./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:58:25,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:58:25,351 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:58:25,356 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:58:25,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:58:25,380 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:58:25,381 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:58:25,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:58:25,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:58:25,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:58:25,383 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:58:25,383 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:58:25,384 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:58:25,384 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:58:25,385 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:58:25,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:58:25,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:58:25,386 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:58:25,387 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:58:25,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:58:25,388 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:58:25,389 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:58:25,389 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:58:25,390 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:58:25,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:58:25,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:58:25,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:58:25,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:58:25,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:58:25,393 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:58:25,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:58:25,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:58:25,394 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2023-12-02 23:58:25,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:58:25,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:58:25,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:58:25,617 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:58:25,618 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:58:25,619 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-12-02 23:58:28,464 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:58:28,765 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:58:28,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-12-02 23:58:28,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/05d03984c/f1671aaf7e214d7ba7772c8b2f4668b6/FLAGdd90f5352 [2023-12-02 23:58:28,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/05d03984c/f1671aaf7e214d7ba7772c8b2f4668b6 [2023-12-02 23:58:28,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:58:28,810 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:58:28,811 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:58:28,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:58:28,817 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:58:28,817 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:28" (1/1) ... [2023-12-02 23:58:28,819 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b3fa463 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:28, skipping insertion in model container [2023-12-02 23:58:28,819 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:28" (1/1) ... [2023-12-02 23:58:28,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:58:29,691 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:58:29,703 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:58:29,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:58:29,946 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,946 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,946 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,947 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,947 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,947 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:29,955 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:58:29,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29 WrapperNode [2023-12-02 23:58:29,956 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:58:29,957 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:58:29,957 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:58:29,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:58:29,965 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:29,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,021 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 63 [2023-12-02 23:58:30,022 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:58:30,023 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:58:30,023 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:58:30,023 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:58:30,032 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,036 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,037 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,044 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,046 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,048 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,049 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,053 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:58:30,054 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:58:30,054 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:58:30,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:58:30,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:29" (1/1) ... [2023-12-02 23:58:30,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:58:30,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:58:30,097 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:58:30,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:58:30,132 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:58:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:58:30,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:58:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:58:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:58:30,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:58:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:58:30,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:58:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:58:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:58:30,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:58:30,278 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:58:30,281 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:58:30,394 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:58:30,429 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:58:30,429 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:58:30,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:30 BoogieIcfgContainer [2023-12-02 23:58:30,431 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:58:30,432 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:58:30,432 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:58:30,442 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:58:30,443 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:30" (1/1) ... [2023-12-02 23:58:30,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:58:30,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:30,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:58:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:58:30,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:58:30,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:30,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:30,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:30,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:30,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:58:30,890 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:58:30,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:58:30,891 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:30,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:58:30,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:30,926 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:58:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:31,005 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:58:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:31,040 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:58:31,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 23:58:31,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:58:31 ImpRootNode [2023-12-02 23:58:31,068 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:58:31,069 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:58:31,069 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:58:31,069 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:58:31,070 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:30" (3/4) ... [2023-12-02 23:58:31,072 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:58:31,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:58:31,074 INFO L158 Benchmark]: Toolchain (without parser) took 2263.51ms. Allocated memory was 190.8MB in the beginning and 232.8MB in the end (delta: 41.9MB). Free memory was 139.2MB in the beginning and 131.4MB in the end (delta: 7.8MB). Peak memory consumption was 52.6MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,074 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:58:31,075 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1144.69ms. Allocated memory was 190.8MB in the beginning and 232.8MB in the end (delta: 41.9MB). Free memory was 139.2MB in the beginning and 188.0MB in the end (delta: -48.8MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,075 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.51ms. Allocated memory is still 232.8MB. Free memory was 188.0MB in the beginning and 184.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,076 INFO L158 Benchmark]: Boogie Preprocessor took 30.10ms. Allocated memory is still 232.8MB. Free memory was 184.9MB in the beginning and 183.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,077 INFO L158 Benchmark]: RCFGBuilder took 377.71ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 168.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,077 INFO L158 Benchmark]: CodeCheck took 636.15ms. Allocated memory is still 232.8MB. Free memory was 168.1MB in the beginning and 132.4MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,078 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 232.8MB. Free memory was 132.4MB in the beginning and 131.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:31,081 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576. 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); [L1576] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL funcPtr(data) [L1551] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 65.3MB in the beginning and 65.1MB in the end (delta: 151.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1144.69ms. Allocated memory was 190.8MB in the beginning and 232.8MB in the end (delta: 41.9MB). Free memory was 139.2MB in the beginning and 188.0MB in the end (delta: -48.8MB). Peak memory consumption was 71.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.51ms. Allocated memory is still 232.8MB. Free memory was 188.0MB in the beginning and 184.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.10ms. Allocated memory is still 232.8MB. Free memory was 184.9MB in the beginning and 183.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 377.71ms. Allocated memory is still 232.8MB. Free memory was 183.8MB in the beginning and 168.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 636.15ms. Allocated memory is still 232.8MB. Free memory was 168.1MB in the beginning and 132.4MB in the end (delta: 35.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 232.8MB. Free memory was 132.4MB in the beginning and 131.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet103 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:58:31,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9 --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:58:33,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:58:33,111 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:58:33,142 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:58:33,143 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:58:33,143 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:58:33,144 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:58:33,144 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:58:33,145 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:58:33,146 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:58:33,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:58:33,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:58:33,147 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:58:33,147 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:58:33,148 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:58:33,148 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:58:33,149 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:58:33,149 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:58:33,150 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:58:33,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:58:33,151 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:58:33,151 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:58:33,152 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:58:33,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:58:33,152 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:33,153 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:58:33,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:58:33,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:58:33,154 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:58:33,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:58:33,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:58:33,156 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:58:33,156 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:33,156 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:58:33,157 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:58:33,157 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:58:33,157 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2023-12-02 23:58:33,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:58:33,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:58:33,469 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:58:33,470 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:58:33,470 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:58:33,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-12-02 23:58:36,283 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:58:36,573 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:58:36,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-12-02 23:58:36,598 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/efe7a4a86/8e13ebaffedc45fa975b8ffdff01c8df/FLAG39f496e24 [2023-12-02 23:58:36,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/data/efe7a4a86/8e13ebaffedc45fa975b8ffdff01c8df [2023-12-02 23:58:36,615 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:58:36,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:58:36,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:58:36,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:58:36,623 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:58:36,624 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:36" (1/1) ... [2023-12-02 23:58:36,625 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caeccb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:36, skipping insertion in model container [2023-12-02 23:58:36,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:58:36" (1/1) ... [2023-12-02 23:58:36,680 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:58:37,420 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:58:37,436 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:58:37,542 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:58:37,689 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,689 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,690 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,690 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,690 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,690 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:58:37,698 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:58:37,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37 WrapperNode [2023-12-02 23:58:37,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:58:37,700 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:58:37,700 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:58:37,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:58:37,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,735 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,762 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 62 [2023-12-02 23:58:37,762 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:58:37,763 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:58:37,763 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:58:37,763 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:58:37,772 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,776 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,777 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,788 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,794 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,798 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:58:37,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:58:37,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:58:37,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:58:37,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:58:37" (1/1) ... [2023-12-02 23:58:37,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:58:37,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:58:37,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:58:37,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:58:37,877 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:58:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:58:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:58:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:58:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:58:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:58:37,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:58:37,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:58:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:58:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:58:37,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 23:58:38,042 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:58:38,044 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:58:38,178 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:58:38,220 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:58:38,221 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:58:38,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:38 BoogieIcfgContainer [2023-12-02 23:58:38,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:58:38,223 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:58:38,223 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:58:38,233 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:58:38,233 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:38" (1/1) ... [2023-12-02 23:58:38,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:58:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:38,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:58:38,295 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:58:38,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:58:38,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:38,298 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:38,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:38,319 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:38,320 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:58:38,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:38,452 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:58:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:58:38,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:58:38,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:58:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:58:38,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:58:38,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:58:38,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 23:58:38,540 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 23:58:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:58:38,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:58:38,541 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:58:38,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:58:38,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:58:38,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:58:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:38,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:58:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:38,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:38,860 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:58:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:58:38,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:58:38,916 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:58:38,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 23:58:38,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:58:38 ImpRootNode [2023-12-02 23:58:38,942 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:58:38,942 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:58:38,942 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:58:38,942 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:58:38,943 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:58:38" (3/4) ... [2023-12-02 23:58:38,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:58:38,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:58:38,946 INFO L158 Benchmark]: Toolchain (without parser) took 2329.80ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 41.7MB in the beginning and 46.9MB in the end (delta: -5.2MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-02 23:58:38,947 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:58:38,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1080.91ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 41.5MB in the beginning and 68.8MB in the end (delta: -27.3MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-12-02 23:58:38,948 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.90ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 65.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:58:38,949 INFO L158 Benchmark]: Boogie Preprocessor took 35.52ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 63.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:58:38,949 INFO L158 Benchmark]: RCFGBuilder took 423.21ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 45.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 23:58:38,950 INFO L158 Benchmark]: CodeCheck took 718.54ms. Allocated memory is still 102.8MB. Free memory was 45.7MB in the beginning and 46.9MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:58:38,950 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 102.8MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:58:38,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 71 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576. 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); [L1576] CALL 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, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL funcPtr(data) [L1551] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 73.4MB. Free memory is still 49.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1080.91ms. Allocated memory was 73.4MB in the beginning and 102.8MB in the end (delta: 29.4MB). Free memory was 41.5MB in the beginning and 68.8MB in the end (delta: -27.3MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.90ms. Allocated memory is still 102.8MB. Free memory was 68.8MB in the beginning and 65.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.52ms. Allocated memory is still 102.8MB. Free memory was 65.6MB in the beginning and 63.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.21ms. Allocated memory is still 102.8MB. Free memory was 63.5MB in the beginning and 45.7MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 718.54ms. Allocated memory is still 102.8MB. Free memory was 45.7MB in the beginning and 46.9MB in the end (delta: -1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 102.8MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #t~nondet101 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 23:58:38,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f6101e6-cef2-499c-892c-b78745a4ec19/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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