./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX --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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:58:28,169 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:58:28,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Default.epf [2024-11-08 18:58:28,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:58:28,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:58:28,319 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:58:28,320 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:58:28,320 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:58:28,321 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:58:28,324 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:58:28,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:58:28,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:58:28,325 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:58:28,327 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:58:28,327 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:58:28,328 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:58:28,328 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:58:28,329 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:58:28,332 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:58:28,332 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:58:28,332 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:58:28,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:58:28,334 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:58:28,334 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:58:28,334 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:58:28,335 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:58:28,335 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:58:28,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:58:28,336 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:58:28,336 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:58:28,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:58:28,337 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:58:28,337 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:58:28,338 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:58:28,338 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:58:28,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:58:28,339 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:58:28,339 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:58:28,339 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:58:28,340 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:58:28,340 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:58:28,341 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2024-11-08 18:58:28,655 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:58:28,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:58:28,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:58:28,682 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:58:28,682 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:58:28,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i Unable to find full path for "g++" [2024-11-08 18:58:30,683 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:58:30,996 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:58:30,997 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-08 18:58:31,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/904e46dd7/144806ede0394714b8dc95dae81a58db/FLAGd9a08bf1d [2024-11-08 18:58:31,035 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/904e46dd7/144806ede0394714b8dc95dae81a58db [2024-11-08 18:58:31,038 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:58:31,039 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:58:31,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:58:31,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:58:31,047 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:58:31,047 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:58:31" (1/1) ... [2024-11-08 18:58:31,049 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20a5915d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:31, skipping insertion in model container [2024-11-08 18:58:31,049 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:58:31" (1/1) ... [2024-11-08 18:58:31,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:58:32,065 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:58:32,075 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:58:32,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:58:32,324 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:58:32,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32 WrapperNode [2024-11-08 18:58:32,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:58:32,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:58:32,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:58:32,327 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:58:32,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,365 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,401 INFO L138 Inliner]: procedures = 499, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-08 18:58:32,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:58:32,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:58:32,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:58:32,402 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:58:32,413 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,413 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,416 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,431 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-11-08 18:58:32,432 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,432 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,438 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,442 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,443 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,446 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:58:32,447 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:58:32,447 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:58:32,447 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:58:32,448 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (1/1) ... [2024-11-08 18:58:32,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:58:32,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:58:32,491 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:58:32,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:58:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:58:32,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:58:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:58:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:58:32,529 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:58:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:58:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:58:32,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:58:32,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:58:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:58:32,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:58:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:58:32,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:58:32,799 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:58:32,802 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:58:33,038 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-08 18:58:33,038 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:58:33,056 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:58:33,056 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:58:33,056 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:33 BoogieIcfgContainer [2024-11-08 18:58:33,057 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:58:33,060 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:58:33,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:58:33,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:58:33,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:58:31" (1/3) ... [2024-11-08 18:58:33,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32329482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:58:33, skipping insertion in model container [2024-11-08 18:58:33,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:32" (2/3) ... [2024-11-08 18:58:33,069 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@32329482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:58:33, skipping insertion in model container [2024-11-08 18:58:33,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:33" (3/3) ... [2024-11-08 18:58:33,070 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-08 18:58:33,092 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:58:33,093 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:58:33,154 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:58:33,165 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;@6d7f1d5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:58:33,165 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:58:33,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-08 18:58:33,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:58:33,183 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:58:33,184 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:58:33,185 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:58:33,189 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:58:33,189 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-08 18:58:33,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:58:33,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806877536] [2024-11-08 18:58:33,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:58:33,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:58:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:58:33,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 18:58:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:58:33,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:58:33,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:58:33,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806877536] [2024-11-08 18:58:33,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806877536] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:58:33,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:58:33,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:58:34,000 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460453291] [2024-11-08 18:58:34,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:58:34,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:58:34,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:58:34,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:58:34,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:58:34,040 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:58:34,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:58:34,101 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-08 18:58:34,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:58:34,104 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 18:58:34,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:58:34,110 INFO L225 Difference]: With dead ends: 24 [2024-11-08 18:58:34,110 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 18:58:34,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:58:34,116 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 34 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:58:34,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 55 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:58:34,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 18:58:34,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 18:58:34,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2024-11-08 18:58:34,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-08 18:58:34,154 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-08 18:58:34,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:58:34,155 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-08 18:58:34,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:58:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 18:58:34,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:58:34,157 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:58:34,157 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:58:34,158 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:58:34,158 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:58:34,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:58:34,159 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-08 18:58:34,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:58:34,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088281346] [2024-11-08 18:58:34,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:58:34,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:58:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:58:34,201 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:58:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:58:34,249 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 18:58:34,250 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:58:34,254 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:58:34,256 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:58:34,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:58:34,260 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:58:34,292 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:58:34,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:58:34 BoogieIcfgContainer [2024-11-08 18:58:34,296 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:58:34,296 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:58:34,297 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:58:34,297 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:58:34,298 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:33" (3/4) ... [2024-11-08 18:58:34,301 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:58:34,302 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:58:34,305 INFO L158 Benchmark]: Toolchain (without parser) took 3264.14ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 73.4MB in the beginning and 72.4MB in the end (delta: 1.0MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,306 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 138.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:58:34,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1285.11ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 73.1MB in the beginning and 90.2MB in the end (delta: -17.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.20ms. Allocated memory is still 178.3MB. Free memory was 90.2MB in the beginning and 87.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,310 INFO L158 Benchmark]: Boogie Preprocessor took 44.26ms. Allocated memory is still 178.3MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,310 INFO L158 Benchmark]: RCFGBuilder took 610.04ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 137.4MB in the end (delta: -52.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,311 INFO L158 Benchmark]: TraceAbstraction took 1235.67ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 72.4MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-11-08 18:58:34,311 INFO L158 Benchmark]: Witness Printer took 6.01ms. Allocated memory is still 178.3MB. Free memory is still 72.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:58:34,317 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 138.4MB. Free memory was 109.6MB in the beginning and 109.5MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1285.11ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 73.1MB in the beginning and 90.2MB in the end (delta: -17.1MB). Peak memory consumption was 30.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.20ms. Allocated memory is still 178.3MB. Free memory was 90.2MB in the beginning and 87.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.26ms. Allocated memory is still 178.3MB. Free memory was 87.2MB in the beginning and 85.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 610.04ms. Allocated memory is still 178.3MB. Free memory was 85.1MB in the beginning and 137.4MB in the end (delta: -52.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1235.67ms. Allocated memory is still 178.3MB. Free memory was 136.4MB in the beginning and 72.4MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 6.01ms. Allocated memory is still 178.3MB. Free memory is still 72.4MB. 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={14:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1579]: 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, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 55 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 21 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 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, 0.6s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:58:34,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX --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 e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:58:36,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:58:36,937 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-64bit-Automizer_Bitvector.epf [2024-11-08 18:58:36,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:58:36,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:58:36,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-11-08 18:58:36,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:58:36,988 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:58:36,989 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:58:36,991 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:58:36,991 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:58:36,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:58:36,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:58:36,993 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:58:36,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:58:36,996 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:58:36,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:58:36,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:58:36,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:58:36,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:58:37,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:58:37,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:58:37,002 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 18:58:37,002 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 18:58:37,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:58:37,003 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:58:37,003 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 18:58:37,003 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:58:37,003 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:58:37,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:58:37,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:58:37,004 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:58:37,004 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:58:37,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:58:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:58:37,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:58:37,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:58:37,008 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:58:37,008 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 18:58:37,009 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 18:58:37,009 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:58:37,009 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:58:37,009 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:58:37,010 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:58:37,010 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1661dff488fa6f4b0ee41c76507d44218cb3dfe66353ab340638e39ccafd644 [2024-11-08 18:58:37,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:58:37,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:58:37,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:58:37,440 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:58:37,441 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:58:37,443 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i Unable to find full path for "g++" [2024-11-08 18:58:39,680 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:58:40,090 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:58:40,091 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-08 18:58:40,130 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/52330a0d7/5b064cd9f53e4cc7be5e37c23db6ad77/FLAG90e17e542 [2024-11-08 18:58:40,157 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/data/52330a0d7/5b064cd9f53e4cc7be5e37c23db6ad77 [2024-11-08 18:58:40,160 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:58:40,165 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:58:40,167 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:58:40,169 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:58:40,175 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:58:40,176 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:58:40" (1/1) ... [2024-11-08 18:58:40,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b19c917 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:40, skipping insertion in model container [2024-11-08 18:58:40,179 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:58:40" (1/1) ... [2024-11-08 18:58:40,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:58:41,460 WARN L1072 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-08 18:58:41,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:58:41,480 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:58:41,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:58:41,787 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:58:41,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41 WrapperNode [2024-11-08 18:58:41,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:58:41,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:58:41,790 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:58:41,790 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:58:41,798 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,831 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,857 INFO L138 Inliner]: procedures = 504, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-08 18:58:41,857 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:58:41,858 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:58:41,858 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:58:41,858 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:58:41,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,885 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,901 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 1 initializations are split as follows [1, 0]. The 2 writes are split as follows [0, 2]. [2024-11-08 18:58:41,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,930 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,938 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:58:41,938 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:58:41,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:58:41,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:58:41,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (1/1) ... [2024-11-08 18:58:41,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:58:41,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:58:41,988 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:58:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:58:42,025 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-08 18:58:42,027 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-08 18:58:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:58:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 18:58:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-08 18:58:42,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:58:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-08 18:58:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-08 18:58:42,273 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:58:42,275 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:58:42,459 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-08 18:58:42,459 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:58:42,473 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:58:42,474 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:58:42,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:42 BoogieIcfgContainer [2024-11-08 18:58:42,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:58:42,477 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:58:42,477 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:58:42,480 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:58:42,480 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:58:40" (1/3) ... [2024-11-08 18:58:42,481 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e3f12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:58:42, skipping insertion in model container [2024-11-08 18:58:42,481 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:58:41" (2/3) ... [2024-11-08 18:58:42,482 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e3f12b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:58:42, skipping insertion in model container [2024-11-08 18:58:42,482 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:42" (3/3) ... [2024-11-08 18:58:42,484 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_add_64_bad.i [2024-11-08 18:58:42,501 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:58:42,501 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 18:58:42,569 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:58:42,578 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;@38a69e0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:58:42,579 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 18:58:42,586 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 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) [2024-11-08 18:58:42,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 18:58:42,599 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:58:42,599 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:58:42,600 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:58:42,609 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:58:42,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1415281768, now seen corresponding path program 1 times [2024-11-08 18:58:42,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:58:42,625 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [527595423] [2024-11-08 18:58:42,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:58:42,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:58:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:58:42,629 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:58:42,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:58:42,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:58:42,916 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 18:58:42,921 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:58:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:58:42,951 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:58:42,952 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 18:58:42,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527595423] [2024-11-08 18:58:42,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527595423] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:58:42,954 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:58:42,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 18:58:42,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784186540] [2024-11-08 18:58:42,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:58:42,962 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 18:58:42,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 18:58:42,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 18:58:42,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:58:42,998 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 19 states have internal predecessors, (21), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:58:43,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:58:43,017 INFO L93 Difference]: Finished difference Result 24 states and 27 transitions. [2024-11-08 18:58:43,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 18:58:43,019 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2024-11-08 18:58:43,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:58:43,028 INFO L225 Difference]: With dead ends: 24 [2024-11-08 18:58:43,028 INFO L226 Difference]: Without dead ends: 15 [2024-11-08 18:58:43,033 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 18:58:43,038 INFO L432 NwaCegarLoop]: 26 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, 26 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 [2024-11-08 18:58:43,042 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:58:43,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2024-11-08 18:58:43,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2024-11-08 18:58:43,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 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) [2024-11-08 18:58:43,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2024-11-08 18:58:43,084 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 17 transitions. Word has length 11 [2024-11-08 18:58:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:58:43,086 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 17 transitions. [2024-11-08 18:58:43,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 9.0) internal successors, (9), 2 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-08 18:58:43,087 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-08 18:58:43,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 18:58:43,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:58:43,090 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:58:43,119 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 18:58:43,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:58:43,292 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 18:58:43,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:58:43,293 INFO L85 PathProgramCache]: Analyzing trace with hash 924061903, now seen corresponding path program 1 times [2024-11-08 18:58:43,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 18:58:43,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1734837989] [2024-11-08 18:58:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:58:43,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:58:43,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:58:43,299 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:58:43,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:58:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:58:43,499 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 18:58:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 18:58:43,581 INFO L130 FreeRefinementEngine]: Strategy FOX found a feasible trace [2024-11-08 18:58:43,582 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 18:58:43,584 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 18:58:43,586 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 18:58:43,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 18:58:43,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:58:43,789 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-08 18:58:43,814 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:58:43,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:58:43 BoogieIcfgContainer [2024-11-08 18:58:43,818 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:58:43,819 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:58:43,819 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:58:43,822 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:58:43,823 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:58:42" (3/4) ... [2024-11-08 18:58:43,826 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 18:58:43,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:58:43,828 INFO L158 Benchmark]: Toolchain (without parser) took 3662.57ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.2MB in the beginning and 35.3MB in the end (delta: 10.9MB). Peak memory consumption was 29.0MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,829 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:58:43,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1621.35ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 34.4MB in the end (delta: 11.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,830 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.14ms. Allocated memory is still 92.3MB. Free memory was 34.4MB in the beginning and 31.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,831 INFO L158 Benchmark]: Boogie Preprocessor took 79.64ms. Allocated memory is still 92.3MB. Free memory was 31.3MB in the beginning and 60.9MB in the end (delta: -29.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,832 INFO L158 Benchmark]: RCFGBuilder took 536.14ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 45.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,834 INFO L158 Benchmark]: TraceAbstraction took 1341.34ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 35.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2024-11-08 18:58:43,834 INFO L158 Benchmark]: Witness Printer took 8.83ms. Allocated memory is still 92.3MB. Free memory is still 35.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:58:43,840 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 73.4MB. Free memory was 49.1MB in the beginning and 49.0MB in the end (delta: 94.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1621.35ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 46.0MB in the beginning and 34.4MB in the end (delta: 11.7MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.14ms. Allocated memory is still 92.3MB. Free memory was 34.4MB in the beginning and 31.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 79.64ms. Allocated memory is still 92.3MB. Free memory was 31.3MB in the beginning and 60.9MB in the end (delta: -29.7MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * RCFGBuilder took 536.14ms. Allocated memory is still 92.3MB. Free memory was 60.9MB in the beginning and 45.3MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1341.34ms. Allocated memory is still 92.3MB. Free memory was 44.7MB in the beginning and 35.3MB in the end (delta: 9.4MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * Witness Printer took 8.83ms. Allocated memory is still 92.3MB. Free memory is still 35.3MB. 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: 1579]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557, overapproximation of large string literal at line 1569, overapproximation of fgets at line 1555. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_64_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] data = atoi(inputBuffer) [L1557] data = atoi(inputBuffer) [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_64b_badSink(&data) [L1576] int * dataPtr = (int *)dataVoidPtr; [L1577] EXPR \read(*dataPtr) [L1577] int data = (*dataPtr); [L1579] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1579]: 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: 1.2s, 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, 26 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, 26 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 88 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 18:58:43,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7e82057-0864-4047-99c2-c6fd605441f0/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample