./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB --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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:11,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:11,994 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-28 04:35:12,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:12,006 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:12,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:12,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:12,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:12,051 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:12,051 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:12,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:12,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:12,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:12,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:12,052 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:12,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:12,053 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:12,054 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:12,054 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:12,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:12,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:12,056 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:12,056 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:12,057 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:12,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:12,057 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2024-11-28 04:35:12,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:12,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:12,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:12,446 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:12,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:12,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:15,802 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/73d77ae14/44559e6cf92f47efbb82c7ff7b3405cd/FLAGa3680ec9a [2024-11-28 04:35:16,369 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:16,369 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:16,400 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/73d77ae14/44559e6cf92f47efbb82c7ff7b3405cd/FLAGa3680ec9a [2024-11-28 04:35:16,419 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/73d77ae14/44559e6cf92f47efbb82c7ff7b3405cd [2024-11-28 04:35:16,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:16,423 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:16,425 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:16,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:16,431 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:16,432 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:16,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2298691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:16, skipping insertion in model container [2024-11-28 04:35:16,433 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:16" (1/1) ... [2024-11-28 04:35:16,487 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:17,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:17,729 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:17,862 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:18,050 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:18,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18 WrapperNode [2024-11-28 04:35:18,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:18,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:18,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:18,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:18,070 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,106 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,146 INFO L138 Inliner]: procedures = 500, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2024-11-28 04:35:18,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:18,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:18,151 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:18,151 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:18,165 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,165 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,168 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,184 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]. [2024-11-28 04:35:18,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,193 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,195 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,196 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:18,199 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:18,199 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:18,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:18,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (1/1) ... [2024-11-28 04:35:18,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:18,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:18,249 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:18,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 04:35:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 04:35:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:18,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:18,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:18,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 04:35:18,458 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:18,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:18,613 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:18,613 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:18,625 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:18,625 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:35:18,626 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:18 BoogieIcfgContainer [2024-11-28 04:35:18,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:18,629 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:18,630 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:18,636 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:18,637 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:16" (1/3) ... [2024-11-28 04:35:18,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6524f28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:18, skipping insertion in model container [2024-11-28 04:35:18,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:18" (2/3) ... [2024-11-28 04:35:18,638 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6524f28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:18, skipping insertion in model container [2024-11-28 04:35:18,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:18" (3/3) ... [2024-11-28 04:35:18,640 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:18,667 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:18,669 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 04:35:18,759 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:18,776 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;@500e40aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:18,776 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:35:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-11-28 04:35:18,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 04:35:18,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:18,790 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:18,790 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 04:35:18,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:18,797 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times [2024-11-28 04:35:18,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:18,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767392414] [2024-11-28 04:35:18,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:18,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:19,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:19,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:35:19,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767392414] [2024-11-28 04:35:19,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767392414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:19,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:19,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:19,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386595884] [2024-11-28 04:35:19,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:19,258 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:19,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:35:19,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:19,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:19,288 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:35:19,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:19,345 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-28 04:35:19,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:19,348 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-28 04:35:19,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:19,356 INFO L225 Difference]: With dead ends: 25 [2024-11-28 04:35:19,356 INFO L226 Difference]: Without dead ends: 15 [2024-11-28 04:35:19,360 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:19,366 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:19,367 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:35:19,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-28 04:35:19,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-28 04:35:19,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-28 04:35:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-28 04:35:19,417 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-28 04:35:19,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:19,419 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-28 04:35:19,420 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:35:19,420 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-28 04:35:19,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:35:19,424 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:19,424 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:19,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:35:19,424 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 04:35:19,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times [2024-11-28 04:35:19,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:35:19,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429809819] [2024-11-28 04:35:19,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:35:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:35:19,512 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:35:19,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:35:19,587 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 04:35:19,588 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:35:19,590 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-28 04:35:19,593 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-28 04:35:19,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:35:19,598 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:35:19,631 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:35:19,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:35:19 BoogieIcfgContainer [2024-11-28 04:35:19,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:35:19,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:35:19,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:35:19,636 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:35:19,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:18" (3/4) ... [2024-11-28 04:35:19,640 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:35:19,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:35:19,642 INFO L158 Benchmark]: Toolchain (without parser) took 3218.84ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.9MB in the beginning and 338.9MB in the end (delta: -224.0MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,643 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:19,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.7MB in the beginning and 391.5MB in the end (delta: -276.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,644 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.95ms. Allocated memory is still 427.8MB. Free memory was 391.5MB in the beginning and 389.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,644 INFO L158 Benchmark]: Boogie Preprocessor took 50.07ms. Allocated memory is still 427.8MB. Free memory was 389.2MB in the beginning and 387.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:19,644 INFO L158 Benchmark]: RCFGBuilder took 426.87ms. Allocated memory is still 427.8MB. Free memory was 387.3MB in the beginning and 372.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,645 INFO L158 Benchmark]: TraceAbstraction took 1006.11ms. Allocated memory is still 427.8MB. Free memory was 371.9MB in the beginning and 339.5MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,645 INFO L158 Benchmark]: Witness Printer took 5.15ms. Allocated memory is still 427.8MB. Free memory was 339.5MB in the beginning and 338.9MB in the end (delta: 584.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:19,648 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 142.6MB. Free memory is still 79.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.33ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 114.7MB in the beginning and 391.5MB in the end (delta: -276.8MB). Peak memory consumption was 57.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 94.95ms. Allocated memory is still 427.8MB. Free memory was 391.5MB in the beginning and 389.2MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.07ms. Allocated memory is still 427.8MB. Free memory was 389.2MB in the beginning and 387.3MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 426.87ms. Allocated memory is still 427.8MB. Free memory was 387.3MB in the beginning and 372.5MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1006.11ms. Allocated memory is still 427.8MB. Free memory was 371.9MB in the beginning and 339.5MB in the end (delta: 32.4MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.15ms. Allocated memory is still 427.8MB. Free memory was 339.5MB in the beginning and 338.9MB in the end (delta: 584.5kB). Peak memory consumption was 8.4MB. 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 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: 1583]: 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:35:19,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB --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 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:35:22,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:35:22,804 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-28 04:35:22,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:35:22,815 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:35:22,816 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-28 04:35:22,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:35:22,858 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:35:22,859 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:35:22,859 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:35:22,860 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:35:22,861 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:35:22,861 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:35:22,862 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:35:22,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:35:22,863 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:35:22,864 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:35:22,865 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:35:22,866 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:22,866 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:22,866 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:22,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:22,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:35:22,867 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:35:22,867 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:35:22,867 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:35:22,867 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:22,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:35:22,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:35:22,868 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:35:22,868 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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 2d26319dc8ca473618b013abe735255f59d6514fb3c3118bb57512acd3d6a6fb [2024-11-28 04:35:23,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:35:23,240 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:35:23,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:35:23,245 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:35:23,247 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:35:23,248 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:26,310 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/249f64758/b1f65863af6640799d40f433399159e8/FLAG4715c7023 [2024-11-28 04:35:26,731 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:35:26,731 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:26,783 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/249f64758/b1f65863af6640799d40f433399159e8/FLAG4715c7023 [2024-11-28 04:35:26,805 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/data/249f64758/b1f65863af6640799d40f433399159e8 [2024-11-28 04:35:26,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:35:26,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:35:26,813 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:26,813 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:35:26,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:35:26,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:26" (1/1) ... [2024-11-28 04:35:26,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@708854b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:26, skipping insertion in model container [2024-11-28 04:35:26,822 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:35:26" (1/1) ... [2024-11-28 04:35:26,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:35:28,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:28,243 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:35:28,398 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:35:28,609 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:35:28,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28 WrapperNode [2024-11-28 04:35:28,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:35:28,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:28,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:35:28,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:35:28,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,697 INFO L138 Inliner]: procedures = 505, calls = 29, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2024-11-28 04:35:28,698 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:35:28,699 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:35:28,699 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:35:28,699 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:35:28,710 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,711 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,717 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,739 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]. [2024-11-28 04:35:28,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,748 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,752 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,755 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,762 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:35:28,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:35:28,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:35:28,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:35:28,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (1/1) ... [2024-11-28 04:35:28,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:35:28,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:28,806 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:35:28,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:35:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-28 04:35:28,835 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-28 04:35:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 04:35:28,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:35:28,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:35:28,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:35:29,006 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:35:29,009 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:35:29,200 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-28 04:35:29,200 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:35:29,211 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:35:29,211 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 04:35:29,211 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:29 BoogieIcfgContainer [2024-11-28 04:35:29,212 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:35:29,214 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:35:29,214 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:35:29,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:35:29,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:35:26" (1/3) ... [2024-11-28 04:35:29,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be18ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:29, skipping insertion in model container [2024-11-28 04:35:29,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:35:28" (2/3) ... [2024-11-28 04:35:29,222 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27be18ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:35:29, skipping insertion in model container [2024-11-28 04:35:29,222 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:29" (3/3) ... [2024-11-28 04:35:29,225 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i [2024-11-28 04:35:29,242 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:35:29,243 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_multiply_52_bad.i that has 2 procedures, 25 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-28 04:35:29,324 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:35:29,340 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;@3c127cf5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:35:29,341 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-28 04:35:29,346 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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) [2024-11-28 04:35:29,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-28 04:35:29,354 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:29,355 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:29,355 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 04:35:29,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:29,363 INFO L85 PathProgramCache]: Analyzing trace with hash -83245182, now seen corresponding path program 1 times [2024-11-28 04:35:29,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:29,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1691128591] [2024-11-28 04:35:29,380 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:29,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:29,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:29,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:29,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 04:35:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:35:29,586 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-28 04:35:29,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:35:29,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:35:29,650 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 04:35:29,651 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 04:35:29,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1691128591] [2024-11-28 04:35:29,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1691128591] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:35:29,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:35:29,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:35:29,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774148014] [2024-11-28 04:35:29,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:35:29,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:35:29,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 04:35:29,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:35:29,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:29,696 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 21 states have internal predecessors, (23), 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 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:35:29,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 04:35:29,748 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-28 04:35:29,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:35:29,751 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-28 04:35:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 04:35:29,759 INFO L225 Difference]: With dead ends: 25 [2024-11-28 04:35:29,760 INFO L226 Difference]: Without dead ends: 15 [2024-11-28 04:35:29,763 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:35:29,768 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 04:35:29,771 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 46 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 04:35:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-28 04:35:29,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-28 04:35:29,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 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) [2024-11-28 04:35:29,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-28 04:35:29,821 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-28 04:35:29,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 04:35:29,823 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-28 04:35:29,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-28 04:35:29,824 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-28 04:35:29,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-28 04:35:29,826 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 04:35:29,826 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:35:29,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-28 04:35:30,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:30,028 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-28 04:35:30,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:35:30,029 INFO L85 PathProgramCache]: Analyzing trace with hash 1714366711, now seen corresponding path program 1 times [2024-11-28 04:35:30,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 04:35:30,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1826585585] [2024-11-28 04:35:30,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:35:30,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:30,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:35:30,033 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 04:35:30,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 04:35:30,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:35:30,177 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 04:35:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 04:35:30,244 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-28 04:35:30,244 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 04:35:30,267 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-28 04:35:30,270 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-28 04:35:30,282 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-28 04:35:30,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 04:35:30,474 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-28 04:35:30,506 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:35:30,513 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:35:30 BoogieIcfgContainer [2024-11-28 04:35:30,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:35:30,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:35:30,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:35:30,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:35:30,517 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:35:29" (3/4) ... [2024-11-28 04:35:30,520 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 04:35:30,523 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:35:30,524 INFO L158 Benchmark]: Toolchain (without parser) took 3713.14ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 49.6MB in the end (delta: 7.8MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:30,525 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:30,525 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1797.53ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2024-11-28 04:35:30,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.28ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:30,527 INFO L158 Benchmark]: Boogie Preprocessor took 63.40ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:30,527 INFO L158 Benchmark]: RCFGBuilder took 448.06ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 32.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:35:30,528 INFO L158 Benchmark]: TraceAbstraction took 1299.24ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 49.6MB in the end (delta: -17.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2024-11-28 04:35:30,530 INFO L158 Benchmark]: Witness Printer took 9.39ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 3.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:35:30,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory is still 64.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1797.53ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 50.9MB in the end (delta: 6.2MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.28ms. Allocated memory is still 83.9MB. Free memory was 50.9MB in the beginning and 48.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.40ms. Allocated memory is still 83.9MB. Free memory was 48.2MB in the beginning and 46.1MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 448.06ms. Allocated memory is still 83.9MB. Free memory was 46.1MB in the beginning and 32.6MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1299.24ms. Allocated memory is still 83.9MB. Free memory was 32.2MB in the beginning and 49.6MB in the end (delta: -17.4MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. * Witness Printer took 9.39ms. Allocated memory is still 83.9MB. Free memory was 49.6MB in the beginning and 49.6MB in the end (delta: 3.8kB). 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: 1583]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of fgets at line 1555. 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] [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_multiply_52_bad() [L1551] int data; [L1552] data = 0 [L1554] 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] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_52b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_52c_badSink(data) [L1581] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1583] data * 2 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: 1583]: 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: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 46 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 21 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 ConjunctsInSsa, 2 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 04:35:30,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_697e8a02-e2b8-4945-88b9-1424ff06e11a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample