./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_postinc_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 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_postinc_64_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 354803763e88361af4d0c84b54dc23807424db2cebc3355219d7a8f4c40ab755 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:31:57,183 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:31:57,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 20:31:57,276 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:31:57,277 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:31:57,314 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:31:57,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:31:57,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:31:57,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:31:57,316 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:31:57,317 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:31:57,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:31:57,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:31:57,319 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:31:57,320 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:31:57,321 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:31:57,321 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:31:57,322 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 20:31:57,322 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:31:57,322 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:31:57,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:31:57,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:31:57,326 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:31:57,327 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:31:57,327 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:31:57,327 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:31:57,327 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:31:57,327 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:31:57,328 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:31:57,328 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:31:57,328 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:31:57,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:31:57,329 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:31:57,329 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:31:57,329 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:31:57,330 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 20:31:57,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 20:31:57,331 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:31:57,331 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:31:57,332 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:31:57,332 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:31:57,333 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 354803763e88361af4d0c84b54dc23807424db2cebc3355219d7a8f4c40ab755 [2024-11-20 20:31:57,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:31:57,646 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:31:57,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:31:57,651 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:31:57,651 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:31:57,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:31:59,153 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:31:59,504 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:31:59,505 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:31:59,532 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17553286b/810aba8c07c04447b4ce0f864d3afe64/FLAGa7d8ac5f3 [2024-11-20 20:31:59,721 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/17553286b/810aba8c07c04447b4ce0f864d3afe64 [2024-11-20 20:31:59,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:31:59,725 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:31:59,726 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:31:59,726 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:31:59,731 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:31:59,732 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:31:59" (1/1) ... [2024-11-20 20:31:59,735 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bde0ea3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:31:59, skipping insertion in model container [2024-11-20 20:31:59,735 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:31:59" (1/1) ... [2024-11-20 20:31:59,793 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:32:00,639 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:32:00,648 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:32:00,759 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:32:00,932 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:32:00,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00 WrapperNode [2024-11-20 20:32:00,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:32:00,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:32:00,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:32:00,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:32:00,942 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:00,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,019 INFO L138 Inliner]: procedures = 498, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 107 [2024-11-20 20:32:01,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:32:01,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:32:01,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:32:01,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:32:01,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,053 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-20 20:32:01,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,064 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,066 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,070 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,073 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:32:01,074 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:32:01,074 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:32:01,074 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:32:01,075 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (1/1) ... [2024-11-20 20:32:01,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:32:01,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:32:01,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 20:32:01,106 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 20:32:01,154 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:32:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:32:01,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 20:32:01,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 20:32:01,285 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:32:01,287 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:32:01,569 INFO L? ?]: Removed 63 outVars from TransFormulas that were not future-live. [2024-11-20 20:32:01,570 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:32:01,584 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:32:01,584 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:32:01,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:01 BoogieIcfgContainer [2024-11-20 20:32:01,585 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:32:01,588 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:32:01,589 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:32:01,592 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:32:01,593 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:31:59" (1/3) ... [2024-11-20 20:32:01,593 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d25ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:32:01, skipping insertion in model container [2024-11-20 20:32:01,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:00" (2/3) ... [2024-11-20 20:32:01,595 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20d25ab0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:32:01, skipping insertion in model container [2024-11-20 20:32:01,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:01" (3/3) ... [2024-11-20 20:32:01,597 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:32:01,614 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:32:01,615 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:32:01,687 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:32:01,695 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;@be8bb1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:32:01,695 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:32:01,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 20:32:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 20:32:01,708 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:32:01,710 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:32:01,710 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:32:01,716 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:32:01,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1664946168, now seen corresponding path program 1 times [2024-11-20 20:32:01,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:32:01,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396824336] [2024-11-20 20:32:01,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:32:01,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:32:01,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:32:02,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:32:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:32:02,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:32:02,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:32:02,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396824336] [2024-11-20 20:32:02,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396824336] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:32:02,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:32:02,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 20:32:02,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533971400] [2024-11-20 20:32:02,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:32:02,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 20:32:02,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:32:02,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 20:32:02,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 20:32:02,422 INFO L87 Difference]: Start difference. First operand has 42 states, 36 states have (on average 1.4444444444444444) internal successors, (52), 38 states have internal predecessors, (52), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) 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) [2024-11-20 20:32:02,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:32:02,456 INFO L93 Difference]: Finished difference Result 42 states and 56 transitions. [2024-11-20 20:32:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 20:32:02,459 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 [2024-11-20 20:32:02,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:32:02,466 INFO L225 Difference]: With dead ends: 42 [2024-11-20 20:32:02,466 INFO L226 Difference]: Without dead ends: 33 [2024-11-20 20:32:02,469 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 [2024-11-20 20:32:02,474 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:32:02,476 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:32:02,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-20 20:32:02,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-20 20:32:02,512 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) [2024-11-20 20:32:02,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-11-20 20:32:02,516 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-11-20 20:32:02,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:32:02,517 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-11-20 20:32:02,517 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) [2024-11-20 20:32:02,518 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-20 20:32:02,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 20:32:02,519 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:32:02,519 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:32:02,519 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 20:32:02,519 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:32:02,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:32:02,520 INFO L85 PathProgramCache]: Analyzing trace with hash 73723781, now seen corresponding path program 1 times [2024-11-20 20:32:02,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:32:02,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [194835937] [2024-11-20 20:32:02,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:32:02,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:32:02,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:32:02,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:32:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:32:02,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:32:02,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:32:02,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [194835937] [2024-11-20 20:32:02,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [194835937] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:32:02,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:32:02,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-20 20:32:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333686450] [2024-11-20 20:32:02,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:32:02,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 20:32:02,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:32:02,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 20:32:02,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-20 20:32:02,932 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) [2024-11-20 20:32:02,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:32:02,994 INFO L93 Difference]: Finished difference Result 38 states and 50 transitions. [2024-11-20 20:32:02,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 20:32:02,995 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 [2024-11-20 20:32:02,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:32:02,996 INFO L225 Difference]: With dead ends: 38 [2024-11-20 20:32:02,996 INFO L226 Difference]: Without dead ends: 33 [2024-11-20 20:32:02,997 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 [2024-11-20 20:32:02,998 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 20:32:02,998 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 178 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 20:32:02,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2024-11-20 20:32:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2024-11-20 20:32:03,002 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) [2024-11-20 20:32:03,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2024-11-20 20:32:03,003 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 44 transitions. Word has length 16 [2024-11-20 20:32:03,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:32:03,004 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 44 transitions. [2024-11-20 20:32:03,004 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) [2024-11-20 20:32:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 44 transitions. [2024-11-20 20:32:03,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-20 20:32:03,005 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:32:03,005 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:32:03,005 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 20:32:03,005 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:32:03,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:32:03,006 INFO L85 PathProgramCache]: Analyzing trace with hash 2076872683, now seen corresponding path program 1 times [2024-11-20 20:32:03,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:32:03,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804841441] [2024-11-20 20:32:03,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:32:03,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:32:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:32:03,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:32:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:32:03,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 20:32:03,080 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:32:03,082 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:32:03,087 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:32:03,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 20:32:03,091 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 20:32:03,122 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:32:03,125 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:32:03 BoogieIcfgContainer [2024-11-20 20:32:03,126 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:32:03,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:32:03,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:32:03,128 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:32:03,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:01" (3/4) ... [2024-11-20 20:32:03,132 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:32:03,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:32:03,135 INFO L158 Benchmark]: Toolchain (without parser) took 3409.85ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 97.6MB in the beginning and 116.1MB in the end (delta: -18.6MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-11-20 20:32:03,135 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:32:03,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1207.40ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 97.6MB in the beginning and 145.1MB in the end (delta: -47.5MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-20 20:32:03,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.21ms. Allocated memory is still 211.8MB. Free memory was 145.1MB in the beginning and 141.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:32:03,138 INFO L158 Benchmark]: Boogie Preprocessor took 52.29ms. Allocated memory is still 211.8MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:32:03,138 INFO L158 Benchmark]: RCFGBuilder took 511.59ms. Allocated memory is still 211.8MB. Free memory was 139.8MB in the beginning and 121.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-20 20:32:03,138 INFO L158 Benchmark]: TraceAbstraction took 1537.88ms. Allocated memory is still 211.8MB. Free memory was 119.9MB in the beginning and 117.2MB in the end (delta: 2.7MB). Peak memory consumption was 648.6kB. Max. memory is 16.1GB. [2024-11-20 20:32:03,139 INFO L158 Benchmark]: Witness Printer took 6.29ms. Allocated memory is still 211.8MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:32:03,145 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 119.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1207.40ms. Allocated memory was 159.4MB in the beginning and 211.8MB in the end (delta: 52.4MB). Free memory was 97.6MB in the beginning and 145.1MB in the end (delta: -47.5MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.21ms. Allocated memory is still 211.8MB. Free memory was 145.1MB in the beginning and 141.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.29ms. Allocated memory is still 211.8MB. Free memory was 141.9MB in the beginning and 139.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 511.59ms. Allocated memory is still 211.8MB. Free memory was 139.8MB in the beginning and 121.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1537.88ms. Allocated memory is still 211.8MB. Free memory was 119.9MB in the beginning and 117.2MB in the end (delta: 2.7MB). Peak memory consumption was 648.6kB. Max. memory is 16.1GB. * Witness Printer took 6.29ms. Allocated memory is still 211.8MB. Free memory was 117.2MB in the beginning and 116.1MB in the end (delta: 1.0MB). 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: 1569]: 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 1559. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, 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, 280 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 191 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 89 mSDtfsCounter, 52 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 0.8s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 63 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:32:03,168 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_postinc_64_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 354803763e88361af4d0c84b54dc23807424db2cebc3355219d7a8f4c40ab755 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:32:05,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:32:05,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-20 20:32:05,463 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:32:05,463 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:32:05,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-20 20:32:05,500 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:32:05,500 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:32:05,501 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:32:05,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:32:05,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:32:05,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:32:05,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:32:05,506 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:32:05,506 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:32:05,506 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:32:05,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:32:05,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:32:05,508 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:32:05,508 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:32:05,509 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:32:05,510 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:32:05,510 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 20:32:05,510 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 20:32:05,510 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:32:05,510 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:32:05,511 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 20:32:05,511 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:32:05,511 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:32:05,511 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:32:05,512 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:32:05,512 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:32:05,512 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:32:05,512 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:32:05,512 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:32:05,513 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:32:05,513 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:32:05,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:32:05,515 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 20:32:05,515 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 20:32:05,516 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:32:05,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:32:05,516 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:32:05,516 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:32:05,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 354803763e88361af4d0c84b54dc23807424db2cebc3355219d7a8f4c40ab755 [2024-11-20 20:32:05,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:32:05,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:32:05,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:32:05,855 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:32:05,855 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:32:05,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:32:07,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:32:07,873 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:32:07,874 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:32:07,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5db1c7dc/92cf8fe04eda4899a922964fbff439f1/FLAG485cd6367 [2024-11-20 20:32:08,045 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5db1c7dc/92cf8fe04eda4899a922964fbff439f1 [2024-11-20 20:32:08,048 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:32:08,050 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:32:08,053 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:32:08,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:32:08,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:32:08,060 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:32:08" (1/1) ... [2024-11-20 20:32:08,060 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508c814b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:08, skipping insertion in model container [2024-11-20 20:32:08,061 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:32:08" (1/1) ... [2024-11-20 20:32:08,125 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:32:08,913 WARN L1070 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-20 20:32:08,920 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:32:08,942 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:32:09,047 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:32:09,207 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:32:09,207 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09 WrapperNode [2024-11-20 20:32:09,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:32:09,208 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:32:09,208 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:32:09,208 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:32:09,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,244 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,272 INFO L138 Inliner]: procedures = 503, calls = 29, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-20 20:32:09,272 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:32:09,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:32:09,273 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:32:09,273 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:32:09,284 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,284 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,322 INFO L175 MemorySlicer]: Split 3 memory accesses to 1 slices as follows [3]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 2 writes are split as follows [2]. [2024-11-20 20:32:09,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,323 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,338 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,348 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:32:09,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:32:09,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:32:09,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:32:09,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (1/1) ... [2024-11-20 20:32:09,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:32:09,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:32:09,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 20:32:09,414 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 20:32:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:32:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:32:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 20:32:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:32:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:32:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:32:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-20 20:32:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 20:32:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-20 20:32:09,633 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:32:09,636 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:32:09,826 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-11-20 20:32:09,826 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:32:09,840 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:32:09,840 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:32:09,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:09 BoogieIcfgContainer [2024-11-20 20:32:09,841 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:32:09,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:32:09,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:32:09,846 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:32:09,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:32:08" (1/3) ... [2024-11-20 20:32:09,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bd5032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:32:09, skipping insertion in model container [2024-11-20 20:32:09,847 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:32:09" (2/3) ... [2024-11-20 20:32:09,847 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75bd5032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:32:09, skipping insertion in model container [2024-11-20 20:32:09,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:09" (3/3) ... [2024-11-20 20:32:09,849 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_postinc_64_bad.i [2024-11-20 20:32:09,864 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:32:09,865 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:32:09,923 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:32:09,930 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;@ab8a0c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:32:09,931 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:32:09,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-20 20:32:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-20 20:32:09,940 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:32:09,940 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:32:09,941 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:32:09,946 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:32:09,947 INFO L85 PathProgramCache]: Analyzing trace with hash 733378214, now seen corresponding path program 1 times [2024-11-20 20:32:09,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:32:09,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1780095672] [2024-11-20 20:32:09,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:32:09,962 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:32:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:32:09,966 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 20:32:09,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 20:32:10,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:32:10,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-20 20:32:10,214 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 20:32:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:32:10,235 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 20:32:10,236 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 20:32:10,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1780095672] [2024-11-20 20:32:10,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1780095672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:32:10,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:32:10,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 20:32:10,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752478725] [2024-11-20 20:32:10,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:32:10,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 20:32:10,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 20:32:10,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 20:32:10,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:32:10,269 INFO L87 Difference]: Start difference. First operand has 22 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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) [2024-11-20 20:32:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:32:10,285 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-20 20:32:10,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 20:32:10,287 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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 [2024-11-20 20:32:10,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:32:10,294 INFO L225 Difference]: With dead ends: 22 [2024-11-20 20:32:10,294 INFO L226 Difference]: Without dead ends: 13 [2024-11-20 20:32:10,297 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:32:10,301 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:32:10,304 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:32:10,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-20 20:32:10,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-20 20:32:10,336 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) [2024-11-20 20:32:10,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-20 20:32:10,339 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-20 20:32:10,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:32:10,339 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-20 20:32:10,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 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) [2024-11-20 20:32:10,340 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-20 20:32:10,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-20 20:32:10,340 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:32:10,341 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:32:10,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 20:32:10,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:32:10,542 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:32:10,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:32:10,543 INFO L85 PathProgramCache]: Analyzing trace with hash 1259888207, now seen corresponding path program 1 times [2024-11-20 20:32:10,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:32:10,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1259291486] [2024-11-20 20:32:10,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:32:10,544 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:32:10,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:32:10,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 20:32:10,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 20:32:10,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:32:10,665 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:32:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:32:10,747 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 20:32:10,747 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:32:10,749 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:32:10,751 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:32:10,759 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 [2024-11-20 20:32:10,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:32:10,959 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 20:32:10,992 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:32:10,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:32:10 BoogieIcfgContainer [2024-11-20 20:32:11,000 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:32:11,001 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:32:11,001 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:32:11,001 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:32:11,002 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:32:09" (3/4) ... [2024-11-20 20:32:11,004 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:32:11,005 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:32:11,006 INFO L158 Benchmark]: Toolchain (without parser) took 2956.13ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.2MB in the beginning and 60.8MB in the end (delta: -9.6MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,007 INFO L158 Benchmark]: CDTParser took 1.40ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:32:11,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1154.67ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.0MB in the beginning and 56.5MB in the end (delta: -5.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,008 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.20ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 53.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,008 INFO L158 Benchmark]: Boogie Preprocessor took 86.24ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 50.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,009 INFO L158 Benchmark]: RCFGBuilder took 480.96ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 58.4MB in the end (delta: -8.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,009 INFO L158 Benchmark]: TraceAbstraction took 1157.38ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 60.8MB in the end (delta: -3.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-11-20 20:32:11,010 INFO L158 Benchmark]: Witness Printer took 4.42ms. Allocated memory is still 92.3MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:32:11,012 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.40ms. Allocated memory is still 50.3MB. Free memory is still 25.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1154.67ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 51.0MB in the beginning and 56.5MB in the end (delta: -5.5MB). Peak memory consumption was 29.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.20ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 53.0MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.24ms. Allocated memory is still 92.3MB. Free memory was 53.0MB in the beginning and 50.2MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 480.96ms. Allocated memory is still 92.3MB. Free memory was 50.2MB in the beginning and 58.4MB in the end (delta: -8.2MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1157.38ms. Allocated memory is still 92.3MB. Free memory was 57.7MB in the beginning and 60.8MB in the end (delta: -3.1MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.42ms. Allocated memory is still 92.3MB. Free memory is still 60.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1569]: 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 1559. 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1559] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1560] CALL CWE190_Integer_Overflow__int_rand_postinc_64_bad() [L1551] int data; [L1552] data = 0 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1553] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1553] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1554] CALL CWE190_Integer_Overflow__int_rand_postinc_64b_badSink(&data) [L1566] int * dataPtr = (int *)dataVoidPtr; [L1567] EXPR \read(*dataPtr) [L1567] int data = (*dataPtr); [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 23 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 23 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 78 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:32:11,042 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