./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_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 33539beb771428b6667687b21772680f3da56c944c514bdf160872cbdab38f4e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:33:51,589 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:33:51,639 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-20 20:33:51,643 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:33:51,645 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:33:51,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:33:51,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:33:51,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:33:51,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:33:51,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:33:51,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:33:51,670 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:33:51,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:33:51,671 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:33:51,671 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:33:51,671 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:33:51,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:33:51,672 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 20:33:51,672 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:33:51,673 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:33:51,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:33:51,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:33:51,674 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:33:51,674 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:33:51,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:33:51,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:33:51,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:33:51,675 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:33:51,675 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:33:51,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:33:51,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:33:51,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:33:51,676 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:33:51,676 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:33:51,676 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:33:51,677 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 20:33:51,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 20:33:51,677 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:33:51,677 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:33:51,677 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:33:51,678 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:33:51,678 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33539beb771428b6667687b21772680f3da56c944c514bdf160872cbdab38f4e [2024-11-20 20:33:51,900 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:33:51,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:33:51,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:33:51,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:33:51,925 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:33:51,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:33:53,267 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:33:53,593 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:33:53,593 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:33:53,621 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf642b4aa/efe43f4e63f04e4284a5888c05862819/FLAGb87acb86f [2024-11-20 20:33:53,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf642b4aa/efe43f4e63f04e4284a5888c05862819 [2024-11-20 20:33:53,638 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:33:53,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:33:53,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:33:53,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:33:53,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:33:53,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:33:53" (1/1) ... [2024-11-20 20:33:53,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e96be9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:53, skipping insertion in model container [2024-11-20 20:33:53,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:33:53" (1/1) ... [2024-11-20 20:33:53,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:33:54,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:33:54,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:33:54,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:33:54,934 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:33:54,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54 WrapperNode [2024-11-20 20:33:54,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:33:54,935 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:33:54,936 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:33:54,936 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:33:54,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:54,964 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:54,999 INFO L138 Inliner]: procedures = 935, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 106 [2024-11-20 20:33:54,999 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:33:55,000 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:33:55,000 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:33:55,000 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:33:55,010 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,022 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 20:33:55,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,023 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,027 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,029 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,030 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,031 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:33:55,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:33:55,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:33:55,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:33:55,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (1/1) ... [2024-11-20 20:33:55,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:33:55,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:33:55,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 20:33:55,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 20:33:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:33:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:33:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:33:55,104 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:33:55,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:33:55,105 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-20 20:33:55,105 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-20 20:33:55,206 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:33:55,208 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:33:55,416 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-20 20:33:55,416 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:33:55,428 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:33:55,429 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:33:55,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:55 BoogieIcfgContainer [2024-11-20 20:33:55,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:33:55,431 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:33:55,431 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:33:55,444 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:33:55,444 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:33:53" (1/3) ... [2024-11-20 20:33:55,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e552658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:33:55, skipping insertion in model container [2024-11-20 20:33:55,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:33:54" (2/3) ... [2024-11-20 20:33:55,445 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e552658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:33:55, skipping insertion in model container [2024-11-20 20:33:55,445 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:55" (3/3) ... [2024-11-20 20:33:55,446 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:33:55,461 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:33:55,461 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:33:55,513 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:33:55,518 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;@efdf9f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:33:55,518 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:33:55,522 INFO L276 IsEmpty]: Start isEmpty. Operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 20:33:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 20:33:55,528 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:33:55,530 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:33:55,531 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:33:55,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:33:55,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1648115636, now seen corresponding path program 1 times [2024-11-20 20:33:55,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:33:55,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246559607] [2024-11-20 20:33:55,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:33:55,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:33:55,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:33:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 20:33:55,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 20:33:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-20 20:33:55,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:33:55,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246559607] [2024-11-20 20:33:55,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246559607] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:33:55,781 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:33:55,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-20 20:33:55,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717422379] [2024-11-20 20:33:55,783 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:33:55,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 20:33:55,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:33:55,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 20:33:55,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:33:55,808 INFO L87 Difference]: Start difference. First operand has 50 states, 41 states have (on average 1.4390243902439024) internal successors, (59), 43 states have internal predecessors, (59), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 20:33:55,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:33:55,821 INFO L93 Difference]: Finished difference Result 50 states and 67 transitions. [2024-11-20 20:33:55,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 20:33:55,823 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2024-11-20 20:33:55,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:33:55,829 INFO L225 Difference]: With dead ends: 50 [2024-11-20 20:33:55,829 INFO L226 Difference]: Without dead ends: 42 [2024-11-20 20:33:55,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 20:33:55,834 INFO L432 NwaCegarLoop]: 66 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, 66 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:33:55,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:33:55,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-20 20:33:55,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-20 20:33:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 36 states have internal predecessors, (51), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 20:33:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2024-11-20 20:33:55,865 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 21 [2024-11-20 20:33:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:33:55,866 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2024-11-20 20:33:55,866 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-20 20:33:55,867 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2024-11-20 20:33:55,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-20 20:33:55,868 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:33:55,868 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:33:55,868 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 20:33:55,868 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:33:55,869 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:33:55,869 INFO L85 PathProgramCache]: Analyzing trace with hash -448022698, now seen corresponding path program 1 times [2024-11-20 20:33:55,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:33:55,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44247102] [2024-11-20 20:33:55,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:33:55,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:33:55,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-20 20:33:55,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-20 20:33:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:55,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-20 20:33:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:56,003 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-20 20:33:56,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 20:33:56,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44247102] [2024-11-20 20:33:56,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44247102] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 20:33:56,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51108084] [2024-11-20 20:33:56,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:33:56,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 20:33:56,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:33:56,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 20:33:56,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 20:33:56,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:33:56,069 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 20:33:56,073 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 20:33:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:33:56,121 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 20:33:56,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51108084] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:33:56,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 20:33:56,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-20 20:33:56,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343377373] [2024-11-20 20:33:56,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:33:56,122 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 20:33:56,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 20:33:56,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 20:33:56,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 20:33:56,124 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 20:33:56,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:33:56,139 INFO L93 Difference]: Finished difference Result 51 states and 65 transitions. [2024-11-20 20:33:56,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 20:33:56,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2024-11-20 20:33:56,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:33:56,142 INFO L225 Difference]: With dead ends: 51 [2024-11-20 20:33:56,142 INFO L226 Difference]: Without dead ends: 42 [2024-11-20 20:33:56,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 20:33:56,144 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 0 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 158 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:33:56,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 158 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:33:56,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-11-20 20:33:56,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-11-20 20:33:56,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 36 states have (on average 1.3888888888888888) internal successors, (50), 36 states have internal predecessors, (50), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 20:33:56,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2024-11-20 20:33:56,151 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 22 [2024-11-20 20:33:56,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:33:56,151 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2024-11-20 20:33:56,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 20:33:56,151 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2024-11-20 20:33:56,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 20:33:56,152 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:33:56,152 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:33:56,158 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 20:33:56,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 20:33:56,353 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:33:56,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:33:56,353 INFO L85 PathProgramCache]: Analyzing trace with hash 323868019, now seen corresponding path program 1 times [2024-11-20 20:33:56,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 20:33:56,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448942219] [2024-11-20 20:33:56,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:33:56,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 20:33:56,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-20 20:33:56,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [489549256] [2024-11-20 20:33:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:33:56,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 20:33:56,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:33:56,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-20 20:33:56,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 20:33:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:33:56,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:33:56,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:33:56,510 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-20 20:33:56,510 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:33:56,511 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:33:56,517 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:33:56,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-20 20:33:56,718 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-11-20 20:33:56,721 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-20 20:33:56,748 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:33:56,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:33:56 BoogieIcfgContainer [2024-11-20 20:33:56,753 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:33:56,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:33:56,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:33:56,754 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:33:56,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:33:55" (3/4) ... [2024-11-20 20:33:56,757 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:33:56,758 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:33:56,759 INFO L158 Benchmark]: Toolchain (without parser) took 3119.01ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 139.7MB in the beginning and 187.5MB in the end (delta: -47.8MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-11-20 20:33:56,759 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:33:56,762 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1293.54ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 139.1MB in the beginning and 178.7MB in the end (delta: -39.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. [2024-11-20 20:33:56,762 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.83ms. Allocated memory is still 295.7MB. Free memory was 177.6MB in the beginning and 174.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:33:56,762 INFO L158 Benchmark]: Boogie Preprocessor took 33.58ms. Allocated memory is still 295.7MB. Free memory was 174.5MB in the beginning and 172.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-20 20:33:56,762 INFO L158 Benchmark]: RCFGBuilder took 395.30ms. Allocated memory is still 295.7MB. Free memory was 171.3MB in the beginning and 153.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-20 20:33:56,763 INFO L158 Benchmark]: TraceAbstraction took 1322.07ms. Allocated memory is still 295.7MB. Free memory was 153.5MB in the beginning and 187.5MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:33:56,763 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 295.7MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:33:56,768 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 176.2MB. Free memory is still 147.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1293.54ms. Allocated memory was 176.2MB in the beginning and 295.7MB in the end (delta: 119.5MB). Free memory was 139.1MB in the beginning and 178.7MB in the end (delta: -39.6MB). Peak memory consumption was 89.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.83ms. Allocated memory is still 295.7MB. Free memory was 177.6MB in the beginning and 174.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.58ms. Allocated memory is still 295.7MB. Free memory was 174.5MB in the beginning and 172.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 395.30ms. Allocated memory is still 295.7MB. Free memory was 171.3MB in the beginning and 153.5MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1322.07ms. Allocated memory is still 295.7MB. Free memory was 153.5MB in the beginning and 187.5MB in the end (delta: -34.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 295.7MB. Free memory is still 187.5MB. 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: 1843]: 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 1851. 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] [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_11_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalReturnsTrue() [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] EXPR ((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] 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=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] COND TRUE globalReturnsTrue() [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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 3 procedures, 50 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 224 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 104 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 120 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 37 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 78 SizeOfPredicates, 0 NumberOfNonLiveVariables, 85 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 7/9 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:33:56,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_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 33539beb771428b6667687b21772680f3da56c944c514bdf160872cbdab38f4e --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 20:33:58,623 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 20:33:58,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-20 20:33:58,695 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 20:33:58,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 20:33:58,696 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-20 20:33:58,723 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 20:33:58,725 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 20:33:58,725 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 20:33:58,725 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 20:33:58,726 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 20:33:58,726 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 20:33:58,726 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 20:33:58,727 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 20:33:58,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 20:33:58,728 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 20:33:58,728 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 20:33:58,730 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 20:33:58,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 20:33:58,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 20:33:58,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 20:33:58,731 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 20:33:58,732 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-20 20:33:58,732 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-20 20:33:58,732 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 20:33:58,732 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 20:33:58,732 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-20 20:33:58,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 20:33:58,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 20:33:58,733 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 20:33:58,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 20:33:58,733 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 20:33:58,734 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 20:33:58,734 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 20:33:58,734 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:33:58,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 20:33:58,734 