54:58,346 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/193f410df/f312e76b93c94e65ae00248c3efba0e0/FLAGda3df36be [2025-02-06 17:54:58,719 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 17:54:58,719 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2025-02-06 17:54:58,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/193f410df/f312e76b93c94e65ae00248c3efba0e0/FLAGda3df36be [2025-02-06 17:54:58,917 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/193f410df/f312e76b93c94e65ae00248c3efba0e0 [2025-02-06 17:54:58,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 17:54:58,922 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 17:54:58,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 17:54:58,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 17:54:58,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 17:54:58,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:54:58" (1/1) ... [2025-02-06 17:54:58,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c0ee3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:58, skipping insertion in model container [2025-02-06 17:54:58,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 05:54:58" (1/1) ... [2025-02-06 17:54:58,966 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 17:54:59,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 17:54:59,423 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 17:54:59,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 17:54:59,566 INFO L204 MainTranslator]: Completed translation [2025-02-06 17:54:59,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59 WrapperNode [2025-02-06 17:54:59,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 17:54:59,567 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 17:54:59,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 17:54:59,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 17:54:59,574 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,595 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,614 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2025-02-06 17:54:59,615 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 17:54:59,615 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 17:54:59,615 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 17:54:59,615 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 17:54:59,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,630 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,638 INFO L175 MemorySlicer]: No memory access in input program. [2025-02-06 17:54:59,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,641 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,650 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 17:54:59,651 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 17:54:59,652 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 17:54:59,652 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 17:54:59,653 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (1/1) ... [2025-02-06 17:54:59,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 17:54:59,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 17:54:59,675 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) [2025-02-06 17:54:59,677 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 [2025-02-06 17:54:59,694 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2025-02-06 17:54:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2025-02-06 17:54:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 17:54:59,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 17:54:59,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 17:54:59,799 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 17:54:59,801 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 17:54:59,971 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-02-06 17:54:59,971 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 17:54:59,995 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 17:54:59,996 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 17:54:59,996 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:54:59 BoogieIcfgContainer [2025-02-06 17:54:59,996 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 17:54:59,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 17:54:59,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 17:55:00,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 17:55:00,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 05:54:58" (1/3) ... [2025-02-06 17:55:00,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc260ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:55:00, skipping insertion in model container [2025-02-06 17:55:00,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 05:54:59" (2/3) ... [2025-02-06 17:55:00,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fc260ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 05:55:00, skipping insertion in model container [2025-02-06 17:55:00,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:54:59" (3/3) ... [2025-02-06 17:55:00,004 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_multiply_16_bad.i [2025-02-06 17:55:00,016 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 17:55:00,017 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE191_Integer_Underflow__int_rand_multiply_16_bad.i that has 2 procedures, 44 locations, 1 initial locations, 2 loop locations, and 2 error locations. [2025-02-06 17:55:00,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 17:55:00,071 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;@442a6d9b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 17:55:00,072 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-06 17:55:00,074 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 38 states have (on average 1.5) internal successors, (57), 40 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-06 17:55:00,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-02-06 17:55:00,078 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:55:00,079 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:55:00,079 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 17:55:00,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:55:00,082 INFO L85 PathProgramCache]: Analyzing trace with hash 2111905008, now seen corresponding path program 1 times [2025-02-06 17:55:00,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:55:00,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586015883] [2025-02-06 17:55:00,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:55:00,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:55:00,149 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-02-06 17:55:00,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-02-06 17:55:00,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:55:00,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:55:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 17:55:00,225 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:55:00,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586015883] [2025-02-06 17:55:00,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586015883] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:55:00,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:55:00,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 17:55:00,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434227033] [2025-02-06 17:55:00,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:55:00,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 17:55:00,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:55:00,246 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 17:55:00,246 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 17:55:00,248 INFO L87 Difference]: Start difference. First operand has 44 states, 38 states have (on average 1.5) internal successors, (57), 40 states have internal predecessors, (57), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 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) [2025-02-06 17:55:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:55:00,271 INFO L93 Difference]: Finished difference Result 61 states and 80 transitions. [2025-02-06 17:55:00,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 17:55:00,274 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 [2025-02-06 17:55:00,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:55:00,278 INFO L225 Difference]: With dead ends: 61 [2025-02-06 17:55:00,278 INFO L226 Difference]: Without dead ends: 37 [2025-02-06 17:55:00,280 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 [2025-02-06 17:55:00,283 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 17:55:00,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 17:55:00,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-06 17:55:00,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-06 17:55:00,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 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) [2025-02-06 17:55:00,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2025-02-06 17:55:00,312 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 12 [2025-02-06 17:55:00,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:55:00,312 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2025-02-06 17:55:00,312 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) [2025-02-06 17:55:00,312 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2025-02-06 17:55:00,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 17:55:00,313 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:55:00,313 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:55:00,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 17:55:00,313 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 17:55:00,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:55:00,314 INFO L85 PathProgramCache]: Analyzing trace with hash 531334210, now seen corresponding path program 1 times [2025-02-06 17:55:00,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:55:00,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122582450] [2025-02-06 17:55:00,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:55:00,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:55:00,324 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 17:55:00,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 17:55:00,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:55:00,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 17:55:00,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 17:55:00,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 17:55:00,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122582450] [2025-02-06 17:55:00,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122582450] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 17:55:00,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 17:55:00,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 17:55:00,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210410243] [2025-02-06 17:55:00,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 17:55:00,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 17:55:00,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 17:55:00,534 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 17:55:00,534 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2025-02-06 17:55:00,534 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2025-02-06 17:55:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 17:55:00,608 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2025-02-06 17:55:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 17:55:00,608 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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 [2025-02-06 17:55:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 17:55:00,609 INFO L225 Difference]: With dead ends: 45 [2025-02-06 17:55:00,609 INFO L226 Difference]: Without dead ends: 37 [2025-02-06 17:55:00,609 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-02-06 17:55:00,609 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 39 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 17:55:00,610 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 159 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 17:55:00,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2025-02-06 17:55:00,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2025-02-06 17:55:00,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.393939393939394) internal successors, (46), 34 states have internal predecessors, (46), 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) [2025-02-06 17:55:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 48 transitions. [2025-02-06 17:55:00,613 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 48 transitions. Word has length 18 [2025-02-06 17:55:00,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 17:55:00,613 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 48 transitions. [2025-02-06 17:55:00,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 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) [2025-02-06 17:55:00,614 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2025-02-06 17:55:00,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-06 17:55:00,614 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 17:55:00,614 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 17:55:00,614 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 17:55:00,614 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2025-02-06 17:55:00,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 17:55:00,615 INFO L85 PathProgramCache]: Analyzing trace with hash -452702699, now seen corresponding path program 1 times [2025-02-06 17:55:00,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 17:55:00,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264804423] [2025-02-06 17:55:00,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 17:55:00,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 17:55:00,624 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 17:55:00,632 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 17:55:00,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:55:00,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 17:55:00,633 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-06 17:55:00,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-06 17:55:00,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-06 17:55:00,642 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 17:55:00,642 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-06 17:55:00,654 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-06 17:55:00,655 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-06 17:55:00,655 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2025-02-06 17:55:00,656 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2025-02-06 17:55:00,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 17:55:00,658 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-02-06 17:55:00,671 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-06 17:55:00,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.02 05:55:00 BoogieIcfgContainer [2025-02-06 17:55:00,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-06 17:55:00,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-06 17:55:00,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-06 17:55:00,674 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-06 17:55:00,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 05:54:59" (3/4) ... [2025-02-06 17:55:00,675 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2025-02-06 17:55:00,703 INFO L127 tionWitnessGenerator]: Generated YAML witness of length 8. [2025-02-06 17:55:00,735 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-06 17:55:00,735 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-06 17:55:00,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-06 17:55:00,736 INFO L158 Benchmark]: Toolchain (without parser) took 1813.90ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 64.6MB in the end (delta: 54.8MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2025-02-06 17:55:00,736 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 17:55:00,736 INFO L158 Benchmark]: CACSL2BoogieTranslator took 642.98ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 59.0MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-06 17:55:00,736 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.68ms. Allocated memory is still 167.8MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 17:55:00,736 INFO L158 Benchmark]: Boogie Preprocessor took 35.75ms. Allocated memory is still 167.8MB. Free memory was 56.2MB in the beginning and 55.2MB in the end (delta: 949.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 17:55:00,736 INFO L158 Benchmark]: IcfgBuilder took 344.67ms. Allocated memory is still 167.8MB. Free memory was 55.2MB in the beginning and 37.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-06 17:55:00,737 INFO L158 Benchmark]: TraceAbstraction took 675.56ms. Allocated memory is still 167.8MB. Free memory was 37.5MB in the beginning and 71.1MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-06 17:55:00,737 INFO L158 Benchmark]: Witness Printer took 61.34ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 64.6MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-06 17:55:00,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 642.98ms. Allocated memory is still 167.8MB. Free memory was 119.4MB in the beginning and 59.0MB in the end (delta: 60.4MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.68ms. Allocated memory is still 167.8MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.75ms. Allocated memory is still 167.8MB. Free memory was 56.2MB in the beginning and 55.2MB in the end (delta: 949.1kB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 344.67ms. Allocated memory is still 167.8MB. Free memory was 55.2MB in the beginning and 37.5MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 675.56ms. Allocated memory is still 167.8MB. Free memory was 37.5MB in the beginning and 71.1MB in the end (delta: -33.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 61.34ms. Allocated memory is still 167.8MB. Free memory was 71.1MB in the beginning and 64.6MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1561]: integer overflow possible integer overflow possible We found a FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE191_Integer_Underflow__int_rand_multiply_16_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] COND TRUE 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] COND TRUE data < 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1561]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 39 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 214 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 94 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 RESULT: Ultimate proved your program to be incorrect! [2025-02-06 17:55:00,749 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)