./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:12,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:12,812 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-02 23:48:12,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:48:12,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:48:12,839 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:12,840 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:12,840 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:12,841 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:12,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:12,842 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:12,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:12,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:48:12,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:12,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:12,845 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:12,846 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:12,846 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:48:12,847 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:12,847 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:12,848 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:12,848 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:12,849 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:12,849 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:12,850 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:12,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:12,851 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:12,852 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:12,852 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:12,852 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:48:12,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:48:12,853 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:12,853 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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 [2023-12-02 23:48:13,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:13,106 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:13,109 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:13,110 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:13,111 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:13,112 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-12-02 23:48:15,899 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:16,193 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:16,194 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-12-02 23:48:16,218 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/49a8b4fc1/f0b0d993fba44ead9648f7873f181750/FLAG600101b46 [2023-12-02 23:48:16,232 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/49a8b4fc1/f0b0d993fba44ead9648f7873f181750 [2023-12-02 23:48:16,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:16,236 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:16,238 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:16,238 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:16,243 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:16,243 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:16" (1/1) ... [2023-12-02 23:48:16,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d912e17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:16, skipping insertion in model container [2023-12-02 23:48:16,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:16" (1/1) ... [2023-12-02 23:48:16,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:17,118 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:17,130 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:17,199 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:17,375 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,375 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,375 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,375 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,376 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,376 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:17,383 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:17,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17 WrapperNode [2023-12-02 23:48:17,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:17,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:17,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:17,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:17,391 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,446 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 66 [2023-12-02 23:48:17,447 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:17,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:17,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:17,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:17,457 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,473 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,475 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:17,476 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:17,476 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:17,477 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:17,477 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:17,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:17,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:17,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:48:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:48:17,545 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:48:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-02 23:48:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:17,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:48:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:48:17,695 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:17,697 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:17,809 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:17,849 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:17,850 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:48:17,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:17 BoogieIcfgContainer [2023-12-02 23:48:17,852 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:17,852 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:17,853 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:17,863 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:17,863 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:17" (1/1) ... [2023-12-02 23:48:17,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:17,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:17,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:48:17,930 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:48:17,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:48:17,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:17,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:18,286 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 23:48:18,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:18,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-02 23:48:18,338 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-02 23:48:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:48:18,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:18,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:48:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:18,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:18,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:18,451 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:18,484 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:48:18,506 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet103 [2023-12-02 23:48:18,510 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:48:18 ImpRootNode [2023-12-02 23:48:18,510 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:48:18,511 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:48:18,511 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:48:18,511 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:48:18,511 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:17" (3/4) ... [2023-12-02 23:48:18,513 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:48:18,513 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:48:18,514 INFO L158 Benchmark]: Toolchain (without parser) took 2277.85ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 104.8MB in the beginning and 83.4MB in the end (delta: 21.4MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,515 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 148.9MB. Free memory was 121.1MB in the beginning and 120.9MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:18,516 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1146.17ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 104.3MB in the beginning and 139.9MB in the end (delta: -35.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.34ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 136.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,517 INFO L158 Benchmark]: Boogie Preprocessor took 28.44ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 135.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,517 INFO L158 Benchmark]: RCFGBuilder took 375.41ms. Allocated memory is still 186.6MB. Free memory was 135.8MB in the beginning and 120.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,518 INFO L158 Benchmark]: CodeCheck took 657.60ms. Allocated memory is still 186.6MB. Free memory was 120.1MB in the beginning and 84.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,519 INFO L158 Benchmark]: Witness Printer took 2.99ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 83.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:18,522 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1570. 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); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:31}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_preinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] ++data 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 148.9MB. Free memory was 121.1MB in the beginning and 120.9MB in the end (delta: 151.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1146.17ms. Allocated memory was 148.9MB in the beginning and 186.6MB in the end (delta: 37.7MB). Free memory was 104.3MB in the beginning and 139.9MB in the end (delta: -35.6MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.34ms. Allocated memory is still 186.6MB. Free memory was 139.9MB in the beginning and 136.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.44ms. Allocated memory is still 186.6MB. Free memory was 136.9MB in the beginning and 135.8MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 375.41ms. Allocated memory is still 186.6MB. Free memory was 135.8MB in the beginning and 120.1MB in the end (delta: 15.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 657.60ms. Allocated memory is still 186.6MB. Free memory was 120.1MB in the beginning and 84.5MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 2.99ms. Allocated memory is still 186.6MB. Free memory was 84.5MB in the beginning and 83.4MB 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 23:48:18,541 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:48:20,474 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:48:20,550 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-02 23:48:20,580 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:48:20,581 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:48:20,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:48:20,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:48:20,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:48:20,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:48:20,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:48:20,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:48:20,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:48:20,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:48:20,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:48:20,586 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 23:48:20,587 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 23:48:20,587 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 23:48:20,588 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 23:48:20,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 23:48:20,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:48:20,589 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:48:20,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:48:20,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:48:20,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:48:20,592 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:20,592 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:20,593 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:48:20,593 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:20,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:48:20,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:48:20,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:48:20,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 23:48:20,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:20,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:48:20,596 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 23:48:20,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 23:48:20,597 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_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a6319d29c4ee33baf4fabdc9b0e79918dc8adba2c58c897b591a4b9e24b6c36 [2023-12-02 23:48:20,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:48:20,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:48:20,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:48:20,916 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:48:20,917 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:48:20,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-12-02 23:48:23,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:48:24,046 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:48:24,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_65_bad.i [2023-12-02 23:48:24,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/748f28a63/3aac43b6e1a74600b03348ba24e79f77/FLAG36c21f36f [2023-12-02 23:48:24,087 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/data/748f28a63/3aac43b6e1a74600b03348ba24e79f77 [2023-12-02 23:48:24,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:48:24,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:48:24,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:24,093 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:48:24,098 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:48:24,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:24" (1/1) ... [2023-12-02 23:48:24,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@462e5b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:24, skipping insertion in model container [2023-12-02 23:48:24,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:48:24" (1/1) ... [2023-12-02 23:48:24,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:48:24,975 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:24,992 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:48:25,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:48:25,242 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,242 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,242 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,242 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,242 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,243 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-02 23:48:25,250 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:48:25,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25 WrapperNode [2023-12-02 23:48:25,251 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:48:25,252 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:25,252 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:48:25,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:48:25,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,288 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,310 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 65 [2023-12-02 23:48:25,310 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:48:25,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:48:25,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:48:25,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:48:25,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,323 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,337 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,340 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:48:25,347 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:48:25,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:48:25,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:48:25,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:48:25,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:48:25,381 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:48:25,387 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:48:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-02 23:48:25,421 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-02 23:48:25,421 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:48:25,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 23:48:25,422 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-02 23:48:25,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-02 23:48:25,604 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:48:25,606 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:48:25,737 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:48:25,782 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:48:25,783 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 23:48:25,784 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:25 BoogieIcfgContainer [2023-12-02 23:48:25,784 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:48:25,785 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:48:25,785 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:48:25,796 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:48:25,796 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:25" (1/1) ... [2023-12-02 23:48:25,805 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:48:25,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:25,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-12-02 23:48:25,863 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-12-02 23:48:25,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 23:48:25,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:25,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:25,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:25,870 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:25,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 23:48:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:26,028 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 23:48:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:48:26,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 23:48:26,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 23:48:26,093 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 23:48:26,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 23:48:26,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:48:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-02 23:48:26,120 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-02 23:48:26,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 23:48:26,121 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:48:26,121 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 23:48:26,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 23:48:26,122 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 23:48:26,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 23:48:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:26,311 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:26,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:26,504 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 23:48:26,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 23:48:26,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 23:48:26,580 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 23:48:26,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet101 [2023-12-02 23:48:26,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:48:26 ImpRootNode [2023-12-02 23:48:26,612 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:48:26,613 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:48:26,613 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:48:26,613 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:48:26,613 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:48:25" (3/4) ... [2023-12-02 23:48:26,615 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 23:48:26,617 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:48:26,618 INFO L158 Benchmark]: Toolchain (without parser) took 2526.34ms. Allocated memory is still 117.4MB. Free memory was 90.9MB in the beginning and 50.4MB in the end (delta: 40.5MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,618 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:26,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1158.87ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 55.3MB in the end (delta: 35.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.25ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 52.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,620 INFO L158 Benchmark]: Boogie Preprocessor took 35.96ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,621 INFO L158 Benchmark]: RCFGBuilder took 437.21ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 79.1MB in the end (delta: -28.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,621 INFO L158 Benchmark]: CodeCheck took 826.77ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 50.4MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-02 23:48:26,622 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory is still 50.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:48:26,625 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: 0.8s, 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: 1578]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1570. 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_preinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_preinc_65b_badSink; [L1553] data = 0 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1565] CALL funcPtr(data) [L1578] ++data 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 0.20ms. Allocated memory is still 65.0MB. Free memory was 41.4MB in the beginning and 41.4MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1158.87ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 55.3MB in the end (delta: 35.2MB). Peak memory consumption was 39.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.25ms. Allocated memory is still 117.4MB. Free memory was 55.3MB in the beginning and 52.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.96ms. Allocated memory is still 117.4MB. Free memory was 52.4MB in the beginning and 50.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 437.21ms. Allocated memory is still 117.4MB. Free memory was 50.3MB in the beginning and 79.1MB in the end (delta: -28.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * CodeCheck took 826.77ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 50.4MB in the end (delta: 28.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory is still 50.4MB. 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 23:48:26,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8e4cebc-53d2-4b2e-8ed6-bde94cdf4b3f/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