./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_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_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1 --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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:39:49,150 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:39:49,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-12-02 07:39:49,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:39:49,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:39:49,235 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:39:49,235 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:39:49,235 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:39:49,236 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:39:49,236 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:39:49,236 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:39:49,236 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:39:49,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:39:49,237 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 07:39:49,237 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:39:49,238 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:39:49,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:39:49,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:39:49,239 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:39:49,239 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:39:49,240 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_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1 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 -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2024-12-02 07:39:49,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:39:49,486 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:39:49,488 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:39:49,489 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:39:49,490 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:39:49,491 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:39:52,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/fff50b274/eab43ccf09b543aaa59925cdc628a5b8/FLAG3f1f6f10e [2024-12-02 07:39:52,428 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:39:52,429 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:39:52,447 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/fff50b274/eab43ccf09b543aaa59925cdc628a5b8/FLAG3f1f6f10e [2024-12-02 07:39:52,694 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/fff50b274/eab43ccf09b543aaa59925cdc628a5b8 [2024-12-02 07:39:52,696 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:39:52,697 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:39:52,698 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:39:52,698 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:39:52,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:39:52,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:39:52" (1/1) ... [2024-12-02 07:39:52,702 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a81e77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:52, skipping insertion in model container [2024-12-02 07:39:52,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:39:52" (1/1) ... [2024-12-02 07:39:52,737 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:39:53,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:39:53,412 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:39:53,487 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:39:53,583 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:39:53,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53 WrapperNode [2024-12-02 07:39:53,584 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:39:53,584 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:39:53,584 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:39:53,584 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:39:53,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,609 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,624 INFO L138 Inliner]: procedures = 498, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-12-02 07:39:53,624 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:39:53,625 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:39:53,625 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:39:53,625 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:39:53,632 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,634 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,643 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [1, 4]. 80 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-12-02 07:39:53,644 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,644 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,647 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,649 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:39:53,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:39:53,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:39:53,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:39:53,653 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (1/1) ... [2024-12-02 07:39:53,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:39:53,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:39:53,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:39:53,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:39:53,699 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 07:39:53,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:39:53,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:39:53,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:39:53,815 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:39:53,816 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:39:53,912 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-12-02 07:39:53,913 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:39:53,920 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:39:53,920 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:39:53,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:39:53 BoogieIcfgContainer [2024-12-02 07:39:53,921 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:39:53,923 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:39:53,923 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:39:53,926 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:39:53,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:39:52" (1/3) ... [2024-12-02 07:39:53,927 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2971f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:39:53, skipping insertion in model container [2024-12-02 07:39:53,927 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:39:53" (2/3) ... [2024-12-02 07:39:53,928 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2971f1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:39:53, skipping insertion in model container [2024-12-02 07:39:53,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:39:53" (3/3) ... [2024-12-02 07:39:53,929 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:39:53,940 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:39:53,942 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_add_32_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 07:39:53,982 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:39:53,992 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;@45252e87, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:39:53,992 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 07:39:53,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-12-02 07:39:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 07:39:54,000 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:39:54,000 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:39:54,000 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 07:39:54,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:39:54,004 INFO L85 PathProgramCache]: Analyzing trace with hash -1755060030, now seen corresponding path program 1 times [2024-12-02 07:39:54,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:39:54,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647932304] [2024-12-02 07:39:54,010 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:39:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:39:54,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:39:54,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:39:54,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:39:54,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647932304] [2024-12-02 07:39:54,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647932304] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:39:54,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:39:54,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:39:54,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56459764] [2024-12-02 07:39:54,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:39:54,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:39:54,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:39:54,482 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:39:54,482 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:39:54,484 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 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 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2024-12-02 07:39:54,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:39:54,523 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-12-02 07:39:54,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:39:54,525 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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 [2024-12-02 07:39:54,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:39:54,529 INFO L225 Difference]: With dead ends: 22 [2024-12-02 07:39:54,529 INFO L226 Difference]: Without dead ends: 14 [2024-12-02 07:39:54,531 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:39:54,533 INFO L435 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:39:54,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:39:54,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-12-02 07:39:54,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-12-02 07:39:54,569 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) [2024-12-02 07:39:54,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-12-02 07:39:54,573 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2024-12-02 07:39:54,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:39:54,574 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-12-02 07:39:54,575 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.25) internal successors, (9), 5 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) [2024-12-02 07:39:54,575 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-02 07:39:54,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 07:39:54,576 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:39:54,576 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:39:54,576 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 07:39:54,576 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 07:39:54,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:39:54,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1427713972, now seen corresponding path program 1 times [2024-12-02 07:39:54,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:39:54,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018594308] [2024-12-02 07:39:54,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:39:54,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:39:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:39:54,611 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:39:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:39:54,642 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:39:54,642 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:39:54,643 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 07:39:54,645 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 07:39:54,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:39:54,649 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 07:39:54,669 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:39:54,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:39:54 BoogieIcfgContainer [2024-12-02 07:39:54,672 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:39:54,672 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:39:54,672 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:39:54,673 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:39:54,673 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:39:53" (3/4) ... [2024-12-02 07:39:54,675 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:39:54,676 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:39:54,677 INFO L158 Benchmark]: Toolchain (without parser) took 1979.91ms. Allocated memory is still 142.6MB. Free memory was 113.2MB in the beginning and 100.1MB in the end (delta: 13.2MB). Peak memory consumption was 15.8MB. Max. memory is 16.1GB. [2024-12-02 07:39:54,677 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:39:54,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 885.96ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 53.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-02 07:39:54,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.88ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 111.8MB in the end (delta: -58.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-12-02 07:39:54,678 INFO L158 Benchmark]: Boogie Preprocessor took 27.53ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:39:54,678 INFO L158 Benchmark]: RCFGBuilder took 268.53ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 96.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:39:54,678 INFO L158 Benchmark]: TraceAbstraction took 749.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 100.1MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:39:54,679 INFO L158 Benchmark]: Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 100.1MB in the end (delta: 9.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:39:54,680 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 82.7MB in the beginning and 82.7MB in the end (delta: 33.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 885.96ms. Allocated memory is still 142.6MB. Free memory was 113.0MB in the beginning and 53.4MB in the end (delta: 59.6MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.88ms. Allocated memory is still 142.6MB. Free memory was 53.4MB in the beginning and 111.8MB in the end (delta: -58.3MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.53ms. Allocated memory is still 142.6MB. Free memory was 111.8MB in the beginning and 109.9MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 268.53ms. Allocated memory is still 142.6MB. Free memory was 109.9MB in the beginning and 96.3MB in the end (delta: 13.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 749.10ms. Allocated memory is still 142.6MB. Free memory was 95.7MB in the beginning and 100.1MB in the end (delta: -4.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.75ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 100.1MB in the end (delta: 9.0kB). 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: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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] [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={14:0}, dataPtr2={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data + 1 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: 1572]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 20 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 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 [2024-12-02 07:39:54,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/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_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1 --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 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:39:56,648 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:39:56,727 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-12-02 07:39:56,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:39:56,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:39:56,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-12-02 07:39:56,753 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:39:56,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:39:56,754 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:39:56,754 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:39:56,754 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:39:56,754 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:39:56,755 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:39:56,755 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:39:56,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:39:56,756 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:39:56,757 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:39:56,757 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:39:56,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:39:56,758 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:39:56,758 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:39:56,758 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_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1 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 -> 91e3a7abfdbbfc0d2fd5858d81c6ca24af89d28b5d45d27832edb15e832139d1 [2024-12-02 07:39:56,980 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:39:56,989 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:39:56,991 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:39:56,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:39:56,993 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:39:56,994 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:39:59,704 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/5c04db895/ea16809b4e6244c7bbb8f8d3fe270778/FLAG8ac55ce5f [2024-12-02 07:39:59,984 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:39:59,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:40:00,005 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/5c04db895/ea16809b4e6244c7bbb8f8d3fe270778/FLAG8ac55ce5f [2024-12-02 07:40:00,249 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/data/5c04db895/ea16809b4e6244c7bbb8f8d3fe270778 [2024-12-02 07:40:00,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:40:00,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:40:00,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:40:00,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:40:00,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:40:00,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:40:00" (1/1) ... [2024-12-02 07:40:00,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cef9e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:00, skipping insertion in model container [2024-12-02 07:40:00,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:40:00" (1/1) ... [2024-12-02 07:40:00,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:40:00,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:40:00,935 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:40:01,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:40:01,111 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:40:01,112 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01 WrapperNode [2024-12-02 07:40:01,112 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:40:01,113 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:40:01,113 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:40:01,113 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:40:01,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,154 INFO L138 Inliner]: procedures = 503, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-12-02 07:40:01,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:40:01,155 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:40:01,155 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:40:01,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:40:01,162 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,162 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,165 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,179 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [1, 4]. 80 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-12-02 07:40:01,180 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,180 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,188 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,189 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,190 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,193 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,194 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,197 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:40:01,198 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:40:01,198 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:40:01,198 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:40:01,199 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (1/1) ... [2024-12-02 07:40:01,204 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:40:01,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:40:01,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:40:01,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:40:01,247 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-12-02 07:40:01,247 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:40:01,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 07:40:01,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 07:40:01,363 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:40:01,365 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:40:01,492 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-12-02 07:40:01,492 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:40:01,500 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:40:01,501 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-02 07:40:01,501 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:01 BoogieIcfgContainer [2024-12-02 07:40:01,501 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:40:01,503 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:40:01,503 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:40:01,508 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:40:01,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:40:00" (1/3) ... [2024-12-02 07:40:01,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a2ba9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:01, skipping insertion in model container [2024-12-02 07:40:01,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:40:01" (2/3) ... [2024-12-02 07:40:01,509 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a2ba9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:40:01, skipping insertion in model container [2024-12-02 07:40:01,509 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:01" (3/3) ... [2024-12-02 07:40:01,510 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_32_bad.i [2024-12-02 07:40:01,524 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:40:01,525 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_add_32_bad.i that has 2 procedures, 22 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-12-02 07:40:01,566 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:40:01,576 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;@3733599a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:40:01,576 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-12-02 07:40:01,580 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-12-02 07:40:01,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 07:40:01,585 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:40:01,586 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:40:01,586 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 07:40:01,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:40:01,591 INFO L85 PathProgramCache]: Analyzing trace with hash -1755060030, now seen corresponding path program 1 times [2024-12-02 07:40:01,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:40:01,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [403725039] [2024-12-02 07:40:01,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:40:01,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:40:01,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:40:01,604 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:40:01,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:40:01,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:40:01,740 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:40:01,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:40:01,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 07:40:01,758 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:40:01,759 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:40:01,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403725039] [2024-12-02 07:40:01,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [403725039] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:40:01,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:40:01,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-12-02 07:40:01,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491194297] [2024-12-02 07:40:01,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:40:01,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:40:01,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:40:01,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:40:01,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:40:01,779 INFO L87 Difference]: Start difference. First operand has 22 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 18 states have internal predecessors, (19), 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) [2024-12-02 07:40:01,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:40:01,790 INFO L93 Difference]: Finished difference Result 22 states and 25 transitions. [2024-12-02 07:40:01,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:40:01,791 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 [2024-12-02 07:40:01,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:40:01,795 INFO L225 Difference]: With dead ends: 22 [2024-12-02 07:40:01,795 INFO L226 Difference]: Without dead ends: 14 [2024-12-02 07:40:01,797 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:40:01,800 INFO L435 NwaCegarLoop]: 24 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, 24 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 [2024-12-02 07:40:01,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:40:01,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2024-12-02 07:40:01,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2024-12-02 07:40:01,828 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) [2024-12-02 07:40:01,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2024-12-02 07:40:01,833 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 16 transitions. Word has length 11 [2024-12-02 07:40:01,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:40:01,834 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 16 transitions. [2024-12-02 07:40:01,834 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) [2024-12-02 07:40:01,834 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2024-12-02 07:40:01,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 07:40:01,835 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:40:01,835 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:40:01,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:40:02,035 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:40:02,036 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-12-02 07:40:02,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:40:02,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1427713972, now seen corresponding path program 1 times [2024-12-02 07:40:02,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:40:02,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [66285961] [2024-12-02 07:40:02,037 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:40:02,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:40:02,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:40:02,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:40:02,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:40:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:40:02,161 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:40:02,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:40:02,234 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-12-02 07:40:02,234 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:40:02,235 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-12-02 07:40:02,237 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-12-02 07:40:02,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:40:02,437 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:40:02,440 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 07:40:02,457 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:40:02,459 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:40:02 BoogieIcfgContainer [2024-12-02 07:40:02,459 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:40:02,460 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:40:02,460 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:40:02,460 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:40:02,461 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:40:01" (3/4) ... [2024-12-02 07:40:02,462 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:40:02,463 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:40:02,464 INFO L158 Benchmark]: Toolchain (without parser) took 2211.66ms. Allocated memory is still 92.3MB. Free memory was 66.6MB in the beginning and 37.9MB in the end (delta: 28.7MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-12-02 07:40:02,464 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:40:02,464 INFO L158 Benchmark]: CACSL2BoogieTranslator took 859.60ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 61.4MB in the end (delta: 5.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. [2024-12-02 07:40:02,464 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.16ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:40:02,465 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:40:02,465 INFO L158 Benchmark]: RCFGBuilder took 303.19ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 41.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:40:02,465 INFO L158 Benchmark]: TraceAbstraction took 956.23ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 37.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-12-02 07:40:02,466 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 92.3MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:40:02,467 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 859.60ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 61.4MB in the end (delta: 5.0MB). Peak memory consumption was 47.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.16ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 58.7MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 92.3MB. Free memory was 58.7MB in the beginning and 56.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 303.19ms. Allocated memory is still 92.3MB. Free memory was 56.4MB in the beginning and 41.9MB in the end (delta: 14.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 956.23ms. Allocated memory is still 92.3MB. Free memory was 41.1MB in the beginning and 37.9MB in the end (delta: 3.2MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 92.3MB. Free memory was 37.9MB in the beginning and 37.9MB in the end (delta: 18.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 1572]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1560, overapproximation of fgets at line 1558. 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] [L1580] 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) [L1580] 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_32_bad() [L1550] int data; [L1551] int *dataPtr1 = &data; [L1552] int *dataPtr2 = &data; [L1553] data = 0 [L1555] EXPR \read(*dataPtr1) [L1555] int data = *dataPtr1; [L1557] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, dataPtr1={5:0}, dataPtr2={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1558] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1560] data = atoi(inputBuffer) [L1567] *dataPtr1 = data [L1570] EXPR \read(*dataPtr2) [L1570] int data = *dataPtr2; [L1572] data + 1 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: 1572]: 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, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 24 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, 24 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22occurred 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, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 86 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-02 07:40:02,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5a352ea8-4eb2-4c42-87b0-b16b278426c6/bin/uautomizer-verify-84ZbGMXZE1/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