./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_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_fgets_postinc_18_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', '5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c'] 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_fgets_postinc_18_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 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:43:02,312 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:43:02,370 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 21:43:02,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:43:02,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:43:02,401 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:43:02,401 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:43:02,401 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:43:02,402 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:43:02,402 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:43:02,402 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:43:02,402 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:43:02,402 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:43:02,404 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:43:02,404 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:43:02,405 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:43:02,405 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:43:02,405 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:43:02,405 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 -> 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c [2024-11-07 21:43:02,665 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:43:02,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:43:02,676 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:43:02,677 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:43:02,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:43:02,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:04,031 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:43:04,352 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:43:04,353 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:04,393 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40042c511/fb573b21464546db9c74896e5650daa0/FLAG5d3c9f7fd [2024-11-07 21:43:04,408 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/40042c511/fb573b21464546db9c74896e5650daa0 [2024-11-07 21:43:04,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:43:04,411 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:43:04,413 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:43:04,413 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:43:04,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:43:04,420 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:04" (1/1) ... [2024-11-07 21:43:04,421 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dfab0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:04, skipping insertion in model container [2024-11-07 21:43:04,421 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:04" (1/1) ... [2024-11-07 21:43:04,457 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:43:04,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:43:04,996 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:43:05,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:43:05,211 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:43:05,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05 WrapperNode [2024-11-07 21:43:05,216 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:43:05,216 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:43:05,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:43:05,217 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:43:05,221 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,265 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-07 21:43:05,265 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:43:05,265 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:43:05,266 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:43:05,266 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:43:05,271 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,294 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-07 21:43:05,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,298 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,304 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,308 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:43:05,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:43:05,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:43:05,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:43:05,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (1/1) ... [2024-11-07 21:43:05,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:43:05,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:43:05,346 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 21:43:05,350 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 21:43:05,371 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:43:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:43:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:43:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:43:05,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:43:05,372 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-07 21:43:05,486 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:43:05,488 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:43:05,565 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-07 21:43:05,565 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:43:05,571 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:43:05,571 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:43:05,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:05 BoogieIcfgContainer [2024-11-07 21:43:05,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:43:05,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:43:05,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:43:05,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:43:05,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:04" (1/3) ... [2024-11-07 21:43:05,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:05, skipping insertion in model container [2024-11-07 21:43:05,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:05" (2/3) ... [2024-11-07 21:43:05,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@914b8c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:05, skipping insertion in model container [2024-11-07 21:43:05,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:05" (3/3) ... [2024-11-07 21:43:05,578 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:05,588 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:43:05,589 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:43:05,620 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:43:05,628 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;@7b76f100, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:43:05,628 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:43:05,631 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 21:43:05,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 21:43:05,635 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:43:05,636 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:43:05,636 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:43:05,639 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:43:05,639 INFO L85 PathProgramCache]: Analyzing trace with hash 1056177233, now seen corresponding path program 1 times [2024-11-07 21:43:05,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:43:05,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935722586] [2024-11-07 21:43:05,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:43:05,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:43:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:43:05,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-07 21:43:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:43:05,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:43:05,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-07 21:43:05,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935722586] [2024-11-07 21:43:05,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935722586] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:43:05,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:43:05,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-07 21:43:05,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569185608] [2024-11-07 21:43:05,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:43:05,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-07 21:43:05,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-07 21:43:05,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-07 21:43:05,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:43:05,932 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2024-11-07 21:43:05,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:43:05,958 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-11-07 21:43:05,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-07 21:43:05,964 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) Word has length 13 [2024-11-07 21:43:05,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:43:05,970 INFO L225 Difference]: With dead ends: 25 [2024-11-07 21:43:05,970 INFO L226 Difference]: Without dead ends: 17 [2024-11-07 21:43:05,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-07 21:43:05,974 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 4 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-07 21:43:05,975 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 59 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 21:43:05,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-07 21:43:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-07 21:43:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:43:05,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-07 21:43:05,997 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-07 21:43:05,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:43:05,998 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-07 21:43:05,998 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 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) [2024-11-07 21:43:05,998 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-07 21:43:06,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 21:43:06,000 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:43:06,000 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:43:06,001 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 21:43:06,001 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:43:06,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:43:06,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1618244086, now seen corresponding path program 1 times [2024-11-07 21:43:06,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 21:43:06,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841558914] [2024-11-07 21:43:06,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:43:06,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 21:43:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:43:06,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:43:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:43:06,068 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 21:43:06,068 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:43:06,070 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:43:06,072 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:43:06,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-07 21:43:06,074 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 21:43:06,090 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:43:06,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:06 BoogieIcfgContainer [2024-11-07 21:43:06,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:43:06,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:43:06,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:43:06,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:43:06,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:05" (3/4) ... [2024-11-07 21:43:06,097 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:43:06,098 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:43:06,098 INFO L158 Benchmark]: Toolchain (without parser) took 1687.32ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 88.6MB in the beginning and 109.8MB in the end (delta: -21.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB. [2024-11-07 21:43:06,098 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:06,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 803.17ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 70.6MB in the end (delta: 17.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-07 21:43:06,099 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.71ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 21:43:06,099 INFO L158 Benchmark]: Boogie Preprocessor took 43.91ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:06,099 INFO L158 Benchmark]: RCFGBuilder took 262.00ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 54.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 21:43:06,100 INFO L158 Benchmark]: TraceAbstraction took 520.19ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 54.0MB in the beginning and 109.8MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:06,100 INFO L158 Benchmark]: Witness Printer took 3.53ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 22.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:06,101 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 117.4MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 803.17ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 70.6MB in the end (delta: 17.9MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.71ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 68.1MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.91ms. Allocated memory is still 117.4MB. Free memory was 68.1MB in the beginning and 66.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 262.00ms. Allocated memory is still 117.4MB. Free memory was 66.1MB in the beginning and 54.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 520.19ms. Allocated memory was 117.4MB in the beginning and 159.4MB in the end (delta: 41.9MB). Free memory was 54.0MB in the beginning and 109.8MB in the end (delta: -55.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.53ms. Allocated memory is still 159.4MB. Free memory was 109.8MB in the beginning and 109.8MB in the end (delta: 22.5kB). 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1556. 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] [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_18_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] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] 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: 1568]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 36 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 24 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 21:43:06,120 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_fgets_postinc_18_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 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 21:43:08,130 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 21:43:08,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 21:43:08,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 21:43:08,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 21:43:08,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 21:43:08,255 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 21:43:08,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 21:43:08,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 21:43:08,257 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 21:43:08,258 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 21:43:08,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 21:43:08,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 21:43:08,262 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 21:43:08,262 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 21:43:08,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 21:43:08,263 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 21:43:08,263 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:43:08,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 21:43:08,264 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 21:43:08,264 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 -> 5e9901388dc3c778e71383b38d5c8e69dc8ac06a0319c62b3ce21e9bdd7b5e3c [2024-11-07 21:43:08,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 21:43:08,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 21:43:08,506 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 21:43:08,508 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 21:43:08,508 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 21:43:08,508 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:09,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 21:43:10,026 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 21:43:10,027 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:10,045 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac5234ed7/a10c57c450124626b9e044d6cc3988ac/FLAGad2511594 [2024-11-07 21:43:10,241 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ac5234ed7/a10c57c450124626b9e044d6cc3988ac [2024-11-07 21:43:10,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 21:43:10,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 21:43:10,245 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 21:43:10,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 21:43:10,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 21:43:10,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:10,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e8e035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10, skipping insertion in model container [2024-11-07 21:43:10,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:10,285 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 21:43:10,763 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:43:10,772 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 21:43:10,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 21:43:10,976 INFO L204 MainTranslator]: Completed translation [2024-11-07 21:43:10,978 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10 WrapperNode [2024-11-07 21:43:10,978 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 21:43:10,979 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 21:43:10,979 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 21:43:10,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 21:43:10,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,008 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,023 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-11-07 21:43:11,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 21:43:11,025 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 21:43:11,025 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 21:43:11,025 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 21:43:11,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,033 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,042 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-07 21:43:11,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,047 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,049 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,050 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,050 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,052 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 21:43:11,053 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 21:43:11,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 21:43:11,053 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 21:43:11,054 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (1/1) ... [2024-11-07 21:43:11,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 21:43:11,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 21:43:11,081 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 21:43:11,085 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 21:43:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 21:43:11,116 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 21:43:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-07 21:43:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 21:43:11,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 21:43:11,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 21:43:11,254 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 21:43:11,255 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 21:43:11,345 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-07 21:43:11,346 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 21:43:11,352 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 21:43:11,354 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 21:43:11,354 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:11 BoogieIcfgContainer [2024-11-07 21:43:11,354 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 21:43:11,356 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 21:43:11,356 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 21:43:11,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 21:43:11,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 09:43:10" (1/3) ... [2024-11-07 21:43:11,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63577b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:11, skipping insertion in model container [2024-11-07 21:43:11,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 09:43:10" (2/3) ... [2024-11-07 21:43:11,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63577b62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 09:43:11, skipping insertion in model container [2024-11-07 21:43:11,361 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:11" (3/3) ... [2024-11-07 21:43:11,362 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_postinc_18_bad.i [2024-11-07 21:43:11,373 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 21:43:11,373 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 21:43:11,411 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 21:43:11,422 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;@1e67a5af, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 21:43:11,422 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 21:43:11,425 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-07 21:43:11,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-07 21:43:11,430 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:43:11,430 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:43:11,431 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:43:11,434 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:43:11,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1056177233, now seen corresponding path program 1 times [2024-11-07 21:43:11,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 21:43:11,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1265369365] [2024-11-07 21:43:11,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:43:11,445 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 21:43:11,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 21:43:11,449 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 21:43:11,465 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 21:43:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-07 21:43:11,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-07 21:43:11,599 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-07 21:43:11,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-07 21:43:11,612 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-07 21:43:11,612 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-07 21:43:11,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1265369365] [2024-11-07 21:43:11,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1265369365] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-07 21:43:11,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-07 21:43:11,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-07 21:43:11,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837557606] [2024-11-07 21:43:11,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-07 21:43:11,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-07 21:43:11,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-07 21:43:11,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-07 21:43:11,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-07 21:43:11,628 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 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) [2024-11-07 21:43:11,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-07 21:43:11,636 INFO L93 Difference]: Finished difference Result 25 states and 28 transitions. [2024-11-07 21:43:11,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-07 21:43:11,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 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) Word has length 13 [2024-11-07 21:43:11,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-07 21:43:11,640 INFO L225 Difference]: With dead ends: 25 [2024-11-07 21:43:11,640 INFO L226 Difference]: Without dead ends: 17 [2024-11-07 21:43:11,641 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 12 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 21:43:11,643 INFO L432 NwaCegarLoop]: 27 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, 27 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 21:43:11,643 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-07 21:43:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2024-11-07 21:43:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2024-11-07 21:43:11,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 13 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-07 21:43:11,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2024-11-07 21:43:11,663 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 13 [2024-11-07 21:43:11,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-07 21:43:11,664 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2024-11-07 21:43:11,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 11.0) internal successors, (11), 2 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) [2024-11-07 21:43:11,664 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2024-11-07 21:43:11,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-07 21:43:11,665 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 21:43:11,665 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 21:43:11,671 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 21:43:11,865 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 21:43:11,865 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 21:43:11,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 21:43:11,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1618244086, now seen corresponding path program 1 times [2024-11-07 21:43:11,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 21:43:11,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [459987126] [2024-11-07 21:43:11,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 21:43:11,869 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 21:43:11,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 21:43:11,872 INFO L229 MonitoredProcess]: Starting monitored process 3 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 21:43:11,874 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 (3)] Waiting until timeout for monitored process [2024-11-07 21:43:11,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:43:11,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 21:43:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 21:43:12,028 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 21:43:12,028 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 21:43:12,033 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 21:43:12,035 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 21:43:12,045 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 (3)] Ended with exit code 0 [2024-11-07 21:43:12,241 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /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 21:43:12,244 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-07 21:43:12,267 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 21:43:12,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 09:43:12 BoogieIcfgContainer [2024-11-07 21:43:12,273 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 21:43:12,274 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 21:43:12,274 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 21:43:12,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 21:43:12,274 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 09:43:11" (3/4) ... [2024-11-07 21:43:12,276 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 21:43:12,279 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 21:43:12,280 INFO L158 Benchmark]: Toolchain (without parser) took 2036.19ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 89.8MB in the beginning and 194.0MB in the end (delta: -104.3MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2024-11-07 21:43:12,280 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:12,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 733.17ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.4MB in the end (delta: 21.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. [2024-11-07 21:43:12,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.16ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:12,281 INFO L158 Benchmark]: Boogie Preprocessor took 26.94ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:12,281 INFO L158 Benchmark]: RCFGBuilder took 301.67ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 49.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 21:43:12,281 INFO L158 Benchmark]: TraceAbstraction took 917.19ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 49.2MB in the beginning and 194.1MB in the end (delta: -144.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:12,281 INFO L158 Benchmark]: Witness Printer took 5.98ms. Allocated memory is still 243.3MB. Free memory was 194.1MB in the beginning and 194.0MB in the end (delta: 35.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 21:43:12,282 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 117.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 733.17ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 68.4MB in the end (delta: 21.1MB). Peak memory consumption was 58.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.16ms. Allocated memory is still 117.4MB. Free memory was 68.4MB in the beginning and 65.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.94ms. Allocated memory is still 117.4MB. Free memory was 65.3MB in the beginning and 63.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 301.67ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 49.7MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 917.19ms. Allocated memory was 117.4MB in the beginning and 243.3MB in the end (delta: 125.8MB). Free memory was 49.2MB in the beginning and 194.1MB in the end (delta: -144.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.98ms. Allocated memory is still 243.3MB. Free memory was 194.1MB in the beginning and 194.0MB in the end (delta: 35.5kB). 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: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1576, overapproximation of fgets at line 1556. 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] [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_18_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] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] 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: 1568]: 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 27 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, 27 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 SizeOfPredicates, 0 NumberOfNonLiveVariables, 59 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-07 21:43:12,313 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