./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/CWE190_Integer_Overflow__int_rand_multiply_22_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 cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:27:17,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:27:17,766 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-23 00:27:17,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:27:17,774 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:27:17,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:27:17,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:27:17,802 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:27:17,802 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:27:17,803 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:27:17,804 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:27:17,805 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:27:17,805 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:27:17,805 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:27:17,806 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:27:17,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:27:17,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:27:17,810 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 00:27:17,810 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:27:17,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:27:17,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:27:17,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:27:17,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:27:17,811 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:27:17,812 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:27:17,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:27:17,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:27:17,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:27:17,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:27:17,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:27:17,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:27:17,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:27:17,814 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:27:17,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:27:17,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:27:17,815 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-23 00:27:17,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-23 00:27:17,816 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:27:17,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:27:17,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:27:17,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:27:17,816 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 [2024-11-23 00:27:18,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:27:18,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:27:18,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:27:18,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:27:18,051 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:27:18,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:19,306 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:27:19,612 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:27:19,613 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:19,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e61b1655/b6a41e0482da4434a41e8dc2fc7eac17/FLAG004038929 [2024-11-23 00:27:19,910 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e61b1655/b6a41e0482da4434a41e8dc2fc7eac17 [2024-11-23 00:27:19,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:27:19,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:27:19,915 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:27:19,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:27:19,920 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:27:19,921 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:19" (1/1) ... [2024-11-23 00:27:19,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65808ddc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:19, skipping insertion in model container [2024-11-23 00:27:19,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:19" (1/1) ... [2024-11-23 00:27:19,994 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:27:20,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:27:20,737 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:27:20,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:27:20,922 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:27:20,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20 WrapperNode [2024-11-23 00:27:20,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:27:20,923 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:27:20,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:27:20,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:27:20,930 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:20,960 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:20,986 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 102 [2024-11-23 00:27:20,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:27:20,987 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:27:20,987 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:27:20,987 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:27:20,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:20,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:20,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,007 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:27:21,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,014 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,017 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,018 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:27:21,021 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:27:21,021 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:27:21,022 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:27:21,023 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (1/1) ... [2024-11-23 00:27:21,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:27:21,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:27:21,054 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) [2024-11-23 00:27:21,057 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 [2024-11-23 00:27:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:27:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:27:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:27:21,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:27:21,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:27:21,192 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:27:21,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:27:21,354 INFO L? ?]: Removed 59 outVars from TransFormulas that were not future-live. [2024-11-23 00:27:21,354 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:27:21,364 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:27:21,364 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:27:21,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:21 BoogieIcfgContainer [2024-11-23 00:27:21,365 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:27:21,368 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:27:21,368 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:27:21,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:27:21,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:27:19" (1/3) ... [2024-11-23 00:27:21,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336e1cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:27:21, skipping insertion in model container [2024-11-23 00:27:21,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:20" (2/3) ... [2024-11-23 00:27:21,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@336e1cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:27:21, skipping insertion in model container [2024-11-23 00:27:21,373 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:21" (3/3) ... [2024-11-23 00:27:21,373 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:21,387 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:27:21,387 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:27:21,432 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:27:21,438 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;@24e7aac1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:27:21,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:27:21,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 40 states have internal predecessors, (56), 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) [2024-11-23 00:27:21,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-23 00:27:21,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:27:21,450 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:27:21,451 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:27:21,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:27:21,455 INFO L85 PathProgramCache]: Analyzing trace with hash -897956687, now seen corresponding path program 1 times [2024-11-23 00:27:21,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:27:21,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439873674] [2024-11-23 00:27:21,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:27:21,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:27:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:27:21,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:27:21,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 00:27:21,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439873674] [2024-11-23 00:27:21,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439873674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:27:21,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:27:21,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 00:27:21,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319149481] [2024-11-23 00:27:21,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:27:21,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 00:27:21,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 00:27:21,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 00:27:21,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:27:21,695 INFO L87 Difference]: Start difference. First operand has 44 states, 38 states have (on average 1.4736842105263157) internal successors, (56), 40 states have internal predecessors, (56), 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 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:27:21,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:27:21,805 INFO L93 Difference]: Finished difference Result 44 states and 60 transitions. [2024-11-23 00:27:21,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 00:27:21,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-23 00:27:21,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:27:21,813 INFO L225 Difference]: With dead ends: 44 [2024-11-23 00:27:21,813 INFO L226 Difference]: Without dead ends: 35 [2024-11-23 00:27:21,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:27:21,817 INFO L432 NwaCegarLoop]: 56 mSDtfsCounter, 1 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 00:27:21,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 108 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:27:21,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-23 00:27:21,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-23 00:27:21,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.4375) internal successors, (46), 32 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) [2024-11-23 00:27:21,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 48 transitions. [2024-11-23 00:27:21,844 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 48 transitions. Word has length 17 [2024-11-23 00:27:21,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:27:21,845 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 48 transitions. [2024-11-23 00:27:21,845 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-23 00:27:21,845 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 48 transitions. [2024-11-23 00:27:21,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 00:27:21,846 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:27:21,846 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:27:21,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-23 00:27:21,846 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:27:21,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:27:21,847 INFO L85 PathProgramCache]: Analyzing trace with hash -2066853390, now seen corresponding path program 1 times [2024-11-23 00:27:21,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:27:21,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [906134019] [2024-11-23 00:27:21,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:27:21,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:27:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:27:22,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:27:22,113 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-23 00:27:22,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [906134019] [2024-11-23 00:27:22,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [906134019] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:27:22,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:27:22,114 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-23 00:27:22,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753901769] [2024-11-23 00:27:22,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:27:22,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-23 00:27:22,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-23 00:27:22,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-23 00:27:22,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 00:27:22,116 INFO L87 Difference]: Start difference. First operand 35 states and 48 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) [2024-11-23 00:27:22,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:27:22,167 INFO L93 Difference]: Finished difference Result 42 states and 54 transitions. [2024-11-23 00:27:22,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-23 00:27:22,171 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 [2024-11-23 00:27:22,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:27:22,171 INFO L225 Difference]: With dead ends: 42 [2024-11-23 00:27:22,171 INFO L226 Difference]: Without dead ends: 35 [2024-11-23 00:27:22,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-23 00:27:22,173 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 3 mSDsluCounter, 151 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 00:27:22,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 191 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:27:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-23 00:27:22,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2024-11-23 00:27:22,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 32 states have (on average 1.375) internal successors, (44), 32 states have internal predecessors, (44), 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) [2024-11-23 00:27:22,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2024-11-23 00:27:22,177 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 46 transitions. Word has length 18 [2024-11-23 00:27:22,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:27:22,178 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 46 transitions. [2024-11-23 00:27:22,178 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) [2024-11-23 00:27:22,178 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 46 transitions. [2024-11-23 00:27:22,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-23 00:27:22,179 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:27:22,179 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:27:22,179 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-23 00:27:22,179 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:27:22,180 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:27:22,180 INFO L85 PathProgramCache]: Analyzing trace with hash -1186107176, now seen corresponding path program 1 times [2024-11-23 00:27:22,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-23 00:27:22,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506757297] [2024-11-23 00:27:22,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:27:22,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 00:27:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:27:22,208 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:27:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:27:22,243 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-23 00:27:22,243 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:27:22,244 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:27:22,246 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:27:22,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-23 00:27:22,249 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-23 00:27:22,271 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:27:22,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:27:22 BoogieIcfgContainer [2024-11-23 00:27:22,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:27:22,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:27:22,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:27:22,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:27:22,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:21" (3/4) ... [2024-11-23 00:27:22,276 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:27:22,278 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:27:22,279 INFO L158 Benchmark]: Toolchain (without parser) took 2365.17ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 83.5MB in the beginning and 111.8MB in the end (delta: -28.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:27:22,281 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:22,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1007.91ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 83.3MB in the beginning and 112.7MB in the end (delta: -29.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. [2024-11-23 00:27:22,282 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.42ms. Allocated memory is still 192.9MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:27:22,282 INFO L158 Benchmark]: Boogie Preprocessor took 33.45ms. Allocated memory is still 192.9MB. Free memory was 109.5MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-23 00:27:22,282 INFO L158 Benchmark]: RCFGBuilder took 344.48ms. Allocated memory is still 192.9MB. Free memory was 106.4MB in the beginning and 89.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-23 00:27:22,283 INFO L158 Benchmark]: TraceAbstraction took 905.53ms. Allocated memory is still 192.9MB. Free memory was 88.5MB in the beginning and 111.8MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:22,283 INFO L158 Benchmark]: Witness Printer took 4.53ms. Allocated memory is still 192.9MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:22,289 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 109.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1007.91ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 83.3MB in the beginning and 112.7MB in the end (delta: -29.4MB). Peak memory consumption was 18.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.42ms. Allocated memory is still 192.9MB. Free memory was 112.7MB in the beginning and 109.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.45ms. Allocated memory is still 192.9MB. Free memory was 109.5MB in the beginning and 106.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 344.48ms. Allocated memory is still 192.9MB. Free memory was 106.4MB in the beginning and 89.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 905.53ms. Allocated memory is still 192.9MB. Free memory was 88.5MB in the beginning and 111.8MB in the end (delta: -23.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.53ms. Allocated memory is still 192.9MB. Free memory is still 111.8MB. 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: 1573]: 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 1561. 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] int CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [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 [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1554] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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)) [L1555] CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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: 0.8s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 299 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 203 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 96 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 75 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-23 00:27:22,305 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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/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/CWE190_Integer_Overflow__int_rand_multiply_22_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 cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-23 00:27:24,268 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 00:27:24,324 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-23 00:27:24,340 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 00:27:24,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 00:27:24,341 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-23 00:27:24,366 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 00:27:24,368 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 00:27:24,368 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 00:27:24,371 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 00:27:24,371 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 00:27:24,371 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-23 00:27:24,371 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-23 00:27:24,372 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 00:27:24,372 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 00:27:24,372 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 00:27:24,372 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 00:27:24,372 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-23 00:27:24,372 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 00:27:24,373 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-23 00:27:24,373 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-23 00:27:24,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 00:27:24,377 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 00:27:24,377 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 00:27:24,377 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 00:27:24,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 00:27:24,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-23 00:27:24,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-23 00:27:24,379 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:27:24,379 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 00:27:24,379 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-23 00:27:24,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-23 00:27:24,381 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb25d14d5395555210e339295241fad9414cdcd02142f6b55159a8c5b86e3bb0 [2024-11-23 00:27:24,659 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 00:27:24,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 00:27:24,687 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 00:27:24,688 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 00:27:24,688 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 00:27:24,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:26,177 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-23 00:27:26,466 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 00:27:26,466 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:26,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb87db2e1/264190ebb4bf45df83f3ac645f44fcda/FLAG289042121 [2024-11-23 00:27:26,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb87db2e1/264190ebb4bf45df83f3ac645f44fcda [2024-11-23 00:27:26,502 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 00:27:26,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 00:27:26,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 00:27:26,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 00:27:26,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 00:27:26,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:26" (1/1) ... [2024-11-23 00:27:26,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a91d1f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:26, skipping insertion in model container [2024-11-23 00:27:26,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:27:26" (1/1) ... [2024-11-23 00:27:26,577 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 00:27:27,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:27:27,201 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 00:27:27,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 00:27:27,374 INFO L204 MainTranslator]: Completed translation [2024-11-23 00:27:27,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27 WrapperNode [2024-11-23 00:27:27,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 00:27:27,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 00:27:27,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 00:27:27,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 00:27:27,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,404 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,430 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 62 [2024-11-23 00:27:27,430 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 00:27:27,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 00:27:27,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 00:27:27,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 00:27:27,440 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,443 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,454 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 00:27:27,458 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,458 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,464 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,485 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 00:27:27,488 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 00:27:27,488 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 00:27:27,488 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 00:27:27,489 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (1/1) ... [2024-11-23 00:27:27,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-23 00:27:27,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-23 00:27:27,533 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) [2024-11-23 00:27:27,542 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 [2024-11-23 00:27:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-23 00:27:27,571 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-23 00:27:27,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-23 00:27:27,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 00:27:27,572 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 00:27:27,675 INFO L238 CfgBuilder]: Building ICFG [2024-11-23 00:27:27,677 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 00:27:27,767 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-23 00:27:27,767 INFO L287 CfgBuilder]: Performing block encoding [2024-11-23 00:27:27,787 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 00:27:27,788 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-23 00:27:27,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:27 BoogieIcfgContainer [2024-11-23 00:27:27,788 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 00:27:27,793 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-23 00:27:27,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-23 00:27:27,796 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-23 00:27:27,797 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:27:26" (1/3) ... [2024-11-23 00:27:27,800 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0348e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:27:27, skipping insertion in model container [2024-11-23 00:27:27,800 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:27:27" (2/3) ... [2024-11-23 00:27:27,801 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0348e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:27:27, skipping insertion in model container [2024-11-23 00:27:27,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:27" (3/3) ... [2024-11-23 00:27:27,803 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_22_bad.i [2024-11-23 00:27:27,831 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-23 00:27:27,831 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-23 00:27:27,920 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-23 00:27:27,928 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;@514a4f84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-23 00:27:27,928 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-23 00:27:27,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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) [2024-11-23 00:27:27,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-23 00:27:27,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:27:27,941 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:27:27,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:27:27,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:27:27,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1012160033, now seen corresponding path program 1 times [2024-11-23 00:27:27,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:27:27,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1840475103] [2024-11-23 00:27:27,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:27:27,962 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 [2024-11-23 00:27:27,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:27:27,965 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) [2024-11-23 00:27:27,966 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 [2024-11-23 00:27:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 00:27:28,140 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 00:27:28,144 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 00:27:28,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 00:27:28,167 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-23 00:27:28,168 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-23 00:27:28,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1840475103] [2024-11-23 00:27:28,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1840475103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-23 00:27:28,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-23 00:27:28,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-23 00:27:28,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983312603] [2024-11-23 00:27:28,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-23 00:27:28,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-23 00:27:28,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-23 00:27:28,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-23 00:27:28,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:27:28,196 INFO L87 Difference]: Start difference. First operand has 24 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 20 states have internal predecessors, (24), 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 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 00:27:28,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-23 00:27:28,227 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-11-23 00:27:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-23 00:27:28,230 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-11-23 00:27:28,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-23 00:27:28,235 INFO L225 Difference]: With dead ends: 24 [2024-11-23 00:27:28,235 INFO L226 Difference]: Without dead ends: 15 [2024-11-23 00:27:28,237 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-23 00:27:28,241 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 1 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-23 00:27:28,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 44 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-23 00:27:28,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-23 00:27:28,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-23 00:27:28,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 12 states have internal predecessors, (14), 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) [2024-11-23 00:27:28,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2024-11-23 00:27:28,267 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 13 [2024-11-23 00:27:28,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-23 00:27:28,268 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2024-11-23 00:27:28,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-11-23 00:27:28,268 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2024-11-23 00:27:28,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-23 00:27:28,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-23 00:27:28,269 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-23 00:27:28,274 INFO L552 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)] Ended with exit code 0 [2024-11-23 00:27:28,470 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 [2024-11-23 00:27:28,471 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-23 00:27:28,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 00:27:28,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1312189892, now seen corresponding path program 1 times [2024-11-23 00:27:28,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-23 00:27:28,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [622764523] [2024-11-23 00:27:28,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 00:27:28,473 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 [2024-11-23 00:27:28,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-23 00:27:28,476 INFO L229 MonitoredProcess]: Starting monitored process 3 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) [2024-11-23 00:27:28,477 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 (3)] Waiting until timeout for monitored process [2024-11-23 00:27:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:27:28,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 00:27:28,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 00:27:28,595 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-23 00:27:28,598 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-23 00:27:28,600 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-23 00:27:28,605 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-23 00:27:28,619 INFO L552 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 (3)] Ended with exit code 0 [2024-11-23 00:27:28,806 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 [2024-11-23 00:27:28,809 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-23 00:27:28,830 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-23 00:27:28,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:27:28 BoogieIcfgContainer [2024-11-23 00:27:28,835 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-23 00:27:28,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 00:27:28,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 00:27:28,836 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 00:27:28,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:27:27" (3/4) ... [2024-11-23 00:27:28,838 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-23 00:27:28,839 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 00:27:28,840 INFO L158 Benchmark]: Toolchain (without parser) took 2337.10ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 46.2MB in the beginning and 89.5MB in the end (delta: -43.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:28,840 INFO L158 Benchmark]: CDTParser took 1.36ms. Allocated memory is still 88.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:28,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 871.51ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 62.2MB in the end (delta: -16.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-11-23 00:27:28,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.83ms. Allocated memory is still 123.7MB. Free memory was 61.7MB in the beginning and 58.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-23 00:27:28,842 INFO L158 Benchmark]: Boogie Preprocessor took 56.86ms. Allocated memory is still 123.7MB. Free memory was 58.7MB in the beginning and 95.1MB in the end (delta: -36.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-23 00:27:28,843 INFO L158 Benchmark]: RCFGBuilder took 299.80ms. Allocated memory is still 123.7MB. Free memory was 95.1MB in the beginning and 80.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-23 00:27:28,843 INFO L158 Benchmark]: TraceAbstraction took 1041.67ms. Allocated memory is still 123.7MB. Free memory was 79.7MB in the beginning and 89.6MB in the end (delta: -9.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-23 00:27:28,843 INFO L158 Benchmark]: Witness Printer took 3.70ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 00:27:28,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36ms. Allocated memory is still 88.1MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 871.51ms. Allocated memory was 88.1MB in the beginning and 123.7MB in the end (delta: 35.7MB). Free memory was 45.9MB in the beginning and 62.2MB in the end (delta: -16.3MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.83ms. Allocated memory is still 123.7MB. Free memory was 61.7MB in the beginning and 58.7MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.86ms. Allocated memory is still 123.7MB. Free memory was 58.7MB in the beginning and 95.1MB in the end (delta: -36.4MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 299.80ms. Allocated memory is still 123.7MB. Free memory was 95.1MB in the beginning and 80.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1041.67ms. Allocated memory is still 123.7MB. Free memory was 79.7MB in the beginning and 89.6MB in the end (delta: -9.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.70ms. Allocated memory is still 123.7MB. Free memory was 89.6MB in the beginning and 89.5MB in the end (delta: 2.6kB). 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: 1573]: 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 1561. 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] int CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1561] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=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) [L1561] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1562] CALL CWE190_Integer_Overflow__int_rand_multiply_22_bad() [L1552] int data; [L1553] data = 0 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1554] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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)) [L1555] CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal = 1 [L1556] CALL CWE190_Integer_Overflow__int_rand_multiply_22_badSink(data) [L1569] COND TRUE \read(CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal) VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1573] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_22_badGlobal=1, 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: 1573]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 24 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 14 SizeOfPredicates, 0 NumberOfNonLiveVariables, 52 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2024-11-23 00:27:28,870 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