./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_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 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:05:42,177 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:05:42,248 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-24 22:05:42,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:05:42,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:05:42,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:05:42,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:05:42,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:05:42,290 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:05:42,292 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:05:42,292 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:05:42,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:05:42,293 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:05:42,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:05:42,296 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:05:42,297 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:05:42,297 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:05:42,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 22:05:42,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:05:42,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:05:42,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:05:42,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:05:42,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:05:42,300 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:05:42,300 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:05:42,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:05:42,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:05:42,301 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:05:42,301 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:05:42,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:05:42,302 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:05:42,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:05:42,302 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:05:42,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:05:42,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:05:42,303 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 22:05:42,304 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 22:05:42,304 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:05:42,304 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:05:42,305 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:05:42,305 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:05:42,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 [2024-10-24 22:05:42,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:05:42,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:05:42,638 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:05:42,639 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:05:42,640 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:05:42,641 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:44,060 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:05:44,391 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:05:44,391 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:44,419 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49c75f81/bd789756c0d443c186a70ddc0dc3b73c/FLAG6cf8e7ed0 [2024-10-24 22:05:44,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a49c75f81/bd789756c0d443c186a70ddc0dc3b73c [2024-10-24 22:05:44,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:05:44,442 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:05:44,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:05:44,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:05:44,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:05:44,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:44" (1/1) ... [2024-10-24 22:05:44,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43293a00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:44, skipping insertion in model container [2024-10-24 22:05:44,456 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:44" (1/1) ... [2024-10-24 22:05:44,516 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:05:45,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:05:45,288 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:05:45,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:05:45,525 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:05:45,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45 WrapperNode [2024-10-24 22:05:45,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:05:45,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:05:45,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:05:45,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:05:45,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,572 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,607 INFO L138 Inliner]: procedures = 498, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 101 [2024-10-24 22:05:45,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:05:45,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:05:45,609 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:05:45,609 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:05:45,621 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,626 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,648 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:05:45,648 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,662 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,664 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,668 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:05:45,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:05:45,677 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:05:45,677 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:05:45,678 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (1/1) ... [2024-10-24 22:05:45,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:05:45,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:05:45,717 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) [2024-10-24 22:05:45,720 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 [2024-10-24 22:05:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:05:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:05:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:05:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:05:45,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:05:45,920 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:05:45,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:05:46,163 INFO L? ?]: Removed 58 outVars from TransFormulas that were not future-live. [2024-10-24 22:05:46,164 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:05:46,186 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:05:46,187 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:05:46,187 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:46 BoogieIcfgContainer [2024-10-24 22:05:46,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:05:46,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:05:46,190 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:05:46,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:05:46,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:05:44" (1/3) ... [2024-10-24 22:05:46,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a42b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:46, skipping insertion in model container [2024-10-24 22:05:46,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:45" (2/3) ... [2024-10-24 22:05:46,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a42b73 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:46, skipping insertion in model container [2024-10-24 22:05:46,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:46" (3/3) ... [2024-10-24 22:05:46,197 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:46,212 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:05:46,213 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:05:46,273 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:05:46,279 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;@72733990, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:05:46,279 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:05:46,284 INFO L276 IsEmpty]: Start isEmpty. Operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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) [2024-10-24 22:05:46,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 22:05:46,292 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:05:46,293 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:05:46,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:05:46,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:05:46,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1178046316, now seen corresponding path program 1 times [2024-10-24 22:05:46,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:05:46,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858077173] [2024-10-24 22:05:46,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:05:46,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:05:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:05:46,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:05:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:05:46,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:05:46,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:05:46,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858077173] [2024-10-24 22:05:46,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858077173] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:05:46,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:05:46,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:05:46,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236897828] [2024-10-24 22:05:46,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:05:46,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:05:46,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:05:46,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:05:46,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:05:46,759 INFO L87 Difference]: Start difference. First operand has 38 states, 32 states have (on average 1.53125) internal successors, (49), 34 states have internal predecessors, (49), 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 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-24 22:05:46,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:05:46,805 INFO L93 Difference]: Finished difference Result 38 states and 53 transitions. [2024-10-24 22:05:46,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:05:46,808 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 15 [2024-10-24 22:05:46,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:05:46,816 INFO L225 Difference]: With dead ends: 38 [2024-10-24 22:05:46,816 INFO L226 Difference]: Without dead ends: 33 [2024-10-24 22:05:46,818 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:05:46,821 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 1 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:05:46,822 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 89 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:05:46,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-24 22:05:46,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-24 22:05:46,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4666666666666666) internal successors, (44), 30 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) [2024-10-24 22:05:46,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-10-24 22:05:46,859 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-10-24 22:05:46,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:05:46,860 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-10-24 22:05:46,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2024-10-24 22:05:46,860 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-10-24 22:05:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 22:05:46,861 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:05:46,861 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:05:46,861 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 22:05:46,861 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:05:46,862 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:05:46,862 INFO L85 PathProgramCache]: Analyzing trace with hash -2135269740, now seen corresponding path program 1 times [2024-10-24 22:05:46,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:05:46,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425787695] [2024-10-24 22:05:46,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:05:46,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:05:46,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:05:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 22:05:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:05:47,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:05:47,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 22:05:47,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [425787695] [2024-10-24 22:05:47,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [425787695] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:05:47,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:05:47,209 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-24 22:05:47,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542485814] [2024-10-24 22:05:47,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:05:47,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 22:05:47,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 22:05:47,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 22:05:47,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:05:47,214 INFO L87 Difference]: Start difference. First operand 33 states and 46 transitions. Second operand has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2024-10-24 22:05:47,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:05:47,276 INFO L93 Difference]: Finished difference Result 39 states and 51 transitions. [2024-10-24 22:05:47,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 22:05:47,277 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) Word has length 16 [2024-10-24 22:05:47,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:05:47,277 INFO L225 Difference]: With dead ends: 39 [2024-10-24 22:05:47,278 INFO L226 Difference]: Without dead ends: 33 [2024-10-24 22:05:47,278 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 22:05:47,279 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 176 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 22:05:47,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 176 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 22:05:47,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-10-24 22:05:47,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-10-24 22:05:47,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 30 states have (on average 1.4) internal successors, (42), 30 states have internal predecessors, (42), 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) [2024-10-24 22:05:47,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-10-24 22:05:47,284 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-10-24 22:05:47,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:05:47,284 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-10-24 22:05:47,285 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.8) internal successors, (14), 6 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) [2024-10-24 22:05:47,285 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-10-24 22:05:47,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 22:05:47,286 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:05:47,286 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:05:47,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 22:05:47,286 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:05:47,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:05:47,287 INFO L85 PathProgramCache]: Analyzing trace with hash -167195922, now seen corresponding path program 1 times [2024-10-24 22:05:47,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 22:05:47,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631158051] [2024-10-24 22:05:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:05:47,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 22:05:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:05:47,306 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:05:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:05:47,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-24 22:05:47,340 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:05:47,342 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:05:47,344 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:05:47,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 22:05:47,348 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-24 22:05:47,383 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:05:47,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:05:47 BoogieIcfgContainer [2024-10-24 22:05:47,387 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:05:47,388 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:05:47,388 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:05:47,389 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:05:47,389 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:46" (3/4) ... [2024-10-24 22:05:47,391 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:05:47,392 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:05:47,394 INFO L158 Benchmark]: Toolchain (without parser) took 2951.15ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 75.0MB in the beginning and 118.2MB in the end (delta: -43.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-24 22:05:47,395 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:05:47,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.61ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 74.8MB in the beginning and 121.4MB in the end (delta: -46.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-10-24 22:05:47,396 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.90ms. Allocated memory is still 205.5MB. Free memory was 121.4MB in the beginning and 118.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:05:47,397 INFO L158 Benchmark]: Boogie Preprocessor took 65.78ms. Allocated memory is still 205.5MB. Free memory was 118.2MB in the beginning and 116.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:05:47,397 INFO L158 Benchmark]: RCFGBuilder took 512.78ms. Allocated memory is still 205.5MB. Free memory was 115.1MB in the beginning and 97.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-24 22:05:47,397 INFO L158 Benchmark]: TraceAbstraction took 1197.70ms. Allocated memory is still 205.5MB. Free memory was 96.2MB in the beginning and 118.2MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:05:47,398 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 205.5MB. Free memory is still 118.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:05:47,400 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 134.2MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.61ms. Allocated memory was 134.2MB in the beginning and 205.5MB in the end (delta: 71.3MB). Free memory was 74.8MB in the beginning and 121.4MB in the end (delta: -46.6MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.90ms. Allocated memory is still 205.5MB. Free memory was 121.4MB in the beginning and 118.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.78ms. Allocated memory is still 205.5MB. Free memory was 118.2MB in the beginning and 116.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 512.78ms. Allocated memory is still 205.5MB. Free memory was 115.1MB in the beginning and 97.3MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1197.70ms. Allocated memory is still 205.5MB. Free memory was 96.2MB in the beginning and 118.2MB in the end (delta: -22.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 205.5MB. Free memory is still 118.2MB. 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: 1576]: 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 1563. 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); [L1549] int CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] 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_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE190_Integer_Overflow__int_rand_multiply_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_multiply_68_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, 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] [L1574] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, 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] [L1576] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=2147483647, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: 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, 38 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 265 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 182 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 61 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 83 mSDtfsCounter, 61 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 0.6s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 65 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 [2024-10-24 22:05:47,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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 /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_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 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 22:05:49,709 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 22:05:49,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-24 22:05:49,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 22:05:49,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 22:05:49,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-24 22:05:49,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 22:05:49,847 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 22:05:49,847 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 22:05:49,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 22:05:49,848 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 22:05:49,849 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 22:05:49,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 22:05:49,850 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 22:05:49,850 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 22:05:49,851 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 22:05:49,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 22:05:49,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 22:05:49,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 22:05:49,854 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 22:05:49,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 22:05:49,856 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 22:05:49,856 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-24 22:05:49,857 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-24 22:05:49,857 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 22:05:49,858 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 22:05:49,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-24 22:05:49,858 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 22:05:49,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 22:05:49,859 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 22:05:49,859 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 22:05:49,860 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 22:05:49,860 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 22:05:49,860 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 22:05:49,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:05:49,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 22:05:49,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 22:05:49,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 22:05:49,868 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-24 22:05:49,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-24 22:05:49,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 22:05:49,869 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 22:05:49,870 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 22:05:49,870 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 22:05:49,870 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-24 22:05:49,870 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88091b75307d18f7a8efdb56967c14237b5c602d9e161885a92fc0f050297ea7 [2024-10-24 22:05:50,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 22:05:50,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 22:05:50,241 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 22:05:50,242 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 22:05:50,243 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 22:05:50,245 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:51,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 22:05:52,214 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 22:05:52,215 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:52,247 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9cad141/12829eb993ce49579478eff9e67a69e5/FLAGa992935a7 [2024-10-24 22:05:52,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a9cad141/12829eb993ce49579478eff9e67a69e5 [2024-10-24 22:05:52,265 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 22:05:52,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 22:05:52,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 22:05:52,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 22:05:52,274 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 22:05:52,275 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:52" (1/1) ... [2024-10-24 22:05:52,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@318123c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:52, skipping insertion in model container [2024-10-24 22:05:52,278 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 10:05:52" (1/1) ... [2024-10-24 22:05:52,351 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 22:05:53,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:05:53,184 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 22:05:53,294 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 22:05:53,440 INFO L204 MainTranslator]: Completed translation [2024-10-24 22:05:53,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53 WrapperNode [2024-10-24 22:05:53,441 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 22:05:53,442 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 22:05:53,442 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 22:05:53,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 22:05:53,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,514 INFO L138 Inliner]: procedures = 503, calls = 24, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2024-10-24 22:05:53,516 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 22:05:53,517 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 22:05:53,517 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 22:05:53,517 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 22:05:53,528 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,532 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,551 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-24 22:05:53,552 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,552 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,579 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 22:05:53,581 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 22:05:53,581 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 22:05:53,581 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 22:05:53,582 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (1/1) ... [2024-10-24 22:05:53,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 22:05:53,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 22:05:53,627 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) [2024-10-24 22:05:53,630 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 [2024-10-24 22:05:53,682 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-24 22:05:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-24 22:05:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 22:05:53,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 22:05:53,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 22:05:53,829 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 22:05:53,831 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 22:05:53,986 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-24 22:05:53,986 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 22:05:54,017 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 22:05:54,017 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-24 22:05:54,017 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:54 BoogieIcfgContainer [2024-10-24 22:05:54,018 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 22:05:54,020 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 22:05:54,020 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 22:05:54,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 22:05:54,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 10:05:52" (1/3) ... [2024-10-24 22:05:54,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:54, skipping insertion in model container [2024-10-24 22:05:54,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 10:05:53" (2/3) ... [2024-10-24 22:05:54,030 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@299abe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 10:05:54, skipping insertion in model container [2024-10-24 22:05:54,032 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:54" (3/3) ... [2024-10-24 22:05:54,033 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_multiply_68_bad.i [2024-10-24 22:05:54,052 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 22:05:54,052 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-24 22:05:54,127 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 22:05:54,136 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;@508a658e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 22:05:54,137 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-24 22:05:54,141 INFO L276 IsEmpty]: Start isEmpty. Operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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) [2024-10-24 22:05:54,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-24 22:05:54,148 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:05:54,149 