./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_67_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/CWE191_Integer_Underflow__int_fscanf_predec_67_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', 'd6f3a217b0095de405d57df627223a2037d47f65b9f718dc7a35ffefa416a3b7'] 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/CWE191_Integer_Underflow__int_fscanf_predec_67_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 d6f3a217b0095de405d57df627223a2037d47f65b9f718dc7a35ffefa416a3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:46:12,207 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:46:12,321 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-07 22:46:12,329 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:46:12,329 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:46:12,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:46:12,360 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:46:12,360 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:46:12,361 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:46:12,361 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:46:12,361 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:46:12,362 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:46:12,362 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:46:12,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:46:12,363 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:46:12,363 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:46:12,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:46:12,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-07 22:46:12,363 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:46:12,364 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:46:12,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:46:12,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:46:12,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:46:12,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:46:12,366 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:46:12,366 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-07 22:46:12,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-07 22:46:12,367 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:46:12,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:46:12,367 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:46:12,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:46:12,367 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 -> d6f3a217b0095de405d57df627223a2037d47f65b9f718dc7a35ffefa416a3b7 [2024-11-07 22:46:12,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:46:12,676 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:46:12,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:46:12,680 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:46:12,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:46:12,682 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:13,913 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:46:14,274 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:46:14,275 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:14,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35e8ef955/58b69b8d4c3b4cba84f3595c3a9085ad/FLAGeadc40493 [2024-11-07 22:46:14,309 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/35e8ef955/58b69b8d4c3b4cba84f3595c3a9085ad [2024-11-07 22:46:14,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:46:14,312 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:46:14,313 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:14,313 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:46:14,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:46:14,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:14" (1/1) ... [2024-11-07 22:46:14,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57fd6413 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:14, skipping insertion in model container [2024-11-07 22:46:14,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:14" (1/1) ... [2024-11-07 22:46:14,371 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:46:15,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:15,055 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:46:15,151 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:15,302 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:46:15,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15 WrapperNode [2024-11-07 22:46:15,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:15,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:46:15,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:46:15,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:46:15,312 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,358 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2024-11-07 22:46:15,360 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:46:15,361 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:46:15,361 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:46:15,361 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:46:15,367 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,368 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,370 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,389 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-07 22:46:15,390 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,398 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,403 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,404 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,406 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:46:15,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:46:15,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:46:15,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:46:15,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (1/1) ... [2024-11-07 22:46:15,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:46:15,426 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:46:15,442 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 22:46:15,445 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 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:46:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:46:15,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-07 22:46:15,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-07 22:46:15,578 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:46:15,579 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:46:15,677 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-07 22:46:15,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:46:15,685 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:46:15,685 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:46:15,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:15 BoogieIcfgContainer [2024-11-07 22:46:15,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:46:15,688 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:46:15,688 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:46:15,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:46:15,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:46:14" (1/3) ... [2024-11-07 22:46:15,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d21a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:15, skipping insertion in model container [2024-11-07 22:46:15,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:15" (2/3) ... [2024-11-07 22:46:15,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27d21a77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:15, skipping insertion in model container [2024-11-07 22:46:15,694 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:15" (3/3) ... [2024-11-07 22:46:15,695 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:15,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:46:15,709 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:46:15,761 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:46:15,773 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;@2da1ce16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:46:15,774 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:46:15,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 22:46:15,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:46:15,783 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:46:15,783 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:46:15,784 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:46:15,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:46:15,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-07 22:46:15,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-07 22:46:15,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192358504] [2024-11-07 22:46:15,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:46:15,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-07 22:46:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:46:15,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:46:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:46:15,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-07 22:46:15,971 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:46:15,972 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:46:15,974 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:46:15,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-07 22:46:15,977 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:46:15,997 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:46:16,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:46:16 BoogieIcfgContainer [2024-11-07 22:46:16,002 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:46:16,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:46:16,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:46:16,003 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:46:16,004 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:15" (3/4) ... [2024-11-07 22:46:16,005 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:46:16,006 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:46:16,007 INFO L158 Benchmark]: Toolchain (without parser) took 1695.28ms. Allocated memory is still 100.7MB. Free memory was 73.6MB in the beginning and 64.1MB in the end (delta: 9.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2024-11-07 22:46:16,007 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:16,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 990.95ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 55.9MB in the end (delta: 17.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-07 22:46:16,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.87ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 53.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:46:16,009 INFO L158 Benchmark]: Boogie Preprocessor took 48.40ms. Allocated memory is still 100.7MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:16,009 INFO L158 Benchmark]: RCFGBuilder took 276.26ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 39.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-07 22:46:16,010 INFO L158 Benchmark]: TraceAbstraction took 314.07ms. Allocated memory is still 100.7MB. Free memory was 39.1MB in the beginning and 64.5MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:16,010 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 64.1MB in the end (delta: 412.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:16,013 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 83.9MB. Free memory is still 47.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 990.95ms. Allocated memory is still 100.7MB. Free memory was 73.4MB in the beginning and 55.9MB in the end (delta: 17.5MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.87ms. Allocated memory is still 100.7MB. Free memory was 55.9MB in the beginning and 53.6MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.40ms. Allocated memory is still 100.7MB. Free memory was 53.6MB in the beginning and 51.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 276.26ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 39.7MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 314.07ms. Allocated memory is still 100.7MB. Free memory was 39.1MB in the beginning and 64.5MB in the end (delta: -25.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 100.7MB. Free memory was 64.5MB in the beginning and 64.1MB in the end (delta: 412.9kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_predec_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --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: 1573]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, 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=20occurred 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, 9 NumberOfCodeBlocks, 9 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 22:46:16,038 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/CWE191_Integer_Underflow__int_fscanf_predec_67_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 d6f3a217b0095de405d57df627223a2037d47f65b9f718dc7a35ffefa416a3b7 --- Real Ultimate output --- This is Ultimate 0.3.0-?-4f9af40 [2024-11-07 22:46:18,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-07 22:46:18,214 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-07 22:46:18,240 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-07 22:46:18,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-07 22:46:18,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-07 22:46:18,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-07 22:46:18,265 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-07 22:46:18,265 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-07 22:46:18,265 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-07 22:46:18,265 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-07 22:46:18,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-07 22:46:18,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-07 22:46:18,265 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-07 22:46:18,265 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-07 22:46:18,265 INFO L153 SettingsManager]: * Use SBE=true [2024-11-07 22:46:18,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-07 22:46:18,266 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-07 22:46:18,266 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:46:18,267 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-07 22:46:18,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-07 22:46:18,267 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 -> d6f3a217b0095de405d57df627223a2037d47f65b9f718dc7a35ffefa416a3b7 [2024-11-07 22:46:18,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-07 22:46:18,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-07 22:46:18,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-07 22:46:18,547 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-07 22:46:18,547 INFO L274 PluginConnector]: CDTParser initialized [2024-11-07 22:46:18,548 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:19,834 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-07 22:46:20,244 INFO L384 CDTParser]: Found 1 translation units. [2024-11-07 22:46:20,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:20,276 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/30a4c2ba3/304330c8027844f794375cfe59c273b1/FLAGf9b339f1c [2024-11-07 22:46:20,295 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/30a4c2ba3/304330c8027844f794375cfe59c273b1 [2024-11-07 22:46:20,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-07 22:46:20,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-07 22:46:20,301 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:20,304 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-07 22:46:20,308 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-07 22:46:20,309 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:20" (1/1) ... [2024-11-07 22:46:20,309 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3616db5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:20, skipping insertion in model container [2024-11-07 22:46:20,311 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:46:20" (1/1) ... [2024-11-07 22:46:20,375 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-07 22:46:20,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:20,985 INFO L200 MainTranslator]: Completed pre-run [2024-11-07 22:46:21,093 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-07 22:46:21,244 INFO L204 MainTranslator]: Completed translation [2024-11-07 22:46:21,245 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21 WrapperNode [2024-11-07 22:46:21,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-07 22:46:21,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-07 22:46:21,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-07 22:46:21,246 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-07 22:46:21,253 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,310 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2024-11-07 22:46:21,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-07 22:46:21,312 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-07 22:46:21,312 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-07 22:46:21,313 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-07 22:46:21,320 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,327 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,350 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2024-11-07 22:46:21,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,376 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,379 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-07 22:46:21,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-07 22:46:21,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-07 22:46:21,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-07 22:46:21,383 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (1/1) ... [2024-11-07 22:46:21,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-07 22:46:21,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2024-11-07 22:46:21,410 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 22:46:21,412 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 22:46:21,434 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-07 22:46:21,434 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-07 22:46:21,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-07 22:46:21,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-07 22:46:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-07 22:46:21,436 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-07 22:46:21,583 INFO L238 CfgBuilder]: Building ICFG [2024-11-07 22:46:21,585 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-07 22:46:21,726 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-07 22:46:21,726 INFO L287 CfgBuilder]: Performing block encoding [2024-11-07 22:46:21,738 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-07 22:46:21,738 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-07 22:46:21,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:21 BoogieIcfgContainer [2024-11-07 22:46:21,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-07 22:46:21,741 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-07 22:46:21,741 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-07 22:46:21,746 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-07 22:46:21,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 10:46:20" (1/3) ... [2024-11-07 22:46:21,746 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738b0ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:21, skipping insertion in model container [2024-11-07 22:46:21,746 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:46:21" (2/3) ... [2024-11-07 22:46:21,747 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@738b0ec3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 10:46:21, skipping insertion in model container [2024-11-07 22:46:21,747 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:21" (3/3) ... [2024-11-07 22:46:21,748 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_predec_67_bad.i [2024-11-07 22:46:21,760 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-07 22:46:21,760 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-07 22:46:21,801 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-07 22:46:21,813 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;@3e284e4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-07 22:46:21,813 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-07 22:46:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 16 states have internal predecessors, (17), 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 22:46:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-07 22:46:21,824 INFO L207 NwaCegarLoop]: Found error trace [2024-11-07 22:46:21,825 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-07 22:46:21,825 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-07 22:46:21,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-07 22:46:21,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1855260787, now seen corresponding path program 1 times [2024-11-07 22:46:21,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-07 22:46:21,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716393970] [2024-11-07 22:46:21,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-07 22:46:21,840 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 22:46:21,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-07 22:46:21,843 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 22:46:21,844 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 22:46:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:46:22,027 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-07 22:46:22,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-07 22:46:22,097 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-07 22:46:22,099 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-07 22:46:22,102 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-07 22:46:22,104 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-07 22:46:22,111 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 22:46:22,306 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 22:46:22,309 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-07 22:46:22,325 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-07 22:46:22,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 10:46:22 BoogieIcfgContainer [2024-11-07 22:46:22,331 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-07 22:46:22,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-07 22:46:22,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-07 22:46:22,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-07 22:46:22,335 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:46:21" (3/4) ... [2024-11-07 22:46:22,337 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-07 22:46:22,338 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-07 22:46:22,339 INFO L158 Benchmark]: Toolchain (without parser) took 2039.76ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.7MB in the beginning and 198.4MB in the end (delta: -108.7MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-11-07 22:46:22,340 INFO L158 Benchmark]: CDTParser took 1.17ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:22,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 944.37ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.6MB in the end (delta: 21.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-07 22:46:22,342 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.32ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:22,342 INFO L158 Benchmark]: Boogie Preprocessor took 66.61ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:22,343 INFO L158 Benchmark]: RCFGBuilder took 358.83ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 48.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-07 22:46:22,343 INFO L158 Benchmark]: TraceAbstraction took 590.83ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 48.3MB in the beginning and 199.1MB in the end (delta: -150.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:22,343 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 234.9MB. Free memory was 199.1MB in the beginning and 198.4MB in the end (delta: 713.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-07 22:46:22,345 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.17ms. Allocated memory is still 117.4MB. Free memory is still 85.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 944.37ms. Allocated memory is still 117.4MB. Free memory was 89.5MB in the beginning and 67.6MB in the end (delta: 21.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.32ms. Allocated memory is still 117.4MB. Free memory was 67.6MB in the beginning and 64.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.61ms. Allocated memory is still 117.4MB. Free memory was 64.7MB in the beginning and 62.2MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 358.83ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 48.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 590.83ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 48.3MB in the beginning and 199.1MB in the end (delta: -150.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 234.9MB. Free memory was 199.1MB in the beginning and 198.4MB in the end (delta: 713.2kB). 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: 1573]: 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 1565. 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] [L1565] 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) [L1565] 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] [L1566] CALL CWE191_Integer_Underflow__int_fscanf_predec_67_bad() [L1555] int data; [L1556] CWE191_Integer_Underflow__int_fscanf_predec_67_structType myStruct; [L1557] data = 0 [L1559] myStruct.structFirst = data [L1560] CALL CWE191_Integer_Underflow__int_fscanf_predec_67b_badSink(myStruct) [L1571] EXPR myStruct.structFirst [L1571] int data = myStruct.structFirst; [L1573] --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: 1573]: 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, 20 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, 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=20occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 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 22:46:22,371 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