./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC --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 d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:21,058 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:21,176 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 00:33:21,185 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:21,186 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:21,231 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:21,233 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:21,233 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:21,234 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:21,234 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:21,235 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:33:21,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:33:21,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:21,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:21,237 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:21,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:21,238 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:33:21,238 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:33:21,238 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:33:21,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:21,240 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:21,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:21,240 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:33:21,240 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:21,240 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:21,240 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:21,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:21,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:21,242 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:21,242 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:21,242 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:21,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:21,243 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:33:21,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:33:21,244 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:33:21,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:33:21,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:33:21,244 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_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC 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 -> d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f [2024-11-24 00:33:21,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:21,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:21,591 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:21,592 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:21,593 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:21,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:25,154 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/d72bfe9a9/1664fddcdd5d4dce9cdf7e556931eb2c/FLAG99d8459a9 [2024-11-24 00:33:25,837 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:25,839 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:25,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/d72bfe9a9/1664fddcdd5d4dce9cdf7e556931eb2c/FLAG99d8459a9 [2024-11-24 00:33:26,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/d72bfe9a9/1664fddcdd5d4dce9cdf7e556931eb2c [2024-11-24 00:33:26,237 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:26,240 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:26,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:26,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:26,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:26,253 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:26" (1/1) ... [2024-11-24 00:33:26,254 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a78d148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:26, skipping insertion in model container [2024-11-24 00:33:26,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:26" (1/1) ... [2024-11-24 00:33:26,345 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:33:28,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:28,432 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:33:28,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:28,863 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:33:28,864 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28 WrapperNode [2024-11-24 00:33:28,864 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:28,865 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:28,865 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:33:28,865 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:33:28,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:28,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:28,955 INFO L138 Inliner]: procedures = 937, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-24 00:33:28,955 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:28,956 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:33:28,958 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:33:28,958 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:33:28,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:28,970 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:28,977 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,003 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-24 00:33:29,007 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,007 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,017 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,022 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,027 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,029 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,030 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,033 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:33:29,034 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:33:29,034 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:33:29,034 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:33:29,035 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (1/1) ... [2024-11-24 00:33:29,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:29,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:29,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:29,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:33:29,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:33:29,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:33:29,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 00:33:29,110 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:33:29,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:33:29,282 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:33:29,283 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:33:29,433 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-24 00:33:29,433 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:33:29,442 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:33:29,443 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:33:29,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:29 BoogieIcfgContainer [2024-11-24 00:33:29,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:33:29,449 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:33:29,450 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:33:29,454 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:33:29,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:26" (1/3) ... [2024-11-24 00:33:29,455 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2670ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:29, skipping insertion in model container [2024-11-24 00:33:29,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:28" (2/3) ... [2024-11-24 00:33:29,456 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2670ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:29, skipping insertion in model container [2024-11-24 00:33:29,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:29" (3/3) ... [2024-11-24 00:33:29,457 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:29,474 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:33:29,476 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_67_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 00:33:29,555 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:33:29,574 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;@383c07bf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:33:29,574 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 00:33:29,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) [2024-11-24 00:33:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 00:33:29,587 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:29,588 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:29,589 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 00:33:29,595 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:29,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2024-11-24 00:33:29,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:29,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316406005] [2024-11-24 00:33:29,606 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:29,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:29,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:33:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:33:29,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:33:29,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [316406005] [2024-11-24 00:33:29,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [316406005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:33:29,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:33:29,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 00:33:29,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422925376] [2024-11-24 00:33:29,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:33:29,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:33:29,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:33:29,934 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:33:29,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:33:29,937 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-24 00:33:29,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:33:29,955 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-24 00:33:29,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:33:29,957 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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 11 [2024-11-24 00:33:29,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:33:29,963 INFO L225 Difference]: With dead ends: 23 [2024-11-24 00:33:29,964 INFO L226 Difference]: Without dead ends: 14 [2024-11-24 00:33:29,967 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:33:29,972 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:33:29,975 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:33:29,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-11-24 00:33:30,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-11-24 00:33:30,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 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) [2024-11-24 00:33:30,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-11-24 00:33:30,008 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2024-11-24 00:33:30,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:33:30,010 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-11-24 00:33:30,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2024-11-24 00:33:30,010 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-11-24 00:33:30,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 00:33:30,011 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:30,012 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:30,012 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:33:30,012 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 00:33:30,013 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:30,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1091945264, now seen corresponding path program 1 times [2024-11-24 00:33:30,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:33:30,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615106120] [2024-11-24 00:33:30,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:30,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:33:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-24 00:33:30,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [611434505] [2024-11-24 00:33:30,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:30,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:30,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:30,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:33:30,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:33:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:30,301 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:33:30,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:30,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:33:30,360 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:33:30,362 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 00:33:30,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 00:33:30,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-24 00:33:30,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:30,568 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 00:33:30,592 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:33:30,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:33:30 BoogieIcfgContainer [2024-11-24 00:33:30,595 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:33:30,596 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:33:30,596 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:33:30,597 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:33:30,597 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:29" (3/4) ... [2024-11-24 00:33:30,600 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:33:30,601 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:33:30,601 INFO L158 Benchmark]: Toolchain (without parser) took 4361.87ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 84.6MB in the end (delta: 15.1MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-11-24 00:33:30,602 INFO L158 Benchmark]: CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:30,602 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2622.53ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 86.9MB in the end (delta: 12.8MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:30,602 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.80ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 83.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:30,603 INFO L158 Benchmark]: Boogie Preprocessor took 76.91ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:30,603 INFO L158 Benchmark]: RCFGBuilder took 413.44ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 68.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:30,603 INFO L158 Benchmark]: TraceAbstraction took 1146.17ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 84.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:30,604 INFO L158 Benchmark]: Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 21.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:33:30,606 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2622.53ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 86.9MB in the end (delta: 12.8MB). Peak memory consumption was 96.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.80ms. Allocated memory is still 142.6MB. Free memory was 86.9MB in the beginning and 83.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 76.91ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 81.7MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 413.44ms. Allocated memory is still 142.6MB. Free memory was 81.7MB in the beginning and 68.6MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1146.17ms. Allocated memory is still 142.6MB. Free memory was 67.8MB in the beginning and 84.7MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.48ms. Allocated memory is still 142.6MB. Free memory was 84.7MB in the beginning and 84.6MB in the end (delta: 21.0kB). 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: 1867]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1846, overapproximation of fgets at line 1844. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1859] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1860] CALL CWE190_Integer_Overflow__int_fgets_square_67_bad() [L1839] int data; [L1840] CWE190_Integer_Overflow__int_fgets_square_67_structType myStruct; [L1841] data = 0 [L1843] 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, myStruct={5:0}] [L1844] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1846] data = atoi(inputBuffer) [L1853] myStruct.structFirst = data [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_67b_badSink(myStruct) [L1865] EXPR myStruct.structFirst [L1865] int data = myStruct.structFirst; [L1867] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1867]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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 [2024-11-24 00:33:30,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/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: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC --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 d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:33,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:33,897 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-24 00:33:33,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:33,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:33,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-24 00:33:33,936 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:33,937 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:33,937 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:33,937 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:33,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:33,938 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:33:33,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:33:33,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:33,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:33,938 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:33,938 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:33:33,939 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:33,940 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:33,940 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:33,941 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:33,941 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:33,942 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:33:33,942 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:33:33,943 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:33:33,943 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:33:33,943 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:33:33,943 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_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC 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 -> d58aef03dc2fe431ae64b58dbfc6212a753bbb0cfd9075d0625dfccf3065615f [2024-11-24 00:33:34,409 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:34,420 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:34,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:34,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:34,426 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:34,427 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:37,719 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/94da177b2/427d7ca9312d4f38a3ff38a78020114f/FLAGa16a8213b [2024-11-24 00:33:38,448 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:38,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:38,501 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/94da177b2/427d7ca9312d4f38a3ff38a78020114f/FLAGa16a8213b [2024-11-24 00:33:38,532 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/data/94da177b2/427d7ca9312d4f38a3ff38a78020114f [2024-11-24 00:33:38,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:38,541 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:38,545 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:38,545 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:38,551 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:38,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:38" (1/1) ... [2024-11-24 00:33:38,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6730f19a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:38, skipping insertion in model container [2024-11-24 00:33:38,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:38" (1/1) ... [2024-11-24 00:33:38,650 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:33:41,017 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:41,040 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:33:41,286 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:33:41,836 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:33:41,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41 WrapperNode [2024-11-24 00:33:41,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:41,841 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:41,841 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:33:41,842 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:33:41,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,892 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,926 INFO L138 Inliner]: procedures = 942, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 71 [2024-11-24 00:33:41,926 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:33:41,927 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:33:41,927 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:33:41,928 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:33:41,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,946 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,966 INFO L175 MemorySlicer]: Split 5 memory accesses to 3 slices as follows [1, 2, 2]. 40 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-24 00:33:41,966 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,980 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,982 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,984 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:41,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:33:41,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:33:41,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:33:41,997 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:33:41,998 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (1/1) ... [2024-11-24 00:33:42,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:42,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:42,054 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:33:42,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:33:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:33:42,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:33:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:33:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:33:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 00:33:42,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 00:33:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:33:42,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:33:42,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:33:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:33:42,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:33:42,334 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:33:42,336 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:33:45,092 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-24 00:33:45,092 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:33:45,105 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:33:45,105 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 00:33:45,105 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:45 BoogieIcfgContainer [2024-11-24 00:33:45,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:33:45,110 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:33:45,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:33:45,116 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:33:45,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:38" (1/3) ... [2024-11-24 00:33:45,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4354c621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:45, skipping insertion in model container [2024-11-24 00:33:45,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:41" (2/3) ... [2024-11-24 00:33:45,118 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4354c621 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:33:45, skipping insertion in model container [2024-11-24 00:33:45,118 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:45" (3/3) ... [2024-11-24 00:33:45,120 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_67_bad.i [2024-11-24 00:33:45,135 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:33:45,137 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_square_67_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 00:33:45,198 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:33:45,210 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;@2f5a3297, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:33:45,210 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 00:33:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 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) [2024-11-24 00:33:45,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 00:33:45,222 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:33:45,223 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:33:45,223 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 00:33:45,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:33:45,229 INFO L85 PathProgramCache]: Analyzing trace with hash -1073154618, now seen corresponding path program 1 times [2024-11-24 00:33:45,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:33:45,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1147383140] [2024-11-24 00:33:45,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:33:45,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:45,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:33:45,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:33:45,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:33:46,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:46,205 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:33:47,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:33:47,707 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 00:33:47,710 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:33:47,711 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 00:33:47,717 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 00:33:47,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:33:47,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:33:47,922 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2024-11-24 00:33:47,951 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:33:47,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:33:47 BoogieIcfgContainer [2024-11-24 00:33:47,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:33:47,955 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:33:47,956 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:33:47,956 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:33:47,957 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:33:45" (3/4) ... [2024-11-24 00:33:47,961 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:33:47,962 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:33:47,963 INFO L158 Benchmark]: Toolchain (without parser) took 9422.43ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 89.0MB in the beginning and 113.0MB in the end (delta: -24.0MB). Peak memory consumption was 96.6MB. Max. memory is 16.1GB. [2024-11-24 00:33:47,963 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:47,964 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3297.72ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.8MB in the beginning and 156.2MB in the end (delta: -67.4MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-11-24 00:33:47,964 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.57ms. Allocated memory is still 234.9MB. Free memory was 156.2MB in the beginning and 152.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:47,964 INFO L158 Benchmark]: Boogie Preprocessor took 67.44ms. Allocated memory is still 234.9MB. Free memory was 152.2MB in the beginning and 150.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:47,965 INFO L158 Benchmark]: RCFGBuilder took 3111.11ms. Allocated memory is still 234.9MB. Free memory was 150.2MB in the beginning and 133.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:33:47,965 INFO L158 Benchmark]: TraceAbstraction took 2844.61ms. Allocated memory is still 234.9MB. Free memory was 133.1MB in the beginning and 113.0MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-24 00:33:47,965 INFO L158 Benchmark]: Witness Printer took 6.53ms. Allocated memory is still 234.9MB. Free memory is still 113.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:33:47,968 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory is still 83.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3297.72ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 88.8MB in the beginning and 156.2MB in the end (delta: -67.4MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.57ms. Allocated memory is still 234.9MB. Free memory was 156.2MB in the beginning and 152.2MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 67.44ms. Allocated memory is still 234.9MB. Free memory was 152.2MB in the beginning and 150.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 3111.11ms. Allocated memory is still 234.9MB. Free memory was 150.2MB in the beginning and 133.5MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2844.61ms. Allocated memory is still 234.9MB. Free memory was 133.1MB in the beginning and 113.0MB in the end (delta: 20.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 6.53ms. Allocated memory is still 234.9MB. Free memory is still 113.0MB. 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: 1867]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1846, overapproximation of fgets at line 1844. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1859] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1860] CALL CWE190_Integer_Overflow__int_fgets_square_67_bad() [L1839] int data; [L1840] CWE190_Integer_Overflow__int_fgets_square_67_structType myStruct; [L1841] data = 0 [L1843] 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, myStruct={1048577:0}] [L1844] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1846] data = atoi(inputBuffer) [L1853] myStruct.structFirst = data [L1854] CALL CWE190_Integer_Overflow__int_fgets_square_67b_badSink(myStruct) [L1865] EXPR myStruct.structFirst [L1865] int data = myStruct.structFirst; [L1867] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1867]: 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, 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=23occurred 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, 0.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:33:47,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cfa50f8a-7172-498b-ab72-7a93e4ce5451/bin/uautomizer-verify-LYvppIcaGC/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