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:05:54,150 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:05:54,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:05:54,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1341502318, now seen corresponding path program 1 times [2024-10-24 22:05:54,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:05:54,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2060738593] [2024-10-24 22:05:54,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:05:54,179 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 [2024-10-24 22:05:54,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:05:54,182 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) [2024-10-24 22:05:54,184 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 [2024-10-24 22:05:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 22:05:54,315 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 22:05:54,320 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 22:05:54,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 22:05:54,355 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 22:05:54,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-24 22:05:54,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2060738593] [2024-10-24 22:05:54,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2060738593] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 22:05:54,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 22:05:54,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 22:05:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538749529] [2024-10-24 22:05:54,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 22:05:54,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 22:05:54,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-24 22:05:54,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 22:05:54,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:05:54,393 INFO L87 Difference]: Start difference. First operand has 18 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 14 states have internal predecessors, (17), 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 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:05:54,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 22:05:54,438 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2024-10-24 22:05:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 22:05:54,441 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-24 22:05:54,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 22:05:54,447 INFO L225 Difference]: With dead ends: 18 [2024-10-24 22:05:54,448 INFO L226 Difference]: Without dead ends: 13 [2024-10-24 22:05:54,450 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 22:05:54,453 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 1 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 22:05:54,454 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 25 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 22:05:54,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-24 22:05:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-24 22:05:54,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 10 states have (on average 1.2) internal successors, (12), 10 states have internal predecessors, (12), 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) [2024-10-24 22:05:54,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-10-24 22:05:54,482 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-10-24 22:05:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 22:05:54,482 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-10-24 22:05:54,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-24 22:05:54,483 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-10-24 22:05:54,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-10-24 22:05:54,483 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 22:05:54,483 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 22:05:54,489 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 [2024-10-24 22:05:54,688 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 [2024-10-24 22:05:54,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-24 22:05:54,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 22:05:54,690 INFO L85 PathProgramCache]: Analyzing trace with hash -1363101046, now seen corresponding path program 1 times [2024-10-24 22:05:54,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-24 22:05:54,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1776167599] [2024-10-24 22:05:54,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 22:05:54,693 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 [2024-10-24 22:05:54,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-24 22:05:54,696 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) [2024-10-24 22:05:54,698 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 [2024-10-24 22:05:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:05:54,791 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-24 22:05:54,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-24 22:05:54,853 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-24 22:05:54,854 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-24 22:05:54,856 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-24 22:05:54,859 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-24 22:05:54,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-24 22:05:55,059 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 [2024-10-24 22:05:55,063 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-24 22:05:55,119 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 22:05:55,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 10:05:55 BoogieIcfgContainer [2024-10-24 22:05:55,127 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 22:05:55,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 22:05:55,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 22:05:55,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 22:05:55,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 10:05:54" (3/4) ... [2024-10-24 22:05:55,134 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-24 22:05:55,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 22:05:55,156 INFO L158 Benchmark]: Toolchain (without parser) took 2887.70ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 40.4MB in the beginning and 65.0MB in the end (delta: -24.6MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,157 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:05:55,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1173.57ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 35.5MB in the end (delta: 4.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,161 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.97ms. Allocated memory is still 77.6MB. Free memory was 35.5MB in the beginning and 32.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,161 INFO L158 Benchmark]: Boogie Preprocessor took 63.17ms. Allocated memory is still 77.6MB. Free memory was 32.3MB in the beginning and 29.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,164 INFO L158 Benchmark]: RCFGBuilder took 436.93ms. Allocated memory is still 77.6MB. Free memory was 29.6MB in the beginning and 33.9MB in the end (delta: -4.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,165 INFO L158 Benchmark]: TraceAbstraction took 1107.71ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 65.7MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 22:05:55,165 INFO L158 Benchmark]: Witness Printer took 25.89ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 65.0MB in the end (delta: 631.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 22:05:55,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 52.4MB. Free memory is still 27.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1173.57ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 40.2MB in the beginning and 35.5MB in the end (delta: 4.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.97ms. Allocated memory is still 77.6MB. Free memory was 35.5MB in the beginning and 32.3MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.17ms. Allocated memory is still 77.6MB. Free memory was 32.3MB in the beginning and 29.9MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 436.93ms. Allocated memory is still 77.6MB. Free memory was 29.6MB in the beginning and 33.9MB in the end (delta: -4.2MB). Peak memory consumption was 2.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1107.71ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 33.5MB in the beginning and 65.7MB in the end (delta: -32.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 25.89ms. Allocated memory is still 96.5MB. Free memory was 65.7MB in the beginning and 65.0MB in the end (delta: 631.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1576]: 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 1563. 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_68_badData; [L1549] int CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData; [L1550] int CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData; [L1563] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_rand_multiply_68_bad() [L1554] int data; [L1555] data = 0 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] 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_68_badData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] CWE190_Integer_Overflow__int_rand_multiply_68_badData = data [L1558] CALL CWE190_Integer_Overflow__int_rand_multiply_68b_badSink() [L1573] int data = CWE190_Integer_Overflow__int_rand_multiply_68_badData; VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1574] COND TRUE data > 0 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] data * 2 VAL [CWE190_Integer_Overflow__int_rand_multiply_68_badData=1073741825, CWE190_Integer_Overflow__int_rand_multiply_68_goodB2GData=0, CWE190_Integer_Overflow__int_rand_multiply_68_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1576]: 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, 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, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 48 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 [2024-10-24 22:05:55,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample