./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:29:40,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:29:41,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-24 01:29:41,061 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:29:41,061 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:29:41,110 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:29:41,112 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:29:41,112 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:29:41,113 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:29:41,113 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:29:41,115 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:29:41,115 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:29:41,115 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:29:41,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:29:41,116 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:29:41,117 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:29:41,117 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:29:41,117 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:29:41,118 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:29:41,119 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:41,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:29:41,119 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:41,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:29:41,120 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:29:41,122 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:29:41,122 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:29:41,122 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:29:41,122 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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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 -> 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 [2024-11-24 01:29:41,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:29:41,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:29:41,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:29:41,532 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:29:41,533 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:29:41,534 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:44,703 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/ba31b57f7/6e667655097e4f91b1fa7b666534fec7/FLAGe6709ba4c [2024-11-24 01:29:45,132 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:29:45,133 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:45,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/ba31b57f7/6e667655097e4f91b1fa7b666534fec7/FLAGe6709ba4c [2024-11-24 01:29:45,279 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/ba31b57f7/6e667655097e4f91b1fa7b666534fec7 [2024-11-24 01:29:45,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:29:45,283 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:29:45,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:45,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:29:45,293 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:29:45,294 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:45" (1/1) ... [2024-11-24 01:29:45,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c00b6f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:45, skipping insertion in model container [2024-11-24 01:29:45,297 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:45" (1/1) ... [2024-11-24 01:29:45,381 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:29:46,707 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:46,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:29:46,896 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:47,057 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:29:47,057 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47 WrapperNode [2024-11-24 01:29:47,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:47,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:47,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:29:47,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:29:47,067 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,123 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 65 [2024-11-24 01:29:47,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:47,124 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:29:47,124 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:29:47,124 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:29:47,137 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,141 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,158 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 01:29:47,159 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,159 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,165 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,166 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,169 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,171 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:29:47,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:29:47,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:29:47,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:29:47,178 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (1/1) ... [2024-11-24 01:29:47,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:47,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:47,221 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:29:47,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:29:47,265 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:29:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:29:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:29:47,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:29:47,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:29:47,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:29:47,459 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:29:47,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:29:47,625 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-24 01:29:47,626 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:29:47,638 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:29:47,638 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:29:47,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:47 BoogieIcfgContainer [2024-11-24 01:29:47,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:29:47,641 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:29:47,642 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:29:47,648 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:29:47,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:29:45" (1/3) ... [2024-11-24 01:29:47,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51059b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:47, skipping insertion in model container [2024-11-24 01:29:47,650 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:47" (2/3) ... [2024-11-24 01:29:47,650 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51059b9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:47, skipping insertion in model container [2024-11-24 01:29:47,651 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:47" (3/3) ... [2024-11-24 01:29:47,652 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:47,676 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:29:47,678 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 01:29:47,764 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:29:47,780 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;@2ca5f3fa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:29:47,780 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 01:29:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 01:29:47,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:29:47,794 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:47,795 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:47,795 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 01:29:47,802 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:47,802 INFO L85 PathProgramCache]: Analyzing trace with hash 924028237, now seen corresponding path program 1 times [2024-11-24 01:29:47,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:47,810 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285406457] [2024-11-24 01:29:47,811 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:47,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:47,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:29:48,231 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 01:29:48,232 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:29:48,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285406457] [2024-11-24 01:29:48,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285406457] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:29:48,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:29:48,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:29:48,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959495873] [2024-11-24 01:29:48,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:29:48,246 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:29:48,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:29:48,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:29:48,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:48,280 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:29:48,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:29:48,331 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-24 01:29:48,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:29:48,334 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2024-11-24 01:29:48,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:29:48,346 INFO L225 Difference]: With dead ends: 23 [2024-11-24 01:29:48,346 INFO L226 Difference]: Without dead ends: 15 [2024-11-24 01:29:48,353 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:29:48,357 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 3 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:29:48,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 37 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:29:48,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-24 01:29:48,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 01:29:48,406 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 01:29:48,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-24 01:29:48,413 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-24 01:29:48,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:29:48,417 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 01:29:48,417 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-24 01:29:48,418 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 01:29:48,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:29:48,419 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:48,419 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:48,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 01:29:48,420 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 01:29:48,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1419895668, now seen corresponding path program 1 times [2024-11-24 01:29:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:29:48,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655480690] [2024-11-24 01:29:48,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:48,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:29:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:29:48,482 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:29:48,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:29:48,546 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:29:48,547 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:29:48,552 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 01:29:48,555 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 01:29:48,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:29:48,561 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:29:48,601 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:29:48,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:29:48 BoogieIcfgContainer [2024-11-24 01:29:48,613 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:29:48,614 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:29:48,614 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:29:48,614 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:29:48,615 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:47" (3/4) ... [2024-11-24 01:29:48,622 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:29:48,623 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:29:48,625 INFO L158 Benchmark]: Toolchain (without parser) took 3340.68ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 59.2MB in the end (delta: 57.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-24 01:29:48,626 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:29:48,626 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1772.17ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 108.6MB in the end (delta: 7.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-24 01:29:48,627 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.27ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 106.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:29:48,627 INFO L158 Benchmark]: Boogie Preprocessor took 51.11ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:29:48,627 INFO L158 Benchmark]: RCFGBuilder took 463.07ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 01:29:48,628 INFO L158 Benchmark]: TraceAbstraction took 971.39ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 59.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 01:29:48,628 INFO L158 Benchmark]: Witness Printer took 9.65ms. Allocated memory is still 142.6MB. Free memory is still 59.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:29:48,634 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1772.17ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 108.6MB in the end (delta: 7.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.27ms. Allocated memory is still 142.6MB. Free memory was 108.6MB in the beginning and 106.2MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.11ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.7MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 463.07ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 92.7MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 971.39ms. Allocated memory is still 142.6MB. Free memory was 92.1MB in the beginning and 59.2MB in the end (delta: 33.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 9.65ms. Allocated memory is still 142.6MB. Free memory is still 59.2MB. 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: 1568]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, 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, 37 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 15 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 22 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 01:29:48,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:29:52,152 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:29:52,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-24 01:29:52,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:29:52,274 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:29:52,275 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-24 01:29:52,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:29:52,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:29:52,316 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:29:52,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:29:52,317 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:29:52,318 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:29:52,318 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:29:52,318 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:29:52,318 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:29:52,319 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:29:52,319 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:29:52,319 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:29:52,319 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:29:52,319 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:29:52,320 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 01:29:52,321 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:29:52,321 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:29:52,321 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:29:52,321 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:29:52,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:52,322 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:52,322 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:52,322 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:52,322 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:29:52,322 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:29:52,323 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:29:52,323 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:29:52,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:52,323 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:29:52,323 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:29:52,323 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:29:52,324 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:29:52,324 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:29:52,324 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:29:52,324 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:29:52,324 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:29:52,325 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:29:52,325 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:29:52,325 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_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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 -> 398e601a7b05490ae23a95dbeb705914d8058aa3c83525521928baa5b8170348 [2024-11-24 01:29:52,654 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:29:52,666 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:29:52,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:29:52,669 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:29:52,670 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:29:52,671 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:56,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/fe88ae203/702927f162364583b56e9aa6389b6379/FLAG4f7298234 [2024-11-24 01:29:56,894 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:29:56,895 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:56,939 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/fe88ae203/702927f162364583b56e9aa6389b6379/FLAG4f7298234 [2024-11-24 01:29:56,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/data/fe88ae203/702927f162364583b56e9aa6389b6379 [2024-11-24 01:29:56,966 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:29:56,969 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:29:56,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:56,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:29:56,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:29:56,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:56" (1/1) ... [2024-11-24 01:29:56,977 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745c2e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:56, skipping insertion in model container [2024-11-24 01:29:56,977 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:29:56" (1/1) ... [2024-11-24 01:29:57,044 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:29:58,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:58,549 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:29:58,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:29:58,978 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:29:58,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58 WrapperNode [2024-11-24 01:29:58,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:29:58,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:58,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:29:58,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:29:58,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,023 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,055 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2024-11-24 01:29:59,056 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:29:59,057 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:29:59,057 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:29:59,057 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:29:59,065 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,069 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,086 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 01:29:59,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,115 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,121 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,123 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:29:59,134 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:29:59,134 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:29:59,134 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:29:59,135 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (1/1) ... [2024-11-24 01:29:59,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:29:59,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:59,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:29:59,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:29:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 01:29:59,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 01:29:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:29:59,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:29:59,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:29:59,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:29:59,487 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:29:59,490 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:29:59,722 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-24 01:29:59,722 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:29:59,738 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:29:59,739 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-24 01:29:59,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:59 BoogieIcfgContainer [2024-11-24 01:29:59,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:29:59,743 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:29:59,744 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:29:59,750 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:29:59,751 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:29:56" (1/3) ... [2024-11-24 01:29:59,752 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea221ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:59, skipping insertion in model container [2024-11-24 01:29:59,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:29:58" (2/3) ... [2024-11-24 01:29:59,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ea221ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:29:59, skipping insertion in model container [2024-11-24 01:29:59,755 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:59" (3/3) ... [2024-11-24 01:29:59,757 INFO L128 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i [2024-11-24 01:29:59,780 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:29:59,782 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG CWE190_Integer_Overflow__int_fgets_preinc_18_bad.i that has 2 procedures, 23 locations, 1 initial locations, 0 loop locations, and 2 error locations. [2024-11-24 01:29:59,859 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:29:59,906 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;@69ae432f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:29:59,906 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-24 01:29:59,911 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-24 01:29:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 01:29:59,917 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:29:59,918 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:29:59,918 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 01:29:59,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:29:59,927 INFO L85 PathProgramCache]: Analyzing trace with hash 924028237, now seen corresponding path program 1 times [2024-11-24 01:29:59,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:29:59,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1696954603] [2024-11-24 01:29:59,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:29:59,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:29:59,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:29:59,953 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:29:59,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:30:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:30:00,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:30:00,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:30:00,227 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 01:30:00,227 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:30:00,228 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:30:00,229 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1696954603] [2024-11-24 01:30:00,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1696954603] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:30:00,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:30:00,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-24 01:30:00,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [247238390] [2024-11-24 01:30:00,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:30:00,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:30:00,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:30:00,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:30:00,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:30:00,272 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 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 01:30:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:30:00,293 INFO L93 Difference]: Finished difference Result 23 states and 26 transitions. [2024-11-24 01:30:00,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:30:00,295 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 01:30:00,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:30:00,304 INFO L225 Difference]: With dead ends: 23 [2024-11-24 01:30:00,304 INFO L226 Difference]: Without dead ends: 15 [2024-11-24 01:30:00,310 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 01:30:00,315 INFO L435 NwaCegarLoop]: 25 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:30:00,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:30:00,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-24 01:30:00,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-24 01:30:00,362 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 01:30:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-24 01:30:00,370 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 12 [2024-11-24 01:30:00,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:30:00,371 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-24 01:30:00,372 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 01:30:00,372 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-24 01:30:00,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 01:30:00,374 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:30:00,374 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:30:00,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:30:00,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:30:00,579 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-24 01:30:00,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:30:00,580 INFO L85 PathProgramCache]: Analyzing trace with hash -1419895668, now seen corresponding path program 1 times [2024-11-24 01:30:00,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:30:00,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [623112491] [2024-11-24 01:30:00,581 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:30:00,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:30:00,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:30:00,584 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:30:00,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 01:30:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:30:00,759 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:30:00,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:30:00,843 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-24 01:30:00,843 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:30:00,845 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-24 01:30:00,850 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-24 01:30:00,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 01:30:01,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:30:01,056 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-24 01:30:01,092 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:30:01,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:30:01 BoogieIcfgContainer [2024-11-24 01:30:01,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:30:01,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:30:01,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:30:01,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:30:01,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:29:59" (3/4) ... [2024-11-24 01:30:01,107 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:30:01,108 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:30:01,113 INFO L158 Benchmark]: Toolchain (without parser) took 4141.13ms. Allocated memory is still 109.1MB. Free memory was 81.4MB in the beginning and 52.5MB in the end (delta: 28.8MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-11-24 01:30:01,113 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:01,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2009.93ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 61.6MB in the end (delta: 19.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. [2024-11-24 01:30:01,114 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.07ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 58.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:01,114 INFO L158 Benchmark]: Boogie Preprocessor took 73.00ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 56.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:01,115 INFO L158 Benchmark]: RCFGBuilder took 606.96ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 43.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:30:01,115 INFO L158 Benchmark]: TraceAbstraction took 1359.26ms. Allocated memory is still 109.1MB. Free memory was 42.9MB in the beginning and 52.5MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:01,115 INFO L158 Benchmark]: Witness Printer took 5.45ms. Allocated memory is still 109.1MB. Free memory is still 52.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:30:01,119 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 83.9MB. Free memory was 63.8MB in the beginning and 63.8MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2009.93ms. Allocated memory is still 109.1MB. Free memory was 81.1MB in the beginning and 61.6MB in the end (delta: 19.6MB). Peak memory consumption was 58.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.07ms. Allocated memory is still 109.1MB. Free memory was 61.6MB in the beginning and 58.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.00ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 56.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 606.96ms. Allocated memory is still 109.1MB. Free memory was 56.5MB in the beginning and 43.5MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1359.26ms. Allocated memory is still 109.1MB. Free memory was 42.9MB in the beginning and 52.5MB in the end (delta: -9.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.45ms. Allocated memory is still 109.1MB. Free memory is still 52.5MB. 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: 1568]: 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); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1576] 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) [L1576] 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] [L1577] CALL CWE190_Integer_Overflow__int_fgets_preinc_18_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1568] ++data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1568]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 25 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 11 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 25 NumberOfCodeBlocks, 25 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 56 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 01:30:01,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a0a8bad6-6bc3-4d6f-b5a5-103cc6dd8c6f/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