./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/CWE191_Integer_Underflow__int_rand_sub_45_bad.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 c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:23:37,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:23:37,790 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-19 13:23:37,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:23:37,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:23:37,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:23:37,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:23:37,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:23:37,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:23:37,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:23:37,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:23:37,818 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:23:37,819 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:23:37,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:23:37,820 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:23:37,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:23:37,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:23:37,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 13:23:37,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:23:37,821 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:23:37,821 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:23:37,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:23:37,824 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:23:37,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:23:37,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:23:37,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:23:37,825 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:23:37,825 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:23:37,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:37,826 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 13:23:37,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 13:23:37,827 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:23:37,827 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:23:37,827 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:23:37,827 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:23:37,827 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e [2024-11-19 13:23:38,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:23:38,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:23:38,071 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:23:38,072 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:23:38,073 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:23:38,074 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:39,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:23:39,640 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:23:39,641 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:39,663 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092edd862/8882fd60e0674c3a99b810e4f131b6c8/FLAGf1631dba0 [2024-11-19 13:23:39,677 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/092edd862/8882fd60e0674c3a99b810e4f131b6c8 [2024-11-19 13:23:39,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:23:39,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:23:39,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:39,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:23:39,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:23:39,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:39" (1/1) ... [2024-11-19 13:23:39,689 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6548e656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:39, skipping insertion in model container [2024-11-19 13:23:39,689 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:39" (1/1) ... [2024-11-19 13:23:39,738 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:23:40,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:40,331 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:23:40,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:40,475 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:23:40,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40 WrapperNode [2024-11-19 13:23:40,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:40,476 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:40,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:23:40,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:23:40,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,508 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,541 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-19 13:23:40,542 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:40,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:23:40,543 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:23:40,543 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:23:40,556 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,575 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:23:40,578 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,585 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,593 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,601 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:23:40,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:23:40,602 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:23:40,602 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:23:40,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (1/1) ... [2024-11-19 13:23:40,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:40,623 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:23:40,641 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) [2024-11-19 13:23:40,644 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 [2024-11-19 13:23:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:23:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:23:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:23:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:23:40,793 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:23:40,794 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:23:40,957 INFO L? ?]: Removed 57 outVars from TransFormulas that were not future-live. [2024-11-19 13:23:40,957 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:23:40,967 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:23:40,967 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:23:40,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:40 BoogieIcfgContainer [2024-11-19 13:23:40,968 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:23:40,969 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:23:40,969 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:23:40,972 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:23:40,972 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:23:39" (1/3) ... [2024-11-19 13:23:40,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215ed04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:40, skipping insertion in model container [2024-11-19 13:23:40,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:40" (2/3) ... [2024-11-19 13:23:40,973 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@215ed04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:40, skipping insertion in model container [2024-11-19 13:23:40,973 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:40" (3/3) ... [2024-11-19 13:23:40,974 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:40,987 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:23:40,987 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:23:41,033 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:23:41,040 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;@d4d2215, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:23:41,040 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:23:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 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) [2024-11-19 13:23:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 13:23:41,052 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:23:41,053 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:23:41,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:23:41,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:23:41,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1664946168, now seen corresponding path program 1 times [2024-11-19 13:23:41,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 13:23:41,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504159165] [2024-11-19 13:23:41,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:23:41,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 13:23:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:41,227 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:23:41,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:41,295 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-19 13:23:41,297 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:23:41,297 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:23:41,299 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:23:41,300 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 13:23:41,303 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:23:41,324 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:23:41,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:23:41 BoogieIcfgContainer [2024-11-19 13:23:41,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:23:41,328 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:23:41,328 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:23:41,328 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:23:41,329 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:40" (3/4) ... [2024-11-19 13:23:41,332 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:23:41,333 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:23:41,334 INFO L158 Benchmark]: Toolchain (without parser) took 1653.03ms. Allocated memory is still 174.1MB. Free memory was 100.9MB in the beginning and 136.2MB in the end (delta: -35.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:41,334 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:41,335 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.92ms. Allocated memory is still 174.1MB. Free memory was 100.6MB in the beginning and 86.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,335 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.72ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,335 INFO L158 Benchmark]: Boogie Preprocessor took 58.34ms. Allocated memory is still 174.1MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,335 INFO L158 Benchmark]: RCFGBuilder took 366.22ms. Allocated memory is still 174.1MB. Free memory was 81.9MB in the beginning and 64.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,336 INFO L158 Benchmark]: TraceAbstraction took 357.88ms. Allocated memory is still 174.1MB. Free memory was 63.9MB in the beginning and 137.2MB in the end (delta: -73.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,336 INFO L158 Benchmark]: Witness Printer took 5.68ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 136.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:41,338 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 119.5MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.92ms. Allocated memory is still 174.1MB. Free memory was 100.6MB in the beginning and 86.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.72ms. Allocated memory is still 174.1MB. Free memory was 86.9MB in the beginning and 84.0MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.34ms. Allocated memory is still 174.1MB. Free memory was 84.0MB in the beginning and 81.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 366.22ms. Allocated memory is still 174.1MB. Free memory was 81.9MB in the beginning and 64.8MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 357.88ms. Allocated memory is still 174.1MB. Free memory was 63.9MB in the beginning and 137.2MB in the end (delta: -73.3MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Witness Printer took 5.68ms. Allocated memory is still 174.1MB. Free memory was 137.2MB in the beginning and 136.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible 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); [L1548] static int CWE191_Integer_Underflow__int_rand_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CWE191_Integer_Underflow__int_rand_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_sub_45_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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: 1555]: 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, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:23:41,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/CWE191_Integer_Underflow__int_rand_sub_45_bad.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.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 c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 13:23:43,210 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 13:23:43,278 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-19 13:23:43,282 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 13:23:43,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 13:23:43,283 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-19 13:23:43,306 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 13:23:43,307 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 13:23:43,307 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 13:23:43,308 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 13:23:43,308 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 13:23:43,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 13:23:43,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 13:23:43,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 13:23:43,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 13:23:43,309 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 13:23:43,310 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 13:23:43,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 13:23:43,310 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 13:23:43,310 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 13:23:43,311 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 13:23:43,312 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-19 13:23:43,312 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 13:23:43,312 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 13:23:43,312 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 13:23:43,312 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 13:23:43,312 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 13:23:43,313 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 13:23:43,313 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 13:23:43,313 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:43,313 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 13:23:43,313 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 13:23:43,313 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 13:23:43,314 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-19 13:23:43,314 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-19 13:23:43,314 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 13:23:43,317 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 13:23:43,317 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 13:23:43,317 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 13:23:43,317 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c05c0753683d1aab4bbe2ae982e8c3961d5c34e044217e8023114e770805811e [2024-11-19 13:23:43,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 13:23:43,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 13:23:43,606 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 13:23:43,607 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 13:23:43,607 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 13:23:43,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:44,962 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 13:23:45,224 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 13:23:45,225 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:45,251 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb90fa05/3f6f485b76364b7fbe3100b8623aa8b2/FLAG186367244 [2024-11-19 13:23:45,266 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dbb90fa05/3f6f485b76364b7fbe3100b8623aa8b2 [2024-11-19 13:23:45,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 13:23:45,270 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 13:23:45,271 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:45,271 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 13:23:45,276 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 13:23:45,276 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:45" (1/1) ... [2024-11-19 13:23:45,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@818627d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:45, skipping insertion in model container [2024-11-19 13:23:45,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:23:45" (1/1) ... [2024-11-19 13:23:45,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 13:23:46,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:46,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 13:23:46,088 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 13:23:46,217 INFO L204 MainTranslator]: Completed translation [2024-11-19 13:23:46,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46 WrapperNode [2024-11-19 13:23:46,218 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 13:23:46,219 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:46,219 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 13:23:46,219 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 13:23:46,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,247 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,263 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-19 13:23:46,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 13:23:46,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 13:23:46,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 13:23:46,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 13:23:46,274 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,278 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,286 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-19 13:23:46,286 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,286 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,292 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,294 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 13:23:46,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 13:23:46,299 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 13:23:46,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 13:23:46,300 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (1/1) ... [2024-11-19 13:23:46,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 13:23:46,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 13:23:46,333 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) [2024-11-19 13:23:46,340 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 [2024-11-19 13:23:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-19 13:23:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-19 13:23:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 13:23:46,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 13:23:46,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 13:23:46,527 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 13:23:46,529 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 13:23:46,650 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-19 13:23:46,650 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 13:23:46,662 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 13:23:46,662 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-19 13:23:46,662 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:46 BoogieIcfgContainer [2024-11-19 13:23:46,662 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 13:23:46,664 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 13:23:46,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 13:23:46,682 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 13:23:46,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:23:45" (1/3) ... [2024-11-19 13:23:46,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da0e277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:46, skipping insertion in model container [2024-11-19 13:23:46,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:23:46" (2/3) ... [2024-11-19 13:23:46,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4da0e277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:23:46, skipping insertion in model container [2024-11-19 13:23:46,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:46" (3/3) ... [2024-11-19 13:23:46,685 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_sub_45_bad.i [2024-11-19 13:23:46,699 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 13:23:46,699 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-19 13:23:46,750 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 13:23:46,755 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;@616104f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 13:23:46,755 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-19 13:23:46,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 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) [2024-11-19 13:23:46,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 13:23:46,770 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 13:23:46,771 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 13:23:46,771 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-19 13:23:46,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 13:23:46,776 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2024-11-19 13:23:46,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-19 13:23:46,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1517535134] [2024-11-19 13:23:46,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 13:23:46,787 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:23:46,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-19 13:23:46,790 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-19 13:23:46,791 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-19 13:23:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:46,877 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-19 13:23:46,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-19 13:23:46,941 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-19 13:23:46,943 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-19 13:23:46,944 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-19 13:23:46,946 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-19 13:23:46,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-19 13:23:47,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-19 13:23:47,152 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-19 13:23:47,178 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 13:23:47,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 01:23:47 BoogieIcfgContainer [2024-11-19 13:23:47,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 13:23:47,182 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 13:23:47,183 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 13:23:47,183 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 13:23:47,183 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:23:46" (3/4) ... [2024-11-19 13:23:47,185 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-19 13:23:47,187 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 13:23:47,188 INFO L158 Benchmark]: Toolchain (without parser) took 1917.72ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 40.4MB in the end (delta: -966.3kB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-19 13:23:47,189 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:47,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 946.77ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.3MB in the beginning and 53.2MB in the end (delta: -14.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2024-11-19 13:23:47,190 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.35ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:47,191 INFO L158 Benchmark]: Boogie Preprocessor took 34.55ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 47.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 13:23:47,192 INFO L158 Benchmark]: RCFGBuilder took 363.14ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 33.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 13:23:47,192 INFO L158 Benchmark]: TraceAbstraction took 517.44ms. Allocated memory is still 86.0MB. Free memory was 32.7MB in the beginning and 40.9MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:47,193 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 40.4MB in the end (delta: 490.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 13:23:47,195 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 65.0MB. Free memory was 41.6MB in the beginning and 41.5MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 946.77ms. Allocated memory was 65.0MB in the beginning and 86.0MB in the end (delta: 21.0MB). Free memory was 39.3MB in the beginning and 53.2MB in the end (delta: -14.0MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.35ms. Allocated memory is still 86.0MB. Free memory was 53.2MB in the beginning and 50.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.55ms. Allocated memory is still 86.0MB. Free memory was 50.2MB in the beginning and 47.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.14ms. Allocated memory is still 86.0MB. Free memory was 47.4MB in the beginning and 33.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 517.44ms. Allocated memory is still 86.0MB. Free memory was 32.7MB in the beginning and 40.9MB in the end (delta: -8.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 86.0MB. Free memory was 40.9MB in the beginning and 40.4MB in the end (delta: 490.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible 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); [L1548] static int CWE191_Integer_Underflow__int_rand_sub_45_badData; [L1549] static int CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData; [L1550] static int CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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 [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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_sub_45_bad() [L1561] int data; [L1562] data = 0 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1563] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1563] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1564] CWE191_Integer_Underflow__int_rand_sub_45_badData = data [L1565] CALL badSink() [L1553] int data = CWE191_Integer_Underflow__int_rand_sub_45_badData; VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data - 1 VAL [CWE191_Integer_Underflow__int_rand_sub_45_badData=-2147483648, CWE191_Integer_Underflow__int_rand_sub_45_goodB2GData=0, CWE191_Integer_Underflow__int_rand_sub_45_goodG2BData=0, 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: 1555]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-19 13:23:47,224 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: UNKNOWN: Overapproximated counterexample