./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_postinc_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 ae0d197aa069fcfc8e2917e95998325f2a00940fded6fef6f6a003a0ab738d52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:10:47,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:10:47,821 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-10-11 22:10:47,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:10:47,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:10:47,851 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:10:47,853 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:10:47,853 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:10:47,854 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:10:47,855 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:10:47,855 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:10:47,855 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:10:47,856 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:10:47,856 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:10:47,856 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:10:47,858 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:10:47,858 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:10:47,858 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 22:10:47,859 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:10:47,859 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:10:47,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:10:47,862 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:10:47,862 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:10:47,862 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:10:47,862 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:10:47,863 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:10:47,863 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:10:47,863 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:10:47,863 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:10:47,863 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:10:47,864 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:10:47,864 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:10:47,864 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:10:47,864 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:10:47,864 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:10:47,864 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 22:10:47,865 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 22:10:47,865 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:10:47,865 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:10:47,865 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:10:47,865 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:10:47,866 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae0d197aa069fcfc8e2917e95998325f2a00940fded6fef6f6a003a0ab738d52 [2024-10-11 22:10:48,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:10:48,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:10:48,147 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:10:48,148 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:10:48,148 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:10:48,149 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:49,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:10:49,787 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:10:49,787 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:49,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ec0cca707/7408d9285b8242fab1f90408762e8fda/FLAG0b0624c57 [2024-10-11 22:10:49,822 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/ec0cca707/7408d9285b8242fab1f90408762e8fda [2024-10-11 22:10:49,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:10:49,825 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:10:49,826 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:10:49,826 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:10:49,830 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:10:49,830 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:10:49" (1/1) ... [2024-10-11 22:10:49,832 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cab336a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:49, skipping insertion in model container [2024-10-11 22:10:49,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:10:49" (1/1) ... [2024-10-11 22:10:49,883 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:10:50,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:10:50,521 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 22:10:50,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:10:50,722 INFO L204 MainTranslator]: Completed translation [2024-10-11 22:10:50,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50 WrapperNode [2024-10-11 22:10:50,723 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 22:10:50,724 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 22:10:50,724 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 22:10:50,724 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 22:10:50,730 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,748 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,768 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 47 [2024-10-11 22:10:50,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 22:10:50,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 22:10:50,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 22:10:50,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 22:10:50,778 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,780 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,788 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 22:10:50,788 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,788 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,792 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 22:10:50,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 22:10:50,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 22:10:50,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 22:10:50,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (1/1) ... [2024-10-11 22:10:50,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:10:50,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:10:50,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 22:10:50,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 22:10:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 22:10:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 22:10:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 22:10:50,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 22:10:50,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 22:10:51,005 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 22:10:51,007 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 22:10:51,092 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-11 22:10:51,092 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 22:10:51,123 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 22:10:51,123 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 22:10:51,123 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:51 BoogieIcfgContainer [2024-10-11 22:10:51,123 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 22:10:51,125 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 22:10:51,126 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 22:10:51,129 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 22:10:51,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:10:49" (1/3) ... [2024-10-11 22:10:51,129 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61191f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:10:51, skipping insertion in model container [2024-10-11 22:10:51,129 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:50" (2/3) ... [2024-10-11 22:10:51,130 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61191f6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:10:51, skipping insertion in model container [2024-10-11 22:10:51,130 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:51" (3/3) ... [2024-10-11 22:10:51,131 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:51,144 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 22:10:51,144 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 22:10:51,186 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 22:10:51,191 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;@23bbafdb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 22:10:51,192 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 22:10:51,200 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) [2024-10-11 22:10:51,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 22:10:51,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:10:51,206 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:10:51,206 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 22:10:51,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:10:51,210 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-11 22:10:51,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:10:51,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227212707] [2024-10-11 22:10:51,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:10:51,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:10:51,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:10:51,370 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:10:51,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:10:51,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:10:51,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:10:51,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227212707] [2024-10-11 22:10:51,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227212707] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:10:51,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:10:51,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:10:51,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608537828] [2024-10-11 22:10:51,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:10:51,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 22:10:51,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:10:51,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 22:10:51,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 22:10:51,443 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, 2 states have (on average 4.0) 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) [2024-10-11 22:10:51,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:10:51,493 INFO L93 Difference]: Finished difference Result 30 states and 34 transitions. [2024-10-11 22:10:51,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 22:10:51,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) 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 [2024-10-11 22:10:51,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:10:51,499 INFO L225 Difference]: With dead ends: 30 [2024-10-11 22:10:51,500 INFO L226 Difference]: Without dead ends: 13 [2024-10-11 22:10:51,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 22:10:51,504 INFO L432 NwaCegarLoop]: 15 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, 15 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 [2024-10-11 22:10:51,509 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 15 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:10:51,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-10-11 22:10:51,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2024-10-11 22:10:51,531 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) [2024-10-11 22:10:51,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2024-10-11 22:10:51,533 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2024-10-11 22:10:51,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:10:51,533 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2024-10-11 22:10:51,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) 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) [2024-10-11 22:10:51,534 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2024-10-11 22:10:51,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 22:10:51,534 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:10:51,534 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:10:51,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 22:10:51,535 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 22:10:51,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:10:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1013508190, now seen corresponding path program 1 times [2024-10-11 22:10:51,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:10:51,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939663010] [2024-10-11 22:10:51,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:10:51,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:10:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:10:51,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-11 22:10:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:10:51,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:10:51,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 22:10:51,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939663010] [2024-10-11 22:10:51,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939663010] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:10:51,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:10:51,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 22:10:51,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481340126] [2024-10-11 22:10:51,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:10:51,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 22:10:51,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 22:10:51,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 22:10:51,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:10:51,696 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-11 22:10:51,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:10:51,712 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2024-10-11 22:10:51,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 22:10:51,713 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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 [2024-10-11 22:10:51,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:10:51,714 INFO L225 Difference]: With dead ends: 13 [2024-10-11 22:10:51,714 INFO L226 Difference]: Without dead ends: 12 [2024-10-11 22:10:51,714 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 22:10:51,715 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 22:10:51,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:10:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-11 22:10:51,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-11 22:10:51,720 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) [2024-10-11 22:10:51,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-11 22:10:51,720 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-10-11 22:10:51,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:10:51,721 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-11 22:10:51,721 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 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) [2024-10-11 22:10:51,721 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-11 22:10:51,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 22:10:51,722 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:10:51,722 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:10:51,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 22:10:51,722 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 22:10:51,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:10:51,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-11 22:10:51,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 22:10:51,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630397099] [2024-10-11 22:10:51,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:10:51,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 22:10:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 22:10:51,747 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 22:10:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 22:10:51,771 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-11 22:10:51,773 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 22:10:51,773 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 22:10:51,775 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 22:10:51,775 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 22:10:51,777 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-10-11 22:10:51,790 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 22:10:51,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:10:51 BoogieIcfgContainer [2024-10-11 22:10:51,792 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 22:10:51,792 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 22:10:51,793 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 22:10:51,793 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 22:10:51,793 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:51" (3/4) ... [2024-10-11 22:10:51,795 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 22:10:51,796 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 22:10:51,797 INFO L158 Benchmark]: Toolchain (without parser) took 1971.77ms. Allocated memory is still 260.0MB. Free memory was 186.4MB in the beginning and 199.4MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:51,797 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:51,797 INFO L158 Benchmark]: CACSL2BoogieTranslator took 897.38ms. Allocated memory is still 260.0MB. Free memory was 186.1MB in the beginning and 200.3MB in the end (delta: -14.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-10-11 22:10:51,798 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.86ms. Allocated memory is still 260.0MB. Free memory was 200.3MB in the beginning and 198.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:10:51,798 INFO L158 Benchmark]: Boogie Preprocessor took 25.77ms. Allocated memory is still 260.0MB. Free memory was 198.2MB in the beginning and 196.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:10:51,798 INFO L158 Benchmark]: RCFGBuilder took 328.21ms. Allocated memory is still 260.0MB. Free memory was 196.1MB in the beginning and 182.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 22:10:51,799 INFO L158 Benchmark]: TraceAbstraction took 667.31ms. Allocated memory is still 260.0MB. Free memory was 181.4MB in the beginning and 199.4MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:51,799 INFO L158 Benchmark]: Witness Printer took 3.81ms. Allocated memory is still 260.0MB. Free memory is still 199.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:51,801 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 132.1MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 897.38ms. Allocated memory is still 260.0MB. Free memory was 186.1MB in the beginning and 200.3MB in the end (delta: -14.1MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.86ms. Allocated memory is still 260.0MB. Free memory was 200.3MB in the beginning and 198.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.77ms. Allocated memory is still 260.0MB. Free memory was 198.2MB in the beginning and 196.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 328.21ms. Allocated memory is still 260.0MB. Free memory was 196.1MB in the beginning and 182.4MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 667.31ms. Allocated memory is still 260.0MB. Free memory was 181.4MB in the beginning and 199.4MB in the end (delta: -18.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.81ms. Allocated memory is still 260.0MB. Free memory is still 199.4MB. 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_postinc_02_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] [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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: 0.6s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 36 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 7 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, 26 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 [2024-10-11 22:10:51,842 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 ae0d197aa069fcfc8e2917e95998325f2a00940fded6fef6f6a003a0ab738d52 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 22:10:53,863 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 22:10:53,933 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-10-11 22:10:53,945 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 22:10:53,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 22:10:53,946 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-10-11 22:10:53,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 22:10:53,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 22:10:53,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 22:10:53,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 22:10:53,986 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 22:10:53,986 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 22:10:53,986 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 22:10:53,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 22:10:53,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 22:10:53,987 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 22:10:53,987 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 22:10:53,987 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 22:10:53,988 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 22:10:53,988 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 22:10:53,988 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 22:10:53,996 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 22:10:53,996 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-11 22:10:53,996 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 22:10:53,997 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 22:10:53,998 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:10:53,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 22:10:53,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 22:10:53,999 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 22:10:54,000 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-10-11 22:10:54,000 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae0d197aa069fcfc8e2917e95998325f2a00940fded6fef6f6a003a0ab738d52 [2024-10-11 22:10:54,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 22:10:54,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 22:10:54,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 22:10:54,346 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 22:10:54,346 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 22:10:54,348 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:55,795 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 22:10:56,081 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 22:10:56,081 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:56,105 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3fc9944c5/c05c573184a642a1977818354e35f4c4/FLAG970ad9529 [2024-10-11 22:10:56,360 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/3fc9944c5/c05c573184a642a1977818354e35f4c4 [2024-10-11 22:10:56,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 22:10:56,363 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 22:10:56,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 22:10:56,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 22:10:56,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 22:10:56,370 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:10:56" (1/1) ... [2024-10-11 22:10:56,371 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@170301b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:56, skipping insertion in model container [2024-10-11 22:10:56,372 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 10:10:56" (1/1) ... [2024-10-11 22:10:56,422 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 22:10:57,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:10:57,046 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 22:10:57,126 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 22:10:57,225 INFO L204 MainTranslator]: Completed translation [2024-10-11 22:10:57,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57 WrapperNode [2024-10-11 22:10:57,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 22:10:57,227 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 22:10:57,227 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 22:10:57,227 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 22:10:57,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,272 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2024-10-11 22:10:57,273 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 22:10:57,273 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 22:10:57,274 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 22:10:57,274 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 22:10:57,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,288 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,303 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-11 22:10:57,303 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,304 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,308 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,309 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,311 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,311 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,314 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 22:10:57,314 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 22:10:57,315 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 22:10:57,315 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 22:10:57,315 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (1/1) ... [2024-10-11 22:10:57,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 22:10:57,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 22:10:57,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 22:10:57,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 22:10:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-10-11 22:10:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-10-11 22:10:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 22:10:57,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 22:10:57,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 22:10:57,522 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 22:10:57,524 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 22:10:57,599 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-10-11 22:10:57,599 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 22:10:57,630 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 22:10:57,630 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-11 22:10:57,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:57 BoogieIcfgContainer [2024-10-11 22:10:57,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 22:10:57,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 22:10:57,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 22:10:57,634 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 22:10:57,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 10:10:56" (1/3) ... [2024-10-11 22:10:57,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329571e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:10:57, skipping insertion in model container [2024-10-11 22:10:57,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 10:10:57" (2/3) ... [2024-10-11 22:10:57,635 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329571e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 10:10:57, skipping insertion in model container [2024-10-11 22:10:57,636 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:57" (3/3) ... [2024-10-11 22:10:57,641 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_02_bad.i [2024-10-11 22:10:57,654 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 22:10:57,654 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-10-11 22:10:57,715 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 22:10:57,722 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;@2c0e7a92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 22:10:57,725 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-10-11 22:10:57,729 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) [2024-10-11 22:10:57,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-11 22:10:57,736 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:10:57,736 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:10:57,737 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 22:10:57,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:10:57,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1013506268, now seen corresponding path program 1 times [2024-10-11 22:10:57,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:10:57,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927663424] [2024-10-11 22:10:57,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:10:57,757 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 [2024-10-11 22:10:57,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:10:57,760 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/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) [2024-10-11 22:10:57,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:10:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 22:10:57,845 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-10-11 22:10:57,849 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 22:10:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-11 22:10:57,868 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-11 22:10:57,869 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-10-11 22:10:57,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927663424] [2024-10-11 22:10:57,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927663424] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 22:10:57,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 22:10:57,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 22:10:57,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5247970] [2024-10-11 22:10:57,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 22:10:57,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 22:10:57,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-10-11 22:10:57,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 22:10:57,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 22:10:57,927 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, 2 states have (on average 4.0) 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) [2024-10-11 22:10:57,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 22:10:57,966 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2024-10-11 22:10:57,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 22:10:57,968 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) 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 [2024-10-11 22:10:57,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 22:10:57,980 INFO L225 Difference]: With dead ends: 29 [2024-10-11 22:10:57,981 INFO L226 Difference]: Without dead ends: 12 [2024-10-11 22:10:57,983 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 [2024-10-11 22:10:57,991 INFO L432 NwaCegarLoop]: 14 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, 14 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 [2024-10-11 22:10:57,992 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 22:10:58,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2024-10-11 22:10:58,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2024-10-11 22:10:58,015 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) [2024-10-11 22:10:58,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-10-11 22:10:58,016 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2024-10-11 22:10:58,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 22:10:58,017 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-10-11 22:10:58,017 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) 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) [2024-10-11 22:10:58,017 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-10-11 22:10:58,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-10-11 22:10:58,017 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 22:10:58,017 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 22:10:58,021 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:10:58,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-clean/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 [2024-10-11 22:10:58,221 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-11 22:10:58,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 22:10:58,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1353982763, now seen corresponding path program 1 times [2024-10-11 22:10:58,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-10-11 22:10:58,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807095245] [2024-10-11 22:10:58,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 22:10:58,223 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 [2024-10-11 22:10:58,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat [2024-10-11 22:10:58,225 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/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) [2024-10-11 22:10:58,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/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 [2024-10-11 22:10:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 22:10:58,299 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-11 22:10:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-11 22:10:58,335 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-10-11 22:10:58,335 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-10-11 22:10:58,337 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-10-11 22:10:58,338 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-10-11 22:10:58,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-10-11 22:10:58,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-clean/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 [2024-10-11 22:10:58,542 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-10-11 22:10:58,562 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-11 22:10:58,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 10:10:58 BoogieIcfgContainer [2024-10-11 22:10:58,565 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-11 22:10:58,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-11 22:10:58,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-11 22:10:58,566 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-11 22:10:58,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 10:10:57" (3/4) ... [2024-10-11 22:10:58,567 INFO L142 WitnessPrinter]: No result that supports witness generation found [2024-10-11 22:10:58,568 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-11 22:10:58,569 INFO L158 Benchmark]: Toolchain (without parser) took 2205.94ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 72.9MB in the end (delta: -1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:58,569 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:58,569 INFO L158 Benchmark]: CACSL2BoogieTranslator took 860.99ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 77.6MB in the end (delta: -6.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2024-10-11 22:10:58,570 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.23ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 74.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-11 22:10:58,570 INFO L158 Benchmark]: Boogie Preprocessor took 40.40ms. Allocated memory is still 115.3MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-11 22:10:58,570 INFO L158 Benchmark]: RCFGBuilder took 316.46ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 57.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-11 22:10:58,571 INFO L158 Benchmark]: TraceAbstraction took 932.80ms. Allocated memory is still 115.3MB. Free memory was 56.6MB in the beginning and 73.7MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:58,571 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 72.9MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-11 22:10:58,573 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 62.9MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 860.99ms. Allocated memory is still 115.3MB. Free memory was 71.0MB in the beginning and 77.6MB in the end (delta: -6.6MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.23ms. Allocated memory is still 115.3MB. Free memory was 77.6MB in the beginning and 74.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.40ms. Allocated memory is still 115.3MB. Free memory was 74.8MB in the beginning and 72.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 316.46ms. Allocated memory is still 115.3MB. Free memory was 72.0MB in the beginning and 57.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 932.80ms. Allocated memory is still 115.3MB. Free memory was 56.6MB in the beginning and 73.7MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 72.9MB in the end (delta: 799.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 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 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE190_Integer_Overflow__int_fscanf_postinc_02_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] [L1559] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 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: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 14 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 14 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 SizeOfPredicates, 0 NumberOfNonLiveVariables, 33 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-10-11 22:10:58,594 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample