./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4f9af400 extending candidate: java ['java'] extending candidate: /usr/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/oracle-jdk-bin-*/bin/java ['java', '/usr/bin/java'] extending candidate: /opt/openjdk-*/bin/java ['java', '/usr/bin/java'] extending candidate: /usr/lib/jvm/java-*-openjdk-amd64/bin/java ['java', '/usr/bin/java', '/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java', '/usr/lib/jvm/java-17-openjdk-amd64/bin/java', '/usr/lib/jvm/java-11-openjdk-amd64/bin/java', '/usr/lib/jvm/java-1.17.0-openjdk-amd64/bin/java'] ['/root/.sdkman/candidates/java/21.0.5-tem/bin/java', '-Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config', '-Xmx15G', '-Xms4m', '-jar', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar', '-data', '@noDefault', '-ultimatedata', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data', '-tc', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml', '-i', '../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i', '-s', '/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf', '--cacsl2boogietranslator.entry.function', 'main', '--witnessprinter.witness.directory', '/storage/repos/ultimate-jdk21/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) )\n\n', '--witnessprinter.graph.data.producer', 'Automizer', '--witnessprinter.graph.data.architecture', '64bit', '--witnessprinter.graph.data.programhash', '31c0caf532094049a5f77ca1ce5e09321384ec3a45e3bf6bb2c739b1795a0752'] Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 31c0caf532094049a5f77ca1ce5e09321384ec3a45e3bf6bb2c739b1795a0752 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:56:07,410 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:56:07,490 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 21:56:07,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:56:07,493 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:56:07,514 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:56:07,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:56:07,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:56:07,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:56:07,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:56:07,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:56:07,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:56:07,515 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:56:07,515 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:56:07,515 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:56:07,516 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:56:07,516 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:56:07,517 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:56:07,517 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:56:07,517 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 31c0caf532094049a5f77ca1ce5e09321384ec3a45e3bf6bb2c739b1795a0752 [2024-11-07 21:56:07,726 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:56:07,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:56:07,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:56:07,735 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:56:07,735 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:56:07,735 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:08,796 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:56:09,076 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:56:09,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:09,099 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b5bc61af/1ac1b3b9b9b24540a82abc2b5394f715/FLAGa53f92040 [2024-11-07 21:56:09,367 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/1b5bc61af/1ac1b3b9b9b24540a82abc2b5394f715 [2024-11-07 21:56:09,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:56:09,370 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:56:09,371 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:56:09,371 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:56:09,374 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:56:09,375 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:09" (1/1) ... [2024-11-07 21:56:09,375 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6257e751 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:09, skipping insertion in model container [2024-11-07 21:56:09,375 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:09" (1/1) ... [2024-11-07 21:56:09,413 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:56:10,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:56:10,159 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:56:10,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:56:10,374 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:56:10,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10 WrapperNode [2024-11-07 21:56:10,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:56:10,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:56:10,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:56:10,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:56:10,379 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,402 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,422 INFO L138 Inliner]: procedures = 937, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 52 [2024-11-07 21:56:10,423 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:56:10,423 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:56:10,423 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:56:10,423 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:56:10,429 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,433 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,441 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 21:56:10,441 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,441 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,447 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,448 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,449 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,449 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:56:10,450 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:56:10,451 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:56:10,451 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:56:10,451 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (1/1) ... [2024-11-07 21:56:10,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:56:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:56:10,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 21:56:10,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 21:56:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:56:10,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:56:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:56:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-07 21:56:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-07 21:56:10,493 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:56:10,493 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:56:10,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:56:10,584 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:56:10,639 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-07 21:56:10,639 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:56:10,645 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:56:10,645 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:56:10,645 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:10 BoogieIcfgContainer [2024-11-07 21:56:10,645 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:56:10,647 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:56:10,647 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:56:10,650 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:56:10,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:56:09" (1/3) ... [2024-11-07 21:56:10,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408decd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:10, skipping insertion in model container [2024-11-07 21:56:10,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:10" (2/3) ... [2024-11-07 21:56:10,651 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@408decd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:10, skipping insertion in model container [2024-11-07 21:56:10,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:10" (3/3) ... [2024-11-07 21:56:10,652 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:10,661 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:56:10,661 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:56:10,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:56:10,700 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;@6c45c57a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:56:10,700 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:56:10,703 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 21:56:10,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-07 21:56:10,707 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:56:10,707 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:56:10,707 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:56:10,710 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:56:10,710 INFO L85 PathProgramCache]: Analyzing trace with hash 601587096, now seen corresponding path program 1 times [2024-11-07 21:56:10,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:56:10,722 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054870062] [2024-11-07 21:56:10,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:56:10,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:56:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:56:10,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:56:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:56:10,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-11-07 21:56:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:56:10,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-11-07 21:56:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:56:10,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-07 21:56:10,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:56:10,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054870062] [2024-11-07 21:56:10,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054870062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:56:10,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:56:10,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 21:56:10,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017776959] [2024-11-07 21:56:10,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:56:10,877 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 21:56:10,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:56:10,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 21:56:10,888 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 21:56:10,889 INFO L87 Difference]: Start difference. First operand has 28 states, 19 states have (on average 1.263157894736842) internal successors, (24), 21 states have internal predecessors, (24), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 21:56:10,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:56:10,896 INFO L93 Difference]: Finished difference Result 28 states and 32 transitions. [2024-11-07 21:56:10,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 21:56:10,897 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2024-11-07 21:56:10,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:56:10,901 INFO L225 Difference]: With dead ends: 28 [2024-11-07 21:56:10,901 INFO L226 Difference]: Without dead ends: 20 [2024-11-07 21:56:10,902 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 21:56:10,904 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:56:10,904 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 21:56:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2024-11-07 21:56:10,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2024-11-07 21:56:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 14 states have internal predecessors, (16), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 21:56:10,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 22 transitions. [2024-11-07 21:56:10,924 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 22 transitions. Word has length 21 [2024-11-07 21:56:10,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:56:10,925 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 22 transitions. [2024-11-07 21:56:10,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 13.0) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-07 21:56:10,926 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 22 transitions. [2024-11-07 21:56:10,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-07 21:56:10,927 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:56:10,927 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:56:10,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 21:56:10,927 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:56:10,929 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:56:10,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1469330851, now seen corresponding path program 1 times [2024-11-07 21:56:10,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:56:10,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359603480] [2024-11-07 21:56:10,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:56:10,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:56:10,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-07 21:56:10,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2144025725] [2024-11-07 21:56:10,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:56:10,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:56:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:56:10,970 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-07 21:56:10,972 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-07 21:56:11,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:56:11,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:56:11,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:56:11,086 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 21:56:11,088 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:56:11,089 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:56:11,090 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:56:11,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-07 21:56:11,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-07 21:56:11,293 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 21:56:11,307 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:56:11,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:56:11 BoogieIcfgContainer [2024-11-07 21:56:11,310 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:56:11,310 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:56:11,310 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:56:11,310 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:56:11,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:10" (3/4) ... [2024-11-07 21:56:11,312 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:56:11,313 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:56:11,313 INFO L158 Benchmark]: Toolchain (without parser) took 1943.22ms. Allocated memory is still 100.7MB. Free memory was 71.9MB in the beginning and 39.2MB in the end (delta: 32.7MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2024-11-07 21:56:11,313 INFO L158 Benchmark]: CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:11,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1004.00ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 50.6MB in the end (delta: 21.1MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-11-07 21:56:11,314 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.56ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 46.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:11,314 INFO L158 Benchmark]: Boogie Preprocessor took 26.84ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 45.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:11,314 INFO L158 Benchmark]: RCFGBuilder took 195.08ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 33.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 21:56:11,314 INFO L158 Benchmark]: TraceAbstraction took 662.57ms. Allocated memory is still 100.7MB. Free memory was 33.1MB in the beginning and 39.9MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:11,314 INFO L158 Benchmark]: Witness Printer took 2.49ms. Allocated memory is still 100.7MB. Free memory was 39.9MB in the beginning and 39.2MB in the end (delta: 743.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:11,315 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62ms. Allocated memory is still 83.9MB. Free memory is still 47.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1004.00ms. Allocated memory is still 100.7MB. Free memory was 71.7MB in the beginning and 50.6MB in the end (delta: 21.1MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.56ms. Allocated memory is still 100.7MB. Free memory was 50.6MB in the beginning and 46.7MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.84ms. Allocated memory is still 100.7MB. Free memory was 46.7MB in the beginning and 45.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 195.08ms. Allocated memory is still 100.7MB. Free memory was 45.6MB in the beginning and 33.6MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 662.57ms. Allocated memory is still 100.7MB. Free memory was 33.1MB in the beginning and 39.9MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.49ms. Allocated memory is still 100.7MB. Free memory was 39.9MB in the beginning and 39.2MB in the end (delta: 743.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1851]: 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 1859. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] 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) [L1859] 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] [L1860] CALL CWE190_Integer_Overflow__int_fscanf_square_08_bad() [L1842] int data; [L1843] 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] [L1844] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] RET staticReturnsTrue() 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] [L1844] COND TRUE staticReturnsTrue() [L1848] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] COND TRUE staticReturnsTrue() [L1851] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred 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, 0.1s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 3/3 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 21:56:11,332 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/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/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/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 31c0caf532094049a5f77ca1ce5e09321384ec3a45e3bf6bb2c739b1795a0752 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:56:13,013 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:56:13,086 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 21:56:13,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:56:13,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:56:13,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 21:56:13,111 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:56:13,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:56:13,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:56:13,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:56:13,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:56:13,113 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:56:13,113 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:56:13,113 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:56:13,114 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:56:13,114 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:56:13,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:56:13,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:56:13,115 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/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 -> 31c0caf532094049a5f77ca1ce5e09321384ec3a45e3bf6bb2c739b1795a0752 [2024-11-07 21:56:13,328 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:56:13,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:56:13,339 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:56:13,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:56:13,340 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:56:13,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:14,431 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:56:14,738 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:56:14,739 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:14,765 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3af403e33/59644dc357774fea9b68d318897f21ab/FLAG5c3755e9f [2024-11-07 21:56:14,777 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/3af403e33/59644dc357774fea9b68d318897f21ab [2024-11-07 21:56:14,779 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:56:14,780 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:56:14,781 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:56:14,781 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:56:14,784 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:56:14,785 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:14" (1/1) ... [2024-11-07 21:56:14,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af59149 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:14, skipping insertion in model container [2024-11-07 21:56:14,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:56:14" (1/1) ... [2024-11-07 21:56:14,827 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:56:15,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:56:15,551 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:56:15,640 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:56:15,780 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:56:15,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15 WrapperNode [2024-11-07 21:56:15,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:56:15,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:56:15,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:56:15,782 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:56:15,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,810 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,838 INFO L138 Inliner]: procedures = 942, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 49 [2024-11-07 21:56:15,838 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:56:15,838 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:56:15,838 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:56:15,838 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:56:15,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,848 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,857 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-07 21:56:15,861 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,861 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,869 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,874 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,875 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,877 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:56:15,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:56:15,881 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:56:15,881 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:56:15,881 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (1/1) ... [2024-11-07 21:56:15,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:56:15,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:56:15,904 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-07 21:56:15,909 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-07 21:56:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:56:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:56:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:56:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2024-11-07 21:56:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2024-11-07 21:56:15,923 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:56:15,923 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:56:16,033 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:56:16,034 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:56:17,525 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-07 21:56:17,525 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:56:17,531 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:56:17,531 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:56:17,531 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:17 BoogieIcfgContainer [2024-11-07 21:56:17,531 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:56:17,533 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:56:17,533 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:56:17,536 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:56:17,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:56:14" (1/3) ... [2024-11-07 21:56:17,536 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bbb81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:17, skipping insertion in model container [2024-11-07 21:56:17,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:56:15" (2/3) ... [2024-11-07 21:56:17,537 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74bbb81d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:56:17, skipping insertion in model container [2024-11-07 21:56:17,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:17" (3/3) ... [2024-11-07 21:56:17,537 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_square_08_bad.i [2024-11-07 21:56:17,546 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:56:17,547 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:56:17,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:56:17,586 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;@7e20d380, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:56:17,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:56:17,591 INFO L276 IsEmpty]: Start isEmpty. Operand has 26 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-07 21:56:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-07 21:56:17,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:56:17,596 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:56:17,596 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:56:17,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:56:17,600 INFO L85 PathProgramCache]: Analyzing trace with hash -2101909711, now seen corresponding path program 1 times [2024-11-07 21:56:17,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 21:56:17,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [303607765] [2024-11-07 21:56:17,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:56:17,609 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 21:56:17,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 21:56:17,613 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-07 21:56:17,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-07 21:56:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:56:17,701 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:56:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:56:17,758 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 21:56:17,759 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:56:17,759 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:56:17,760 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:56:17,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-07 21:56:17,965 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-07 21:56:17,968 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 21:56:17,990 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:56:17,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:56:17 BoogieIcfgContainer [2024-11-07 21:56:17,993 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:56:17,993 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:56:17,993 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:56:17,994 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:56:17,995 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:56:17" (3/4) ... [2024-11-07 21:56:17,996 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:56:17,997 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:56:17,997 INFO L158 Benchmark]: Toolchain (without parser) took 3217.21ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 55.8MB in the beginning and 102.8MB in the end (delta: -47.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-07 21:56:17,997 INFO L158 Benchmark]: CDTParser took 1.97ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:17,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1000.15ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 30.1MB in the end (delta: 25.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-07 21:56:17,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.55ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 30.1MB in the beginning and 134.9MB in the end (delta: -104.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-11-07 21:56:17,999 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 133.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:17,999 INFO L158 Benchmark]: RCFGBuilder took 1650.56ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 119.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 21:56:18,000 INFO L158 Benchmark]: TraceAbstraction took 460.19ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 102.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 21:56:18,001 INFO L158 Benchmark]: Witness Printer took 3.25ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 102.8MB in the end (delta: 2.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:56:18,002 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.97ms. Allocated memory is still 83.9MB. Free memory is still 65.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1000.15ms. Allocated memory is still 83.9MB. Free memory was 55.5MB in the beginning and 30.1MB in the end (delta: 25.4MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.55ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 30.1MB in the beginning and 134.9MB in the end (delta: -104.8MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 167.8MB. Free memory was 134.9MB in the beginning and 133.0MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1650.56ms. Allocated memory is still 167.8MB. Free memory was 133.0MB in the beginning and 119.6MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 460.19ms. Allocated memory is still 167.8MB. Free memory was 119.1MB in the beginning and 102.8MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.25ms. Allocated memory is still 167.8MB. Free memory was 102.8MB in the beginning and 102.8MB in the end (delta: 2.6kB). 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: 1851]: 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 1859. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] 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) [L1859] 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] [L1860] CALL CWE190_Integer_Overflow__int_fscanf_square_08_bad() [L1842] int data; [L1843] 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] [L1844] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1844] RET staticReturnsTrue() 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] [L1844] COND TRUE staticReturnsTrue() [L1848] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1834] return 1; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \result=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1848] COND TRUE staticReturnsTrue() [L1851] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1851]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 26 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 21:56:18,023 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample