./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 023d838f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:00:31,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:00:31,598 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-10 21:00:31,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:00:31,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:00:31,626 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:00:31,627 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:00:31,627 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:00:31,628 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:00:31,628 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:00:31,629 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:00:31,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:00:31,630 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:00:31,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:00:31,631 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:00:31,631 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:00:31,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:00:31,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-10 21:00:31,634 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:00:31,634 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:00:31,634 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:00:31,635 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:00:31,635 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:00:31,635 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:00:31,636 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:00:31,636 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:00:31,636 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:00:31,636 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:00:31,636 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:00:31,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:00:31,637 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:00:31,637 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:00:31,637 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:00:31,638 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:00:31,639 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:00:31,639 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2024-11-10 21:00:31,861 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:00:31,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:00:31,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:00:31,887 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:00:31,888 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:00:31,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:33,139 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:00:33,394 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:00:33,395 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:33,417 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94e9f92c/895b007ea546415a8c25d140a1044b43/FLAG34dff832b [2024-11-10 21:00:33,701 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a94e9f92c/895b007ea546415a8c25d140a1044b43 [2024-11-10 21:00:33,703 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:00:33,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:00:33,705 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:00:33,705 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:00:33,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:00:33,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:33" (1/1) ... [2024-11-10 21:00:33,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7169c474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:33, skipping insertion in model container [2024-11-10 21:00:33,711 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:33" (1/1) ... [2024-11-10 21:00:33,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:00:34,267 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:00:34,275 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:00:34,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:00:34,454 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:00:34,454 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34 WrapperNode [2024-11-10 21:00:34,454 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:00:34,455 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:00:34,455 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:00:34,455 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:00:34,460 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,485 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,511 INFO L138 Inliner]: procedures = 498, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 119 [2024-11-10 21:00:34,514 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:00:34,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:00:34,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:00:34,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:00:34,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,524 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,541 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [3, 4, 2]. 44 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [1, 0, 1]. The 3 writes are split as follows [1, 2, 0]. [2024-11-10 21:00:34,542 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,542 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,549 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,550 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,551 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,552 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,554 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:00:34,555 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:00:34,555 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:00:34,555 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:00:34,555 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (1/1) ... [2024-11-10 21:00:34,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:00:34,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:00:34,587 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) [2024-11-10 21:00:34,594 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 [2024-11-10 21:00:34,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:00:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:00:34,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:00:34,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-10 21:00:34,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-10 21:00:34,811 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:00:34,813 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:00:34,990 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-10 21:00:34,991 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:00:35,019 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:00:35,019 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:00:35,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:35 BoogieIcfgContainer [2024-11-10 21:00:35,019 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:00:35,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:00:35,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:00:35,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:00:35,025 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:00:33" (1/3) ... [2024-11-10 21:00:35,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d8915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:00:35, skipping insertion in model container [2024-11-10 21:00:35,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:34" (2/3) ... [2024-11-10 21:00:35,026 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d8915 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:00:35, skipping insertion in model container [2024-11-10 21:00:35,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:35" (3/3) ... [2024-11-10 21:00:35,028 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:35,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:00:35,040 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:00:35,081 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:00:35,086 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;@4e236ad8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:00:35,086 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:00:35,089 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) [2024-11-10 21:00:35,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 21:00:35,094 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:00:35,095 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:00:35,095 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:00:35,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:00:35,099 INFO L85 PathProgramCache]: Analyzing trace with hash 332744671, now seen corresponding path program 1 times [2024-11-10 21:00:35,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:00:35,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452115331] [2024-11-10 21:00:35,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:00:35,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:00:35,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:00:35,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 21:00:35,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:00:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:00:35,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:00:35,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452115331] [2024-11-10 21:00:35,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452115331] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:00:35,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:00:35,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-10 21:00:35,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824229316] [2024-11-10 21:00:35,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:00:35,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-10 21:00:35,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:00:35,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-10 21:00:35,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:00:35,803 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 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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) [2024-11-10 21:00:35,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:00:35,883 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2024-11-10 21:00:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-10 21:00:35,885 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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 [2024-11-10 21:00:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:00:35,891 INFO L225 Difference]: With dead ends: 48 [2024-11-10 21:00:35,891 INFO L226 Difference]: Without dead ends: 38 [2024-11-10 21:00:35,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-10 21:00:35,895 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 35 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-10 21:00:35,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 163 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-10 21:00:35,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-10 21:00:35,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2024-11-10 21:00:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 34 states have internal predecessors, (48), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-10 21:00:35,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 50 transitions. [2024-11-10 21:00:35,924 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 50 transitions. Word has length 15 [2024-11-10 21:00:35,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:00:35,925 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 50 transitions. [2024-11-10 21:00:35,925 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 7 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) [2024-11-10 21:00:35,925 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-10 21:00:35,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-10 21:00:35,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:00:35,927 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:00:35,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-10 21:00:35,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:00:35,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:00:35,928 INFO L85 PathProgramCache]: Analyzing trace with hash 577530482, now seen corresponding path program 1 times [2024-11-10 21:00:35,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:00:35,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682169149] [2024-11-10 21:00:35,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:00:35,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:00:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:00:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-10 21:00:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:00:36,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:00:36,100 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-10 21:00:36,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682169149] [2024-11-10 21:00:36,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682169149] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:00:36,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:00:36,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-10 21:00:36,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785409781] [2024-11-10 21:00:36,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:00:36,102 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-10 21:00:36,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-10 21:00:36,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-10 21:00:36,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:00:36,103 INFO L87 Difference]: Start difference. First operand 37 states and 50 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-10 21:00:36,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:00:36,120 INFO L93 Difference]: Finished difference Result 37 states and 50 transitions. [2024-11-10 21:00:36,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-10 21:00:36,121 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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 [2024-11-10 21:00:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:00:36,121 INFO L225 Difference]: With dead ends: 37 [2024-11-10 21:00:36,121 INFO L226 Difference]: Without dead ends: 36 [2024-11-10 21:00:36,122 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-10 21:00:36,123 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 30 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-10 21:00:36,123 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 85 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-10 21:00:36,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2024-11-10 21:00:36,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 33. [2024-11-10 21:00:36,127 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) [2024-11-10 21:00:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 46 transitions. [2024-11-10 21:00:36,129 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 46 transitions. Word has length 15 [2024-11-10 21:00:36,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:00:36,129 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 46 transitions. [2024-11-10 21:00:36,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 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) [2024-11-10 21:00:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 46 transitions. [2024-11-10 21:00:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-10 21:00:36,130 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:00:36,130 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:00:36,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-10 21:00:36,130 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:00:36,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:00:36,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1725150190, now seen corresponding path program 1 times [2024-11-10 21:00:36,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-10 21:00:36,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396380139] [2024-11-10 21:00:36,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:00:36,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-10 21:00:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:00:36,162 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:00:36,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:00:36,196 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-10 21:00:36,197 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:00:36,198 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:00:36,200 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:00:36,200 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-10 21:00:36,203 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-10 21:00:36,226 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:00:36,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:00:36 BoogieIcfgContainer [2024-11-10 21:00:36,230 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:00:36,230 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:00:36,230 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:00:36,230 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:00:36,231 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:35" (3/4) ... [2024-11-10 21:00:36,233 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:00:36,251 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:00:36,251 INFO L158 Benchmark]: Toolchain (without parser) took 2547.08ms. Allocated memory was 186.6MB in the beginning and 226.5MB in the end (delta: 39.8MB). Free memory was 153.7MB in the beginning and 191.1MB in the end (delta: -37.3MB). Peak memory consumption was 100.0MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,254 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 109.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:00:36,254 INFO L158 Benchmark]: CACSL2BoogieTranslator took 749.53ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 87.7MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,254 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.70ms. Allocated memory is still 186.6MB. Free memory was 87.7MB in the beginning and 84.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,256 INFO L158 Benchmark]: Boogie Preprocessor took 39.76ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,256 INFO L158 Benchmark]: IcfgBuilder took 465.00ms. Allocated memory is still 186.6MB. Free memory was 81.4MB in the beginning and 137.1MB in the end (delta: -55.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,257 INFO L158 Benchmark]: TraceAbstraction took 1208.82ms. Allocated memory is still 186.6MB. Free memory was 136.0MB in the beginning and 60.4MB in the end (delta: 75.6MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,257 INFO L158 Benchmark]: Witness Printer took 20.75ms. Allocated memory was 186.6MB in the beginning and 226.5MB in the end (delta: 39.8MB). Free memory was 60.4MB in the beginning and 191.1MB in the end (delta: -130.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-10 21:00:36,258 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 109.1MB. Free memory is still 78.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 749.53ms. Allocated memory is still 186.6MB. Free memory was 152.7MB in the beginning and 87.7MB in the end (delta: 65.0MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.70ms. Allocated memory is still 186.6MB. Free memory was 87.7MB in the beginning and 84.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.76ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 81.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * IcfgBuilder took 465.00ms. Allocated memory is still 186.6MB. Free memory was 81.4MB in the beginning and 137.1MB in the end (delta: -55.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1208.82ms. Allocated memory is still 186.6MB. Free memory was 136.0MB in the beginning and 60.4MB in the end (delta: 75.6MB). Peak memory consumption was 75.6MB. Max. memory is 16.1GB. * Witness Printer took 20.75ms. Allocated memory was 186.6MB in the beginning and 226.5MB in the end (delta: 39.8MB). Free memory was 60.4MB in the beginning and 191.1MB in the end (delta: -130.6MB). Peak memory consumption was 8.8MB. 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, dataPtr1={6:0}, dataPtr2={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, dataPtr1={6:0}, dataPtr2={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, dataPtr1={6:0}, dataPtr2={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] data + 1 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: 1562]: 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: 1.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 65 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 248 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 168 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 80 mSDtfsCounter, 85 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred in iteration=0, InterpolantAutomatonStates: 11, 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 124 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 [2024-11-10 21:00:36,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_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 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-023d838-m [2024-11-10 21:00:38,040 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-10 21:00:38,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-10 21:00:38,111 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-10 21:00:38,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-10 21:00:38,112 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-10 21:00:38,133 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-10 21:00:38,134 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-10 21:00:38,134 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-10 21:00:38,135 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-10 21:00:38,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-10 21:00:38,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-10 21:00:38,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-10 21:00:38,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-10 21:00:38,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-10 21:00:38,138 INFO L153 SettingsManager]: * Use SBE=true [2024-11-10 21:00:38,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-10 21:00:38,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-10 21:00:38,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-10 21:00:38,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-10 21:00:38,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-10 21:00:38,140 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-10 21:00:38,140 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-10 21:00:38,140 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-10 21:00:38,140 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-10 21:00:38,141 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-10 21:00:38,141 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-10 21:00:38,141 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-10 21:00:38,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-10 21:00:38,141 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-10 21:00:38,142 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-10 21:00:38,142 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-10 21:00:38,142 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-10 21:00:38,142 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-10 21:00:38,143 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:00:38,143 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-10 21:00:38,143 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-10 21:00:38,143 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-10 21:00:38,144 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-10 21:00:38,144 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-10 21:00:38,144 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-10 21:00:38,145 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-10 21:00:38,146 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-10 21:00:38,146 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-10 21:00:38,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9c39b4e56e5890357d145f8e02b9f640c8710b20d764406d9293dca4f4078f2f [2024-11-10 21:00:38,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-10 21:00:38,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-10 21:00:38,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-10 21:00:38,407 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-10 21:00:38,413 INFO L274 PluginConnector]: CDTParser initialized [2024-11-10 21:00:38,414 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:39,681 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-10 21:00:39,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-10 21:00:39,929 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:39,949 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faaa78229/1472c513b116413a8d8b27a70408c705/FLAG68be96699 [2024-11-10 21:00:40,244 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/faaa78229/1472c513b116413a8d8b27a70408c705 [2024-11-10 21:00:40,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-10 21:00:40,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-10 21:00:40,248 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-10 21:00:40,248 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-10 21:00:40,252 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-10 21:00:40,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:40" (1/1) ... [2024-11-10 21:00:40,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@449bd6c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:40, skipping insertion in model container [2024-11-10 21:00:40,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 09:00:40" (1/1) ... [2024-11-10 21:00:40,317 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-10 21:00:40,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:00:40,921 INFO L200 MainTranslator]: Completed pre-run [2024-11-10 21:00:40,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-10 21:00:41,089 INFO L204 MainTranslator]: Completed translation [2024-11-10 21:00:41,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41 WrapperNode [2024-11-10 21:00:41,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-10 21:00:41,090 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-10 21:00:41,090 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-10 21:00:41,090 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-10 21:00:41,095 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,121 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,141 INFO L138 Inliner]: procedures = 503, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-10 21:00:41,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-10 21:00:41,142 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-10 21:00:41,142 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-10 21:00:41,142 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-10 21:00:41,149 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,152 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,164 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [4, 2, 3]. 44 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [0, 1, 1]. The 3 writes are split as follows [2, 0, 1]. [2024-11-10 21:00:41,165 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,165 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,171 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,188 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-10 21:00:41,191 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-10 21:00:41,191 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-10 21:00:41,192 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-10 21:00:41,192 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (1/1) ... [2024-11-10 21:00:41,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-10 21:00:41,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-10 21:00:41,217 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) [2024-11-10 21:00:41,219 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 [2024-11-10 21:00:41,249 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-10 21:00:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-10 21:00:41,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-10 21:00:41,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-10 21:00:41,368 INFO L256 CfgBuilder]: Building ICFG [2024-11-10 21:00:41,370 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-10 21:00:41,508 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-10 21:00:41,508 INFO L307 CfgBuilder]: Performing block encoding [2024-11-10 21:00:41,516 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-10 21:00:41,516 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-10 21:00:41,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:41 BoogieIcfgContainer [2024-11-10 21:00:41,516 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-10 21:00:41,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-10 21:00:41,520 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-10 21:00:41,524 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-10 21:00:41,524 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 09:00:40" (1/3) ... [2024-11-10 21:00:41,524 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcf2522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:00:41, skipping insertion in model container [2024-11-10 21:00:41,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 09:00:41" (2/3) ... [2024-11-10 21:00:41,525 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bcf2522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 09:00:41, skipping insertion in model container [2024-11-10 21:00:41,525 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:41" (3/3) ... [2024-11-10 21:00:41,526 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_add_32_bad.i [2024-11-10 21:00:41,538 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-10 21:00:41,538 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-10 21:00:41,588 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-10 21:00:41,593 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;@2385d476, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-10 21:00:41,593 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-10 21:00:41,595 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) [2024-11-10 21:00:41,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-10 21:00:41,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:00:41,601 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:00:41,601 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:00:41,605 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:00:41,606 INFO L85 PathProgramCache]: Analyzing trace with hash -1523077109, now seen corresponding path program 1 times [2024-11-10 21:00:41,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:00:41,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1468260708] [2024-11-10 21:00:41,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:00:41,617 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 [2024-11-10 21:00:41,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:00:41,619 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) [2024-11-10 21:00:41,620 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 [2024-11-10 21:00:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-10 21:00:41,768 INFO L255 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-10 21:00:41,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-10 21:00:41,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-10 21:00:41,790 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-10 21:00:41,790 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-10 21:00:41,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1468260708] [2024-11-10 21:00:41,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1468260708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-10 21:00:41,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-10 21:00:41,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-10 21:00:41,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559652723] [2024-11-10 21:00:41,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-10 21:00:41,796 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-10 21:00:41,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-10 21:00:41,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-10 21:00:41,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-10 21:00:41,814 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) [2024-11-10 21:00:41,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-10 21:00:41,824 INFO L93 Difference]: Finished difference Result 22 states and 24 transitions. [2024-11-10 21:00:41,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-10 21:00:41,825 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 [2024-11-10 21:00:41,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-10 21:00:41,829 INFO L225 Difference]: With dead ends: 22 [2024-11-10 21:00:41,829 INFO L226 Difference]: Without dead ends: 13 [2024-11-10 21:00:41,831 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 [2024-11-10 21:00:41,834 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 [2024-11-10 21:00:41,834 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] [2024-11-10 21:00:41,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-10 21:00:41,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-11-10 21:00:41,854 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) [2024-11-10 21:00:41,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 14 transitions. [2024-11-10 21:00:41,855 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 14 transitions. Word has length 11 [2024-11-10 21:00:41,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-10 21:00:41,855 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 14 transitions. [2024-11-10 21:00:41,856 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) [2024-11-10 21:00:41,856 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-10 21:00:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-10 21:00:41,856 INFO L207 NwaCegarLoop]: Found error trace [2024-11-10 21:00:41,856 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-10 21:00:41,865 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-10 21:00:42,057 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 [2024-11-10 21:00:42,057 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-10 21:00:42,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-10 21:00:42,065 INFO L85 PathProgramCache]: Analyzing trace with hash 29249858, now seen corresponding path program 1 times [2024-11-10 21:00:42,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-10 21:00:42,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1947620946] [2024-11-10 21:00:42,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-10 21:00:42,066 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 [2024-11-10 21:00:42,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-10 21:00:42,068 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) [2024-11-10 21:00:42,070 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 [2024-11-10 21:00:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:00:42,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-10 21:00:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-10 21:00:42,245 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-10 21:00:42,246 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-10 21:00:42,247 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-10 21:00:42,249 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-10 21:00:42,258 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-10 21:00:42,453 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 [2024-11-10 21:00:42,457 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-10 21:00:42,473 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-10 21:00:42,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 09:00:42 BoogieIcfgContainer [2024-11-10 21:00:42,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-10 21:00:42,475 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-10 21:00:42,475 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-10 21:00:42,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-10 21:00:42,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 10.11 09:00:41" (3/4) ... [2024-11-10 21:00:42,477 INFO L146 WitnessPrinter]: No result that supports witness generation found [2024-11-10 21:00:42,478 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-10 21:00:42,478 INFO L158 Benchmark]: Toolchain (without parser) took 2231.74ms. Allocated memory was 60.8MB in the beginning and 88.1MB in the end (delta: 27.3MB). Free memory was 25.8MB in the beginning and 43.9MB in the end (delta: -18.0MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2024-11-10 21:00:42,479 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 26.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:00:42,479 INFO L158 Benchmark]: CACSL2BoogieTranslator took 841.28ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 25.7MB in the beginning and 33.2MB in the end (delta: -7.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. [2024-11-10 21:00:42,479 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.74ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 30.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-10 21:00:42,480 INFO L158 Benchmark]: Boogie Preprocessor took 48.69ms. Allocated memory is still 73.4MB. Free memory was 30.1MB in the beginning and 45.1MB in the end (delta: -15.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-10 21:00:42,480 INFO L158 Benchmark]: IcfgBuilder took 325.02ms. Allocated memory is still 73.4MB. Free memory was 45.1MB in the beginning and 28.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-10 21:00:42,480 INFO L158 Benchmark]: TraceAbstraction took 954.27ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 44.4MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:00:42,485 INFO L158 Benchmark]: Witness Printer took 2.90ms. Allocated memory is still 88.1MB. Free memory was 44.4MB in the beginning and 43.9MB in the end (delta: 518.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-10 21:00:42,486 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory is still 26.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 841.28ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 25.7MB in the beginning and 33.2MB in the end (delta: -7.5MB). Peak memory consumption was 14.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.74ms. Allocated memory is still 73.4MB. Free memory was 33.2MB in the beginning and 30.1MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.69ms. Allocated memory is still 73.4MB. Free memory was 30.1MB in the beginning and 45.1MB in the end (delta: -15.0MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * IcfgBuilder took 325.02ms. Allocated memory is still 73.4MB. Free memory was 45.1MB in the beginning and 28.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 954.27ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 27.5MB in the beginning and 44.4MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.90ms. Allocated memory is still 88.1MB. Free memory was 44.4MB in the beginning and 43.9MB in the end (delta: 518.4kB). 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1570. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_rand_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] int data = *dataPtr1; [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1556] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={3:0}, dataPtr1={7:0}, dataPtr2={7:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1557] EXPR \read(data) [L1557] *dataPtr1 = data [L1555] int data = *dataPtr1; [L1560] int data = *dataPtr2; [L1560] EXPR \read(*dataPtr2) [L1560] int data = *dataPtr2; [L1562] EXPR \read(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] [L1562] data + 1 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: 1562]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, 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, 101 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 [2024-11-10 21:00:42,525 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