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 20:33:58,735 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 20:33:58,735 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-20 20:33:58,735 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-20 20:33:58,739 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 20:33:58,739 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 20:33:58,739 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 20:33:58,739 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 20:33:58,739 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 33539beb771428b6667687b21772680f3da56c944c514bdf160872cbdab38f4e [2024-11-20 20:33:59,019 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 20:33:59,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 20:33:59,040 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 20:33:59,041 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 20:33:59,041 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 20:33:59,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:34:00,336 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 20:34:00,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 20:34:00,627 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:34:00,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79f9c25a/8511e792012a4efdae87c4607acab9e0/FLAG1cda9050b [2024-11-20 20:34:00,665 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c79f9c25a/8511e792012a4efdae87c4607acab9e0 [2024-11-20 20:34:00,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 20:34:00,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 20:34:00,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 20:34:00,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 20:34:00,674 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 20:34:00,674 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:34:00" (1/1) ... [2024-11-20 20:34:00,675 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6afad837 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:00, skipping insertion in model container [2024-11-20 20:34:00,675 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 08:34:00" (1/1) ... [2024-11-20 20:34:00,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 20:34:01,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:34:01,591 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 20:34:01,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 20:34:01,937 INFO L204 MainTranslator]: Completed translation [2024-11-20 20:34:01,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01 WrapperNode [2024-11-20 20:34:01,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 20:34:01,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 20:34:01,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 20:34:01,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 20:34:01,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:01,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,000 INFO L138 Inliner]: procedures = 940, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-20 20:34:02,000 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 20:34:02,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 20:34:02,001 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 20:34:02,001 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 20:34:02,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,010 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,012 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,019 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-20 20:34:02,020 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,020 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 20:34:02,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 20:34:02,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 20:34:02,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 20:34:02,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (1/1) ... [2024-11-20 20:34:02,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 20:34:02,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 20:34:02,069 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 20:34:02,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 20:34:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 20:34:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 20:34:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 20:34:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-20 20:34:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-20 20:34:02,108 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrue [2024-11-20 20:34:02,108 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrue [2024-11-20 20:34:02,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 20:34:02,230 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 20:34:04,135 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-20 20:34:04,136 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 20:34:04,147 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 20:34:04,147 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-20 20:34:04,147 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:34:04 BoogieIcfgContainer [2024-11-20 20:34:04,148 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 20:34:04,149 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 20:34:04,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 20:34:04,151 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 20:34:04,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 08:34:00" (1/3) ... [2024-11-20 20:34:04,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c58398f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:34:04, skipping insertion in model container [2024-11-20 20:34:04,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 08:34:01" (2/3) ... [2024-11-20 20:34:04,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c58398f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 08:34:04, skipping insertion in model container [2024-11-20 20:34:04,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:34:04" (3/3) ... [2024-11-20 20:34:04,154 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_rand_square_11_bad.i [2024-11-20 20:34:04,168 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 20:34:04,169 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-20 20:34:04,228 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 20:34:04,234 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;@5ad44cd5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 20:34:04,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-20 20:34:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-20 20:34:04,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-20 20:34:04,244 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:34:04,245 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:34:04,245 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:34:04,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:34:04,253 INFO L85 PathProgramCache]: Analyzing trace with hash -894708504, now seen corresponding path program 1 times [2024-11-20 20:34:04,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:34:04,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [425028383] [2024-11-20 20:34:04,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:34:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:34:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:34:04,270 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 20:34:04,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-20 20:34:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 20:34:04,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 20:34:04,390 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 20:34:04,456 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 20:34:04,456 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 20:34:04,458 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-20 20:34:04,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [425028383] [2024-11-20 20:34:04,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [425028383] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 20:34:04,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 20:34:04,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 20:34:04,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103956174] [2024-11-20 20:34:04,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 20:34:04,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 20:34:04,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-20 20:34:04,499 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 20:34:04,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 20:34:04,502 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 21 states have internal predecessors, (25), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 20:34:04,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 20:34:04,526 INFO L93 Difference]: Finished difference Result 48 states and 54 transitions. [2024-11-20 20:34:04,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 20:34:04,530 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 19 [2024-11-20 20:34:04,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 20:34:04,536 INFO L225 Difference]: With dead ends: 48 [2024-11-20 20:34:04,537 INFO L226 Difference]: Without dead ends: 21 [2024-11-20 20:34:04,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-20 20:34:04,544 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 20:34:04,545 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 20:34:04,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2024-11-20 20:34:04,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2024-11-20 20:34:04,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-20 20:34:04,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2024-11-20 20:34:04,572 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 23 transitions. Word has length 19 [2024-11-20 20:34:04,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 20:34:04,573 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 23 transitions. [2024-11-20 20:34:04,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (3), 2 states have call predecessors, (3), 3 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-20 20:34:04,574 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2024-11-20 20:34:04,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-20 20:34:04,575 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 20:34:04,575 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 20:34:04,579 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-20 20:34:04,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:34:04,776 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-20 20:34:04,776 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 20:34:04,776 INFO L85 PathProgramCache]: Analyzing trace with hash 2082070403, now seen corresponding path program 1 times [2024-11-20 20:34:04,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-20 20:34:04,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [360099694] [2024-11-20 20:34:04,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 20:34:04,777 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:34:04,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-20 20:34:04,780 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-20 20:34:04,781 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-20 20:34:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:34:04,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-20 20:34:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-20 20:34:04,968 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-20 20:34:04,969 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-20 20:34:04,970 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-20 20:34:04,973 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-20 20:34:04,980 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 [2024-11-20 20:34:05,174 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-20 20:34:05,177 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-20 20:34:05,235 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-20 20:34:05,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 08:34:05 BoogieIcfgContainer [2024-11-20 20:34:05,240 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-20 20:34:05,241 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-20 20:34:05,241 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-20 20:34:05,241 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-20 20:34:05,242 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 08:34:04" (3/4) ... [2024-11-20 20:34:05,245 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-20 20:34:05,246 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-20 20:34:05,247 INFO L158 Benchmark]: Toolchain (without parser) took 4578.17ms. Allocated memory was 62.9MB in the beginning and 96.5MB in the end (delta: 33.6MB). Free memory was 36.1MB in the beginning and 62.0MB in the end (delta: -25.9MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,247 INFO L158 Benchmark]: CDTParser took 0.92ms. Allocated memory is still 44.0MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:34:05,248 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1267.84ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 87.3kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,248 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.57ms. Allocated memory is still 77.6MB. Free memory was 35.7MB in the beginning and 31.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,248 INFO L158 Benchmark]: Boogie Preprocessor took 32.18ms. Allocated memory is still 77.6MB. Free memory was 31.5MB in the beginning and 28.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,249 INFO L158 Benchmark]: RCFGBuilder took 2113.68ms. Allocated memory is still 77.6MB. Free memory was 28.8MB in the beginning and 36.7MB in the end (delta: -7.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,249 INFO L158 Benchmark]: TraceAbstraction took 1091.74ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 62.4MB in the end (delta: -26.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2024-11-20 20:34:05,249 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 62.0MB in the end (delta: 361.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-20 20:34:05,251 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.92ms. Allocated memory is still 44.0MB. Free memory is still 20.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1267.84ms. Allocated memory was 62.9MB in the beginning and 77.6MB in the end (delta: 14.7MB). Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 87.3kB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.57ms. Allocated memory is still 77.6MB. Free memory was 35.7MB in the beginning and 31.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.18ms. Allocated memory is still 77.6MB. Free memory was 31.5MB in the beginning and 28.8MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2113.68ms. Allocated memory is still 77.6MB. Free memory was 28.8MB in the beginning and 36.7MB in the end (delta: -7.9MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1091.74ms. Allocated memory was 77.6MB in the beginning and 96.5MB in the end (delta: 18.9MB). Free memory was 36.2MB in the beginning and 62.4MB in the end (delta: -26.2MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 62.0MB in the end (delta: 361.5kB). 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: 1843]: 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 1851. 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] [L1851] 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) [L1851] 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] [L1852] CALL CWE190_Integer_Overflow__int_rand_square_11_bad() [L1834] int data; [L1835] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1836] COND TRUE globalReturnsTrue() [L1838] EXPR rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1 [L1838] 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=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1838] data = ((int)(rand() & 1 ? (((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) : -(((unsigned)rand()<<30) ^ ((unsigned)rand()<<15) ^ rand()) - 1)) [L1840] CALL globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1512] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] RET globalReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1840] COND TRUE globalReturnsTrue() [L1843] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1843]: 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 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 57 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 5 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, 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, 0.1s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 49 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-20 20:34:05,276 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample