./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_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_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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_afb14417-8f81-41f2-9dc6-45ce08b04200/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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:48:54,917 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:48:54,984 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:48:54,989 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:48:54,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:48:55,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:48:55,013 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:48:55,014 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:48:55,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:48:55,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:48:55,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:48:55,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:48:55,017 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:48:55,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:48:55,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:48:55,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:48:55,019 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:48:55,020 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:48:55,020 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:48:55,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:48:55,021 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:48:55,024 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:48:55,024 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:48:55,024 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:48:55,025 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:48:55,025 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:48:55,026 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:48:55,026 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:48:55,027 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:48:55,027 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:48:55,027 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:48:55,028 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:48:55,028 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_afb14417-8f81-41f2-9dc6-45ce08b04200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2023-12-03 02:48:55,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:48:55,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:48:55,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:48:55,293 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:48:55,293 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:48:55,294 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-12-03 02:48:58,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:48:58,350 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:48:58,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-12-03 02:48:58,371 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/1a0e6a3ba/fb0a7329e93e4021964b7edbb9856217/FLAG5aaf61826 [2023-12-03 02:48:58,383 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/1a0e6a3ba/fb0a7329e93e4021964b7edbb9856217 [2023-12-03 02:48:58,386 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:48:58,387 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:48:58,388 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:48:58,388 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:48:58,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:48:58,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:48:58" (1/1) ... [2023-12-03 02:48:58,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b5df6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:58, skipping insertion in model container [2023-12-03 02:48:58,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:48:58" (1/1) ... [2023-12-03 02:48:58,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:48:59,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:48:59,182 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:48:59,270 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:48:59,366 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:48:59,366 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:48:59,367 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:48:59,367 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:48:59,367 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:48:59,374 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:48:59,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59 WrapperNode [2023-12-03 02:48:59,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:48:59,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:48:59,376 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:48:59,376 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:48:59,382 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,441 INFO L138 Inliner]: procedures = 500, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2023-12-03 02:48:59,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:48:59,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:48:59,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:48:59,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:48:59,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,454 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,454 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,464 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:48:59,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:48:59,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:48:59,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:48:59,471 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:48:59,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:48:59,508 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:48:59,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:48:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:48:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:48:59,553 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:48:59,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:48:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 02:48:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:48:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:48:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:48:59,554 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:48:59,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:48:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:48:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:48:59,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:48:59,685 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:48:59,686 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:48:59,797 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:48:59,832 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:48:59,833 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:48:59,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:48:59 BoogieIcfgContainer [2023-12-03 02:48:59,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:48:59,835 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:48:59,835 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:48:59,843 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:48:59,843 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:48:59" (1/1) ... [2023-12-03 02:48:59,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:48:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:48:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 02:48:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 02:48:59,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:48:59,903 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:48:59,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:00,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:00,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:00,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 02:49:00,213 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 02:49:00,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:49:00,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:00,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:49:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:00,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:49:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:00,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:00,371 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:49:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:00,416 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:49:00,440 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 02:49:00,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:49:00 ImpRootNode [2023-12-03 02:49:00,446 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:49:00,447 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:49:00,447 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:49:00,447 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:49:00,448 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:48:59" (3/4) ... [2023-12-03 02:49:00,450 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:49:00,451 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:49:00,452 INFO L158 Benchmark]: Toolchain (without parser) took 2064.53ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 67.7MB in the beginning and 68.0MB in the end (delta: -368.9kB). Peak memory consumption was 43.7MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,452 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:00,453 INFO L158 Benchmark]: CACSL2BoogieTranslator took 986.54ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 67.7MB in the beginning and 78.2MB in the end (delta: -10.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,454 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.49ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 118.3MB in the end (delta: -40.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,454 INFO L158 Benchmark]: Boogie Preprocessor took 27.71ms. Allocated memory is still 151.0MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,455 INFO L158 Benchmark]: RCFGBuilder took 363.89ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 100.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,456 INFO L158 Benchmark]: CodeCheck took 611.12ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 69.0MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,456 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 151.0MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 982.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:49:00,459 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, 18 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, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 1581]: 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 1571. 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); [L1571] 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) [L1571] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=46, argc=46, argv={45:47}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [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] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, 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 0.16ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 986.54ms. Allocated memory was 109.1MB in the beginning and 151.0MB in the end (delta: 41.9MB). Free memory was 67.7MB in the beginning and 78.2MB in the end (delta: -10.5MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.49ms. Allocated memory is still 151.0MB. Free memory was 78.2MB in the beginning and 118.3MB in the end (delta: -40.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.71ms. Allocated memory is still 151.0MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.89ms. Allocated memory is still 151.0MB. Free memory was 116.3MB in the beginning and 100.7MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 611.12ms. Allocated memory is still 151.0MB. Free memory was 100.7MB in the beginning and 69.0MB in the end (delta: 31.7MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 151.0MB. Free memory was 69.0MB in the beginning and 68.0MB in the end (delta: 982.3kB). 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~nondet102 - 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 [2023-12-03 02:49:00,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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_afb14417-8f81-41f2-9dc6-45ce08b04200/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 f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:49:02,365 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:49:02,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:49:02,476 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:49:02,477 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:49:02,477 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:49:02,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:49:02,479 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:49:02,479 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:49:02,480 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:49:02,480 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:49:02,481 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:49:02,481 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:49:02,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:49:02,482 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:49:02,483 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:49:02,483 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:49:02,484 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:49:02,484 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:49:02,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:49:02,485 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:49:02,486 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:49:02,487 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:49:02,487 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:49:02,488 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:02,488 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:02,488 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:49:02,489 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:02,489 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:49:02,490 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:49:02,490 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:49:02,491 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:49:02,491 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:02,491 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:49:02,491 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:49:02,492 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:49:02,492 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_afb14417-8f81-41f2-9dc6-45ce08b04200/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f51cd66cc8ab187e6d0f388d838666fcffc43452be13bff3e7ff354d13db6cea [2023-12-03 02:49:02,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:49:02,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:49:02,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:49:02,782 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:49:02,782 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:49:02,783 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-12-03 02:49:05,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:49:05,896 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:49:05,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_66_bad.i [2023-12-03 02:49:05,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/7820f8359/d230bde7fde34c85a43228d6e6bba4b9/FLAG19f80014c [2023-12-03 02:49:05,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/data/7820f8359/d230bde7fde34c85a43228d6e6bba4b9 [2023-12-03 02:49:05,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:49:05,940 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:49:05,941 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:05,941 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:49:05,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:49:05,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:05" (1/1) ... [2023-12-03 02:49:05,948 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686b5ae0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:05, skipping insertion in model container [2023-12-03 02:49:05,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:49:05" (1/1) ... [2023-12-03 02:49:06,006 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:49:06,771 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:06,797 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:49:06,876 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:49:07,020 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:07,021 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:07,021 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:07,021 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:07,021 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:49:07,027 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:49:07,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07 WrapperNode [2023-12-03 02:49:07,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:49:07,028 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:07,028 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:49:07,028 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:49:07,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,086 INFO L138 Inliner]: procedures = 505, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 66 [2023-12-03 02:49:07,086 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:49:07,087 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:49:07,087 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:49:07,087 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:49:07,096 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,100 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,101 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,112 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,114 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,118 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,120 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,125 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:49:07,126 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:49:07,126 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:49:07,126 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:49:07,127 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:49:07,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:49:07,154 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:49:07,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:49:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:49:07,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:49:07,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:49:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:49:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:49:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:49:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:49:07,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 02:49:07,349 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:49:07,351 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:49:07,496 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:49:07,537 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:49:07,537 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:49:07,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:07 BoogieIcfgContainer [2023-12-03 02:49:07,539 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:49:07,539 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:49:07,540 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:49:07,547 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:49:07,547 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:07" (1/1) ... [2023-12-03 02:49:07,555 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:49:07,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:07,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 02:49:07,603 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 02:49:07,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:49:07,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:07,608 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:07,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:07,610 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:07,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:49:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:07,825 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:49:07,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:49:07,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 02:49:07,884 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:49:07,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:49:07,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:49:07,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:49:07,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 02:49:07,965 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 02:49:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:49:07,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:49:07,966 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:49:07,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:49:07,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:49:07,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:49:08,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:08,216 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:49:08,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:08,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:08,503 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:49:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:49:08,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:49:08,641 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:49:08,667 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 02:49:08,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:49:08 ImpRootNode [2023-12-03 02:49:08,673 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:49:08,674 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:49:08,674 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:49:08,674 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:49:08,674 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:49:07" (3/4) ... [2023-12-03 02:49:08,676 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:49:08,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:49:08,678 INFO L158 Benchmark]: Toolchain (without parser) took 2738.34ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 41.8MB in the end (delta: 27.6MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-03 02:49:08,679 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:08,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1086.33ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 64.9MB in the end (delta: 4.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-12-03 02:49:08,680 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.34ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 61.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:49:08,681 INFO L158 Benchmark]: Boogie Preprocessor took 38.33ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:49:08,681 INFO L158 Benchmark]: RCFGBuilder took 412.77ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-03 02:49:08,682 INFO L158 Benchmark]: CodeCheck took 1133.72ms. Allocated memory is still 96.5MB. Free memory was 41.3MB in the beginning and 41.8MB in the end (delta: -501.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:08,682 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 96.5MB. Free memory is still 41.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:49:08,685 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 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, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 84 ConjunctsInSsa, 2 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: 1581]: 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 1571. 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); [L1571] 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) [L1571] 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] [L1572] CALL CWE190_Integer_Overflow__int_fgets_multiply_66_bad() [L1551] int data; [L1552] int dataArray[5]; [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] dataArray[2] = data [L1566] CALL CWE190_Integer_Overflow__int_fgets_multiply_66b_badSink(dataArray) [L1578] EXPR dataArray[2] [L1578] int data = dataArray[2]; [L1579] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, dataArray={6:0}, dataArray={6:0}, 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 0.18ms. Allocated memory is still 65.0MB. Free memory was 41.2MB in the beginning and 41.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1086.33ms. Allocated memory is still 96.5MB. Free memory was 69.4MB in the beginning and 64.9MB in the end (delta: 4.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.34ms. Allocated memory is still 96.5MB. Free memory was 64.9MB in the beginning and 61.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.33ms. Allocated memory is still 96.5MB. Free memory was 61.8MB in the beginning and 59.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 412.77ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 41.3MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1133.72ms. Allocated memory is still 96.5MB. Free memory was 41.3MB in the beginning and 41.8MB in the end (delta: -501.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 96.5MB. Free memory is still 41.8MB. 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~nondet100 - 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 [2023-12-03 02:49:08,703 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afb14417-8f81-41f2-9dc6-45ce08b04200/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