./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:09:05,524 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:09:05,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 02:09:05,631 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:09:05,632 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:09:05,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:09:05,674 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:09:05,674 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:09:05,675 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:09:05,675 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:09:05,675 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:09:05,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:09:05,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:09:05,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:09:05,676 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:09:05,677 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:05,677 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:05,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:05,678 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:09:05,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:09:05,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:09:05,679 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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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 -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2024-11-24 02:09:06,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:09:06,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:09:06,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:09:06,073 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:09:06,074 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:09:06,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:09,130 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/05c1c1553/dbbfe94815d240cda2b82155d811efee/FLAGe6e033fea [2024-11-24 02:09:09,588 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:09:09,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:09,614 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/05c1c1553/dbbfe94815d240cda2b82155d811efee/FLAGe6e033fea [2024-11-24 02:09:09,633 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/05c1c1553/dbbfe94815d240cda2b82155d811efee [2024-11-24 02:09:09,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:09:09,640 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:09:09,643 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:09,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:09:09,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:09:09,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:09" (1/1) ... [2024-11-24 02:09:09,653 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5f9b76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:09, skipping insertion in model container [2024-11-24 02:09:09,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:09" (1/1) ... [2024-11-24 02:09:09,724 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:09:10,679 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:10,693 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:09:10,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:11,038 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:09:11,038 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11 WrapperNode [2024-11-24 02:09:11,038 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:11,039 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:11,039 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:09:11,041 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:09:11,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,076 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,103 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2024-11-24 02:09:11,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:11,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:09:11,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:09:11,104 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:09:11,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,114 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,117 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,137 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-24 02:09:11,138 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,138 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,142 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,143 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,146 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,147 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,149 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:09:11,150 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:09:11,150 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:09:11,150 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:09:11,151 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (1/1) ... [2024-11-24 02:09:11,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:11,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:11,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:09:11,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:09:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 02:09:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 02:09:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:09:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:09:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:09:11,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:09:11,436 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:09:11,439 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:09:11,666 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-24 02:09:11,666 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:09:11,676 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:09:11,676 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 02:09:11,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:11 BoogieIcfgContainer [2024-11-24 02:09:11,676 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:09:11,679 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:09:11,679 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:09:11,684 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:09:11,684 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:09:09" (1/3) ... [2024-11-24 02:09:11,685 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6204e854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:11, skipping insertion in model container [2024-11-24 02:09:11,685 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:11" (2/3) ... [2024-11-24 02:09:11,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6204e854 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:11, skipping insertion in model container [2024-11-24 02:09:11,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:11" (3/3) ... [2024-11-24 02:09:11,687 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:11,704 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:09:11,706 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 02:09:11,778 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:09:11,798 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;@30c17bbf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:09:11,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 02:09:11,802 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 02:09:11,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 02:09:11,811 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:11,812 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:11,812 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:11,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:11,819 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2024-11-24 02:09:11,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:11,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717103551] [2024-11-24 02:09:11,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:12,304 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 02:09:12,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:09:12,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717103551] [2024-11-24 02:09:12,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717103551] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:12,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:09:12,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 02:09:12,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339954922] [2024-11-24 02:09:12,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:12,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:09:12,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:09:12,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:09:12,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:09:12,345 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:09:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:12,411 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-11-24 02:09:12,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:09:12,413 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-24 02:09:12,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:12,420 INFO L225 Difference]: With dead ends: 25 [2024-11-24 02:09:12,420 INFO L226 Difference]: Without dead ends: 15 [2024-11-24 02:09:12,423 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:09:12,429 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 3 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:12,430 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 61 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:09:12,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-24 02:09:12,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 02:09:12,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 02:09:12,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-24 02:09:12,491 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-24 02:09:12,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:12,494 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 02:09:12,494 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:09:12,494 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 02:09:12,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 02:09:12,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:12,495 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:12,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:09:12,496 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:12,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:12,496 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2024-11-24 02:09:12,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:09:12,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861029057] [2024-11-24 02:09:12,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:09:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:12,553 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:09:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:12,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:09:12,625 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:09:12,627 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 02:09:12,629 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 02:09:12,630 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:09:12,634 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 02:09:12,663 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:09:12,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:09:12 BoogieIcfgContainer [2024-11-24 02:09:12,673 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:09:12,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:09:12,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:09:12,674 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:09:12,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:11" (3/4) ... [2024-11-24 02:09:12,679 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:09:12,680 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:09:12,681 INFO L158 Benchmark]: Toolchain (without parser) took 3041.91ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.5MB in the beginning and 312.2MB in the end (delta: -221.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:09:12,681 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:12,682 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1396.20ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 80.5MB in the end (delta: 10.0MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. [2024-11-24 02:09:12,682 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.95ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:09:12,683 INFO L158 Benchmark]: Boogie Preprocessor took 45.87ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:12,686 INFO L158 Benchmark]: RCFGBuilder took 526.30ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 63.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:09:12,686 INFO L158 Benchmark]: TraceAbstraction took 994.59ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.1MB in the beginning and 312.2MB in the end (delta: -249.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:12,687 INFO L158 Benchmark]: Witness Printer took 6.15ms. Allocated memory is still 352.3MB. Free memory was 312.2MB in the beginning and 312.2MB in the end (delta: 11.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:12,691 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 167.8MB. Free memory is still 104.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1396.20ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 80.5MB in the end (delta: 10.0MB). Peak memory consumption was 66.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.95ms. Allocated memory is still 117.4MB. Free memory was 80.5MB in the beginning and 77.9MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.87ms. Allocated memory is still 117.4MB. Free memory was 77.9MB in the beginning and 76.0MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 526.30ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 63.7MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 994.59ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 63.1MB in the beginning and 312.2MB in the end (delta: -249.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.15ms. Allocated memory is still 352.3MB. Free memory was 312.2MB in the beginning and 312.2MB in the end (delta: 11.7kB). 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, 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: 1582]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 38 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 23 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 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 02:09:12,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:09:15,505 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:09:15,651 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-24 02:09:15,665 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:09:15,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:09:15,666 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-24 02:09:15,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:09:15,731 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:09:15,732 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:09:15,732 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:09:15,735 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:09:15,736 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:09:15,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:09:15,737 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:09:15,737 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:09:15,737 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:09:15,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:09:15,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:09:15,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:09:15,738 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:09:15,739 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:15,739 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:09:15,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:15,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:09:15,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:09:15,741 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:09:15,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:09:15,741 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:09:15,742 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:09:15,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:09:15,742 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:09:15,742 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:09:15,742 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:09:15,742 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_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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 -> 32bdd24633479d54d31fbf9834fe1e267b64d208741446e6a4fd783c5e315546 [2024-11-24 02:09:16,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:09:16,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:09:16,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:09:16,040 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:09:16,040 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:09:16,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:18,987 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/a0a5e1572/5555d8be1315488ea45a8908b1af727b/FLAG2b1c5d345 [2024-11-24 02:09:19,496 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:09:19,497 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:19,539 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/a0a5e1572/5555d8be1315488ea45a8908b1af727b/FLAG2b1c5d345 [2024-11-24 02:09:19,563 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/data/a0a5e1572/5555d8be1315488ea45a8908b1af727b [2024-11-24 02:09:19,566 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:09:19,569 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:09:19,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:19,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:09:19,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:09:19,580 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:19" (1/1) ... [2024-11-24 02:09:19,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@349c25b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:19, skipping insertion in model container [2024-11-24 02:09:19,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:09:19" (1/1) ... [2024-11-24 02:09:19,643 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:09:20,525 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:20,537 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:09:20,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:09:20,782 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:09:20,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20 WrapperNode [2024-11-24 02:09:20,783 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:09:20,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:20,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:09:20,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:09:20,791 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,841 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2024-11-24 02:09:20,842 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:09:20,842 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:09:20,843 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:09:20,843 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:09:20,852 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,852 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,855 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,868 INFO L175 MemorySlicer]: Split 1 memory accesses to 1 slices as follows [1]. 100 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1]. The 0 writes are split as follows [0]. [2024-11-24 02:09:20,868 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,868 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,876 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,877 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,879 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,882 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,883 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,887 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:09:20,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:09:20,888 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:09:20,888 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:09:20,889 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (1/1) ... [2024-11-24 02:09:20,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:09:20,910 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:20,924 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:09:20,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:09:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 02:09:20,951 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 02:09:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:09:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:09:20,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:09:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:09:21,174 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:09:21,176 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:09:21,341 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-24 02:09:21,341 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:09:21,351 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:09:21,351 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 02:09:21,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:21 BoogieIcfgContainer [2024-11-24 02:09:21,352 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:09:21,354 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:09:21,354 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:09:21,359 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:09:21,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:09:19" (1/3) ... [2024-11-24 02:09:21,360 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68242f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:21, skipping insertion in model container [2024-11-24 02:09:21,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:09:20" (2/3) ... [2024-11-24 02:09:21,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68242f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:09:21, skipping insertion in model container [2024-11-24 02:09:21,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:21" (3/3) ... [2024-11-24 02:09:21,363 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i [2024-11-24 02:09:21,380 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:09:21,382 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_preinc_22_bad.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 02:09:21,439 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:09:21,452 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;@d38da51, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:09:21,454 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 02:09:21,458 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 02:09:21,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 02:09:21,465 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:21,466 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:21,467 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:21,472 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:21,474 INFO L85 PathProgramCache]: Analyzing trace with hash 252523526, now seen corresponding path program 1 times [2024-11-24 02:09:21,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:09:21,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [477211211] [2024-11-24 02:09:21,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:21,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:21,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:21,490 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:09:21,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:09:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:09:21,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 02:09:21,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:09:21,767 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 02:09:21,767 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:09:21,768 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:09:21,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477211211] [2024-11-24 02:09:21,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477211211] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:09:21,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:09:21,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 02:09:21,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326992461] [2024-11-24 02:09:21,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:09:21,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 02:09:21,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:09:21,794 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 02:09:21,795 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 02:09:21,797 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 20 states have internal predecessors, (22), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:09:21,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:09:21,814 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2024-11-24 02:09:21,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 02:09:21,816 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-24 02:09:21,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:09:21,823 INFO L225 Difference]: With dead ends: 24 [2024-11-24 02:09:21,824 INFO L226 Difference]: Without dead ends: 15 [2024-11-24 02:09:21,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 11 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 02:09:21,833 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:09:21,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:09:21,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-24 02:09:21,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 02:09:21,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 12 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-24 02:09:21,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-24 02:09:21,881 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-24 02:09:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:09:21,883 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 02:09:21,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 10.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 02:09:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 02:09:21,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 02:09:21,887 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:09:21,887 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:09:21,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:09:22,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:22,088 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 02:09:22,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:09:22,089 INFO L85 PathProgramCache]: Analyzing trace with hash -761705229, now seen corresponding path program 1 times [2024-11-24 02:09:22,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:09:22,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1706779258] [2024-11-24 02:09:22,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:09:22,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:22,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:09:22,097 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:09:22,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:09:22,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:22,223 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:09:22,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:09:22,275 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 02:09:22,275 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:09:22,277 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 02:09:22,279 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 02:09:22,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 02:09:22,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:09:22,487 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 02:09:22,508 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:09:22,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:09:22 BoogieIcfgContainer [2024-11-24 02:09:22,512 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:09:22,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:09:22,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:09:22,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:09:22,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:09:21" (3/4) ... [2024-11-24 02:09:22,517 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:09:22,518 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:09:22,519 INFO L158 Benchmark]: Toolchain (without parser) took 2951.96ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 87.9MB in the beginning and 211.1MB in the end (delta: -123.2MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2024-11-24 02:09:22,520 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:22,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1210.68ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 67.1MB in the end (delta: 20.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2024-11-24 02:09:22,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.15ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:22,521 INFO L158 Benchmark]: Boogie Preprocessor took 44.28ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:22,521 INFO L158 Benchmark]: RCFGBuilder took 464.15ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 48.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 02:09:22,522 INFO L158 Benchmark]: TraceAbstraction took 1158.35ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 47.2MB in the beginning and 211.1MB in the end (delta: -163.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:22,522 INFO L158 Benchmark]: Witness Printer took 5.73ms. Allocated memory is still 260.0MB. Free memory was 211.1MB in the beginning and 211.1MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:09:22,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1210.68ms. Allocated memory is still 117.4MB. Free memory was 87.7MB in the beginning and 67.1MB in the end (delta: 20.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.15ms. Allocated memory is still 117.4MB. Free memory was 67.1MB in the beginning and 64.1MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.28ms. Allocated memory is still 117.4MB. Free memory was 64.1MB in the beginning and 62.1MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 464.15ms. Allocated memory is still 117.4MB. Free memory was 62.1MB in the beginning and 48.2MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1158.35ms. Allocated memory was 117.4MB in the beginning and 260.0MB in the end (delta: 142.6MB). Free memory was 47.2MB in the beginning and 211.1MB in the end (delta: -163.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.73ms. Allocated memory is still 260.0MB. Free memory was 211.1MB in the beginning and 211.1MB in the end (delta: 27.7kB). 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: 1582]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1548] int CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 0; VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, 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) [L1571] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_bad() [L1552] int data; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1565] CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal = 1 [L1566] CALL CWE190_Integer_Overflow__int_fgets_preinc_22_badSink(data) [L1579] COND TRUE \read(CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal) VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1582] ++data VAL [CWE190_Integer_Overflow__int_fgets_preinc_22_badGlobal=1, 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: 1582]: 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, 24 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 27 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 27 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 60 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 [2024-11-24 02:09:22,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ecbfdf2e-84cf-4439-8f06-7e9f4b05b5aa/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample