./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_fscanf_add_13_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 61a67961 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_fscanf_add_13_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 fe1d2a99370816f7ae701d726916b3e1e84a05899861e22f3820052f71e55211 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:06:08,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:06:08,486 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-14 22:06:08,490 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:06:08,491 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:06:08,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:06:08,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:06:08,539 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:06:08,541 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:06:08,542 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:06:08,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:06:08,543 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:06:08,544 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:06:08,544 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:06:08,547 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:06:08,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:06:08,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:06:08,548 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 22:06:08,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:06:08,549 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:06:08,549 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:06:08,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:06:08,554 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:06:08,554 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:06:08,554 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:06:08,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:06:08,555 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:06:08,555 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:06:08,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:06:08,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:06:08,556 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:06:08,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:06:08,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:06:08,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:06:08,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:06:08,558 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 22:06:08,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 22:06:08,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:06:08,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:06:08,560 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:06:08,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:06:08,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe1d2a99370816f7ae701d726916b3e1e84a05899861e22f3820052f71e55211 [2024-10-14 22:06:08,822 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:06:08,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:06:08,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:06:08,850 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:06:08,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:06:08,852 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:10,355 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:06:10,718 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:06:10,718 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:10,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6bc0fbb/9281d5f7c82d4124ad761e67a247df3f/FLAG6fbfaf7cf [2024-10-14 22:06:10,938 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae6bc0fbb/9281d5f7c82d4124ad761e67a247df3f [2024-10-14 22:06:10,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:06:10,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:06:10,943 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:06:10,944 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:06:10,949 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:06:10,950 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:06:10" (1/1) ... [2024-10-14 22:06:10,950 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7804b824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:10, skipping insertion in model container [2024-10-14 22:06:10,951 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:06:10" (1/1) ... [2024-10-14 22:06:11,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:06:11,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:06:11,705 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:06:11,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:06:11,960 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:06:11,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11 WrapperNode [2024-10-14 22:06:11,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:06:11,962 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:06:11,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:06:11,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:06:11,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:11,996 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,030 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-10-14 22:06:12,031 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:06:12,032 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:06:12,032 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:06:12,032 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:06:12,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,043 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,053 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:06:12,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,060 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:06:12,069 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:06:12,070 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:06:12,070 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:06:12,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (1/1) ... [2024-10-14 22:06:12,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:06:12,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:06:12,105 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 22:06:12,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 22:06:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:06:12,147 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:06:12,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:06:12,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:06:12,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:06:12,262 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:06:12,263 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:06:12,337 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-14 22:06:12,337 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:06:12,361 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:06:12,361 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:06:12,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:12 BoogieIcfgContainer [2024-10-14 22:06:12,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:06:12,364 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:06:12,364 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:06:12,367 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:06:12,367 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:06:10" (1/3) ... [2024-10-14 22:06:12,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b08d91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:06:12, skipping insertion in model container [2024-10-14 22:06:12,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:11" (2/3) ... [2024-10-14 22:06:12,368 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b08d91a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:06:12, skipping insertion in model container [2024-10-14 22:06:12,368 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:12" (3/3) ... [2024-10-14 22:06:12,370 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:12,385 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:06:12,385 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:06:12,459 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:06:12,472 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;@22740365, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:06:12,472 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:06:12,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 22:06:12,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 22:06:12,485 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:12,485 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:12,486 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:12,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:12,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-14 22:06:12,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:06:12,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292905013] [2024-10-14 22:06:12,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:12,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:06:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:12,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:06:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:12,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:06:12,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:06:12,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292905013] [2024-10-14 22:06:12,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292905013] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:06:12,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:06:12,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:06:12,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554706422] [2024-10-14 22:06:12,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:06:12,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:06:12,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:06:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:06:12,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:12,811 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:12,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:06:12,841 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-10-14 22:06:12,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:06:12,844 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-14 22:06:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:06:12,849 INFO L225 Difference]: With dead ends: 30 [2024-10-14 22:06:12,849 INFO L226 Difference]: Without dead ends: 13 [2024-10-14 22:06:12,851 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:12,854 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:06:12,855 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 13 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:06:12,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-14 22:06:12,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-14 22:06:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 10 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:12,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-14 22:06:12,886 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2024-10-14 22:06:12,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:06:12,886 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-14 22:06:12,887 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:12,887 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-14 22:06:12,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 22:06:12,888 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:12,888 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:12,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 22:06:12,889 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:12,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:12,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2024-10-14 22:06:12,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:06:12,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443697896] [2024-10-14 22:06:12,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:12,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:06:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:12,999 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-14 22:06:13,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:13,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:06:13,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 22:06:13,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443697896] [2024-10-14 22:06:13,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443697896] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:06:13,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:06:13,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 22:06:13,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752295115] [2024-10-14 22:06:13,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:06:13,016 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:06:13,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 22:06:13,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:06:13,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:13,018 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:13,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:06:13,037 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2024-10-14 22:06:13,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:06:13,038 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-14 22:06:13,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:06:13,039 INFO L225 Difference]: With dead ends: 13 [2024-10-14 22:06:13,039 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 22:06:13,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:13,040 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 1 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:06:13,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 15 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:06:13,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 22:06:13,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-14 22:06:13,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-14 22:06:13,047 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-10-14 22:06:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:06:13,048 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-14 22:06:13,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-14 22:06:13,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 22:06:13,048 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:13,049 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:13,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 22:06:13,049 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:13,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:13,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-14 22:06:13,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 22:06:13,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802021326] [2024-10-14 22:06:13,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:13,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 22:06:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:06:13,068 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:06:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:06:13,107 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-14 22:06:13,110 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:06:13,111 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:06:13,113 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:06:13,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 22:06:13,118 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 22:06:13,145 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:06:13,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:06:13 BoogieIcfgContainer [2024-10-14 22:06:13,150 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:06:13,152 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:06:13,152 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:06:13,152 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:06:13,152 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:12" (3/4) ... [2024-10-14 22:06:13,155 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:06:13,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:06:13,157 INFO L158 Benchmark]: Toolchain (without parser) took 2214.33ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 127.3MB in the beginning and 159.8MB in the end (delta: -32.4MB). Peak memory consumption was 42.4MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,158 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:06:13,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1018.22ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 127.0MB in the beginning and 217.4MB in the end (delta: -90.4MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.69ms. Allocated memory is still 253.8MB. Free memory was 217.4MB in the beginning and 214.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,162 INFO L158 Benchmark]: Boogie Preprocessor took 35.93ms. Allocated memory is still 253.8MB. Free memory was 214.3MB in the beginning and 213.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,163 INFO L158 Benchmark]: RCFGBuilder took 292.30ms. Allocated memory is still 253.8MB. Free memory was 213.2MB in the beginning and 199.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,163 INFO L158 Benchmark]: TraceAbstraction took 786.28ms. Allocated memory is still 253.8MB. Free memory was 198.6MB in the beginning and 159.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,163 INFO L158 Benchmark]: Witness Printer took 4.40ms. Allocated memory is still 253.8MB. Free memory was 159.8MB in the beginning and 159.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:13,166 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 182.5MB. Free memory is still 149.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1018.22ms. Allocated memory was 182.5MB in the beginning and 253.8MB in the end (delta: 71.3MB). Free memory was 127.0MB in the beginning and 217.4MB in the end (delta: -90.4MB). Peak memory consumption was 80.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.69ms. Allocated memory is still 253.8MB. Free memory was 217.4MB in the beginning and 214.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.93ms. Allocated memory is still 253.8MB. Free memory was 214.3MB in the beginning and 213.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 292.30ms. Allocated memory is still 253.8MB. Free memory was 213.2MB in the beginning and 199.6MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 786.28ms. Allocated memory is still 253.8MB. Free memory was 198.6MB in the beginning and 159.8MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * Witness Printer took 4.40ms. Allocated memory is still 253.8MB. Free memory was 159.8MB in the beginning and 159.8MB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_fscanf_add_13_bad() [L1550] int data; [L1551] 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] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 22 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 22:06:13,199 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_fscanf_add_13_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 fe1d2a99370816f7ae701d726916b3e1e84a05899861e22f3820052f71e55211 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 22:06:15,420 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 22:06:15,502 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-14 22:06:15,508 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 22:06:15,509 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 22:06:15,510 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-14 22:06:15,540 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 22:06:15,541 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 22:06:15,542 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 22:06:15,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 22:06:15,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 22:06:15,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 22:06:15,546 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 22:06:15,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 22:06:15,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 22:06:15,547 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 22:06:15,547 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 22:06:15,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 22:06:15,548 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 22:06:15,548 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 22:06:15,548 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 22:06:15,551 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 22:06:15,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-14 22:06:15,552 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-14 22:06:15,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 22:06:15,552 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-14 22:06:15,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-14 22:06:15,553 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-14 22:06:15,553 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 22:06:15,554 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 22:06:15,554 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 22:06:15,555 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 22:06:15,555 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 22:06:15,555 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 22:06:15,556 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:06:15,556 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 22:06:15,556 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 22:06:15,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 22:06:15,557 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-14 22:06:15,557 INFO L153 SettingsManager]: * Command for external solver=cvc5 --incremental --print-success --lang smt [2024-10-14 22:06:15,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 22:06:15,558 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 22:06:15,558 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 22:06:15,558 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 22:06:15,558 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-14 22:06:15,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe1d2a99370816f7ae701d726916b3e1e84a05899861e22f3820052f71e55211 [2024-10-14 22:06:15,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 22:06:15,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 22:06:15,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 22:06:15,936 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 22:06:15,937 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 22:06:15,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:17,472 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 22:06:17,854 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 22:06:17,855 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:17,877 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6d470bd/bd0d51fdb1774f08989ce890a0078e08/FLAG82fca0364 [2024-10-14 22:06:17,895 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b6d470bd/bd0d51fdb1774f08989ce890a0078e08 [2024-10-14 22:06:17,898 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 22:06:17,899 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 22:06:17,903 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 22:06:17,903 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 22:06:17,908 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 22:06:17,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:06:17" (1/1) ... [2024-10-14 22:06:17,911 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68db4c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:17, skipping insertion in model container [2024-10-14 22:06:17,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 10:06:17" (1/1) ... [2024-10-14 22:06:17,974 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 22:06:18,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:06:18,713 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 22:06:18,826 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 22:06:18,999 INFO L204 MainTranslator]: Completed translation [2024-10-14 22:06:19,000 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19 WrapperNode [2024-10-14 22:06:19,000 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 22:06:19,001 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 22:06:19,001 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 22:06:19,001 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 22:06:19,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,043 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,075 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-10-14 22:06:19,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 22:06:19,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 22:06:19,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 22:06:19,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 22:06:19,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,092 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,101 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-14 22:06:19,101 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,107 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,108 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,109 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 22:06:19,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 22:06:19,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 22:06:19,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 22:06:19,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (1/1) ... [2024-10-14 22:06:19,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 22:06:19,135 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 22:06:19,150 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 22:06:19,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 22:06:19,191 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-14 22:06:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-14 22:06:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 22:06:19,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 22:06:19,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 22:06:19,380 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 22:06:19,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 22:06:19,498 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-14 22:06:19,499 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 22:06:19,547 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 22:06:19,548 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-14 22:06:19,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:19 BoogieIcfgContainer [2024-10-14 22:06:19,549 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 22:06:19,551 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 22:06:19,551 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 22:06:19,555 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 22:06:19,555 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 10:06:17" (1/3) ... [2024-10-14 22:06:19,556 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710674af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:06:19, skipping insertion in model container [2024-10-14 22:06:19,557 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 10:06:19" (2/3) ... [2024-10-14 22:06:19,558 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710674af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 10:06:19, skipping insertion in model container [2024-10-14 22:06:19,558 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:19" (3/3) ... [2024-10-14 22:06:19,559 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_13_bad.i [2024-10-14 22:06:19,577 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 22:06:19,578 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-14 22:06:19,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 22:06:19,654 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;@3e068ce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 22:06:19,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-14 22:06:19,659 INFO L276 IsEmpty]: Start isEmpty. Operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-14 22:06:19,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-14 22:06:19,669 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:19,669 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:19,670 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:19,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-14 22:06:19,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:06:19,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1737824068] [2024-10-14 22:06:19,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:19,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:19,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:06:19,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:06:19,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-10-14 22:06:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:19,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-14 22:06:19,806 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:06:19,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:06:19,834 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:06:19,835 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:06:19,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1737824068] [2024-10-14 22:06:19,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1737824068] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:06:19,837 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:06:19,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-14 22:06:19,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641342373] [2024-10-14 22:06:19,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:06:19,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 22:06:19,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:06:19,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 22:06:19,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:06:19,868 INFO L87 Difference]: Start difference. First operand has 17 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:19,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:06:19,892 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2024-10-14 22:06:19,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 22:06:19,895 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2024-10-14 22:06:19,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:06:19,902 INFO L225 Difference]: With dead ends: 17 [2024-10-14 22:06:19,902 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 22:06:19,905 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 22:06:19,909 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:06:19,910 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:06:19,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 22:06:19,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-14 22:06:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 13 transitions. [2024-10-14 22:06:19,942 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 13 transitions. Word has length 10 [2024-10-14 22:06:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:06:19,943 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 13 transitions. [2024-10-14 22:06:19,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:19,944 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-10-14 22:06:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 22:06:19,945 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:19,946 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:19,952 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-10-14 22:06:20,149 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:20,150 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:20,151 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:20,151 INFO L85 PathProgramCache]: Analyzing trace with hash -1353923181, now seen corresponding path program 1 times [2024-10-14 22:06:20,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:06:20,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1027735302] [2024-10-14 22:06:20,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:20,152 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:20,152 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:06:20,155 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:06:20,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-10-14 22:06:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 22:06:20,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-14 22:06:20,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-14 22:06:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-14 22:06:20,268 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-14 22:06:20,268 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-14 22:06:20,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1027735302] [2024-10-14 22:06:20,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1027735302] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 22:06:20,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 22:06:20,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 22:06:20,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [161910779] [2024-10-14 22:06:20,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 22:06:20,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 22:06:20,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-14 22:06:20,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 22:06:20,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:20,272 INFO L87 Difference]: Start difference. First operand 12 states and 13 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:20,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 22:06:20,285 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2024-10-14 22:06:20,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 22:06:20,286 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-10-14 22:06:20,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 22:06:20,287 INFO L225 Difference]: With dead ends: 16 [2024-10-14 22:06:20,287 INFO L226 Difference]: Without dead ends: 12 [2024-10-14 22:06:20,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 22:06:20,288 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 22:06:20,289 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 22:06:20,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-14 22:06:20,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-14 22:06:20,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 9 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:20,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-14 22:06:20,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 11 [2024-10-14 22:06:20,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 22:06:20,294 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-14 22:06:20,295 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-10-14 22:06:20,295 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-14 22:06:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-14 22:06:20,295 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 22:06:20,295 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 22:06:20,301 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-10-14 22:06:20,500 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:20,501 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-14 22:06:20,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 22:06:20,501 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-14 22:06:20,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-14 22:06:20,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1174560518] [2024-10-14 22:06:20,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 22:06:20,503 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:20,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-14 22:06:20,506 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-10-14 22:06:20,508 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 (4)] Waiting until timeout for monitored process [2024-10-14 22:06:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:06:20,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-14 22:06:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-14 22:06:20,621 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-14 22:06:20,622 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-14 22:06:20,625 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-14 22:06:20,627 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-14 22:06:20,632 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 (4)] Ended with exit code 0 [2024-10-14 22:06:20,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-10-14 22:06:20,831 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-14 22:06:20,849 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-14 22:06:20,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.10 10:06:20 BoogieIcfgContainer [2024-10-14 22:06:20,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-14 22:06:20,852 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-14 22:06:20,853 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-14 22:06:20,853 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-14 22:06:20,853 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 10:06:19" (3/4) ... [2024-10-14 22:06:20,855 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-14 22:06:20,858 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-14 22:06:20,859 INFO L158 Benchmark]: Toolchain (without parser) took 2959.55ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 48.1MB in the beginning and 59.7MB in the end (delta: -11.6MB). Peak memory consumption was 19.0MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,859 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:06:20,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1097.57ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 34.6MB in the end (delta: 13.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.51ms. Allocated memory is still 73.4MB. Free memory was 34.6MB in the beginning and 31.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,861 INFO L158 Benchmark]: Boogie Preprocessor took 35.79ms. Allocated memory is still 73.4MB. Free memory was 31.5MB in the beginning and 29.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,861 INFO L158 Benchmark]: RCFGBuilder took 437.06ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 29.0MB in the beginning and 63.3MB in the end (delta: -34.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,861 INFO L158 Benchmark]: TraceAbstraction took 1300.67ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2024-10-14 22:06:20,862 INFO L158 Benchmark]: Witness Printer took 6.00ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-14 22:06:20,867 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 54.5MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1097.57ms. Allocated memory is still 73.4MB. Free memory was 47.9MB in the beginning and 34.6MB in the end (delta: 13.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.51ms. Allocated memory is still 73.4MB. Free memory was 34.6MB in the beginning and 31.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.79ms. Allocated memory is still 73.4MB. Free memory was 31.5MB in the beginning and 29.0MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.06ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 29.0MB in the beginning and 63.3MB in the end (delta: -34.3MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1300.67ms. Allocated memory is still 102.8MB. Free memory was 62.7MB in the beginning and 59.7MB in the end (delta: 2.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 6.00ms. Allocated memory is still 102.8MB. Free memory is still 59.7MB. 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: 1559]: 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 1567. 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); [L1567] 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) [L1567] 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] [L1568] CALL CWE190_Integer_Overflow__int_fscanf_add_13_bad() [L1550] int data; [L1551] 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] [L1552] COND TRUE GLOBAL_CONST_FIVE==5 [L1556] COND TRUE GLOBAL_CONST_FIVE==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 67 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-14 22:06:20,900 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample