./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_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_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi --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 4761737d1c864680c527da1efdc24c3e2fd5d6a77a87f00b58d8b2880696b1dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:19,278 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:19,367 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:56:19,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:19,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:19,447 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:19,449 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:19,450 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:19,451 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:19,451 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:19,452 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:19,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:19,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:19,458 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:19,459 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:19,460 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:19,460 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:19,461 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:19,461 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:19,462 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:19,463 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:19,464 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:19,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:19,469 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:19,469 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:19,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:19,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:19,471 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:19,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:19,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:19,480 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:19,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:19,481 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_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4761737d1c864680c527da1efdc24c3e2fd5d6a77a87f00b58d8b2880696b1dd [2023-11-24 22:56:19,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:19,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:19,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:19,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:19,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:19,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i [2023-11-24 22:56:22,991 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:23,481 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:23,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i [2023-11-24 22:56:23,522 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/5211b15a7/13d447a09aa449d7b1003c9e2088bbd2/FLAG177ad1a66 [2023-11-24 22:56:23,544 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/5211b15a7/13d447a09aa449d7b1003c9e2088bbd2 [2023-11-24 22:56:23,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:23,551 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:23,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:23,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:23,560 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:23,561 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,562 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59d01388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:23, skipping insertion in model container [2023-11-24 22:56:23,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:23" (1/1) ... [2023-11-24 22:56:23,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:24,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:24,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:24,919 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:25,107 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:25,108 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:25,108 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:25,108 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:25,108 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:25,117 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:25,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25 WrapperNode [2023-11-24 22:56:25,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:25,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:25,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:25,120 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:25,128 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,217 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-24 22:56:25,218 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:25,218 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:25,219 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:25,219 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:25,226 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,226 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,230 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,236 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:25,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:25,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:25,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:25,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:25,269 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:25,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:56:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:25,378 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:25,378 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:25,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:25,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:25,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:25,569 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:25,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:25,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:25,772 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:25,772 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:25,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:25 BoogieIcfgContainer [2023-11-24 22:56:25,774 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:25,775 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:25,775 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:25,785 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:25,786 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:25" (1/1) ... [2023-11-24 22:56:25,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-24 22:56:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-24 22:56:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:25,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-24 22:56:26,214 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-24 22:56:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:26,215 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:26,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:26,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:26,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:26,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:26,516 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:26,558 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-11-24 22:56:26,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:26 ImpRootNode [2023-11-24 22:56:26,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:26,570 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:26,570 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:26,570 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:26,571 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:25" (3/4) ... [2023-11-24 22:56:26,573 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:26,575 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:26,576 INFO L158 Benchmark]: Toolchain (without parser) took 3024.28ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 91.7MB in the end (delta: 39.0MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,578 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:26,578 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1564.54ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 120.5MB in the end (delta: 10.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,579 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.74ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 117.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,581 INFO L158 Benchmark]: Boogie Preprocessor took 27.40ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 116.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,582 INFO L158 Benchmark]: RCFGBuilder took 527.51ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 120.0MB in the end (delta: -3.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,583 INFO L158 Benchmark]: CodeCheck took 792.97ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 91.7MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:26,588 INFO L158 Benchmark]: Witness Printer took 5.13ms. Allocated memory is still 165.7MB. Free memory is still 91.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:26,596 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: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, 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 0.32ms. Allocated memory is still 117.4MB. Free memory is still 91.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1564.54ms. Allocated memory is still 165.7MB. Free memory was 130.7MB in the beginning and 120.5MB in the end (delta: 10.3MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.74ms. Allocated memory is still 165.7MB. Free memory was 120.5MB in the beginning and 117.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.40ms. Allocated memory is still 165.7MB. Free memory was 117.4MB in the beginning and 116.3MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 527.51ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 120.0MB in the end (delta: -3.7MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. * CodeCheck took 792.97ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 91.7MB in the end (delta: 28.3MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 5.13ms. Allocated memory is still 165.7MB. Free memory is still 91.7MB. 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~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 [2023-11-24 22:56:26,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/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 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_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi --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 4761737d1c864680c527da1efdc24c3e2fd5d6a77a87f00b58d8b2880696b1dd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:29,576 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:29,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:56:29,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:29,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:29,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:29,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:29,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:29,782 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:29,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:29,788 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:29,789 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:29,789 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:29,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:29,792 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:56:29,792 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:56:29,793 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:29,793 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:56:29,794 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:29,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:29,795 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:29,796 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:29,797 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:29,797 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:29,798 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:29,798 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:29,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:29,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:29,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:29,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:29,802 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:29,803 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:56:29,803 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:29,804 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:29,804 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:56:29,804 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:56:29,805 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_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4761737d1c864680c527da1efdc24c3e2fd5d6a77a87f00b58d8b2880696b1dd [2023-11-24 22:56:30,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:30,315 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:30,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:30,320 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:30,320 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:30,322 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i [2023-11-24 22:56:33,726 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:34,257 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:34,258 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_41_bad.i [2023-11-24 22:56:34,300 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/b4ab15978/8a1bb79a00aa447e8db6cb9fb07e3796/FLAG1567a7115 [2023-11-24 22:56:34,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/data/b4ab15978/8a1bb79a00aa447e8db6cb9fb07e3796 [2023-11-24 22:56:34,325 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:34,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:34,330 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:34,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:34,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:34,337 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:34" (1/1) ... [2023-11-24 22:56:34,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5239e07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:34, skipping insertion in model container [2023-11-24 22:56:34,339 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:34" (1/1) ... [2023-11-24 22:56:34,440 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:35,656 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:35,672 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:35,851 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:36,005 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:36,005 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:36,005 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:36,005 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:36,006 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:56:36,014 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:36,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36 WrapperNode [2023-11-24 22:56:36,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:36,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,015 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:36,015 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:36,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,075 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,103 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 59 [2023-11-24 22:56:36,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:36,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:36,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:36,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,119 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,124 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,150 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,156 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,165 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,170 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:36,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:36,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:36,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:36,172 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:36,213 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:56:36,259 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:56:36,259 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:56:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:56:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:56:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:36,260 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:36,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:56:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:56:36,261 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:56:36,445 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:36,448 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:36,646 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:36,722 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:36,722 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:36,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36 BoogieIcfgContainer [2023-11-24 22:56:36,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:36,725 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:36,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:36,736 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:36,737 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (1/1) ... [2023-11-24 22:56:36,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:36,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-11-24 22:56:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-11-24 22:56:36,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:56:36,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,828 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:36,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:36,836 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:36,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,057 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:37,148 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:37,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:37,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-24 22:56:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-24 22:56:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:37,205 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,205 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:37,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:37,208 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:37,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:56:37,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,428 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:56:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:56:37,697 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 22:56:37,698 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:56:37,737 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-11-24 22:56:37,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:37 ImpRootNode [2023-11-24 22:56:37,745 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:37,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:37,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:37,746 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:37,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:36" (3/4) ... [2023-11-24 22:56:37,749 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:56:37,750 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:37,751 INFO L158 Benchmark]: Toolchain (without parser) took 3424.24ms. Allocated memory is still 102.8MB. Free memory was 75.3MB in the beginning and 43.4MB in the end (delta: 31.9MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,752 INFO L158 Benchmark]: CDTParser took 0.76ms. Allocated memory is still 75.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:37,752 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1684.32ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 64.6MB in the end (delta: 10.4MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,753 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.03ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 61.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,754 INFO L158 Benchmark]: Boogie Preprocessor took 65.12ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 59.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,759 INFO L158 Benchmark]: RCFGBuilder took 554.09ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 71.7MB in the end (delta: -12.3MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,761 INFO L158 Benchmark]: CodeCheck took 1019.51ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 43.9MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 22:56:37,761 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 102.8MB. Free memory was 43.9MB in the beginning and 43.4MB in the end (delta: 529.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:37,778 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: 0.9s, 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, 66 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: 1552]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564, overapproximation of large string literal at line 1576. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_multiply_41_bad() [L1558] int data; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL badSink(data) [L1550] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=1073741824, data=1073741824, 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 0.76ms. Allocated memory is still 75.5MB. Free memory is still 51.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1684.32ms. Allocated memory is still 102.8MB. Free memory was 75.0MB in the beginning and 64.6MB in the end (delta: 10.4MB). Peak memory consumption was 33.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.03ms. Allocated memory is still 102.8MB. Free memory was 64.6MB in the beginning and 61.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.12ms. Allocated memory is still 102.8MB. Free memory was 61.6MB in the beginning and 59.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 554.09ms. Allocated memory is still 102.8MB. Free memory was 59.5MB in the beginning and 71.7MB in the end (delta: -12.3MB). Peak memory consumption was 18.6MB. Max. memory is 16.1GB. * CodeCheck took 1019.51ms. Allocated memory is still 102.8MB. Free memory was 71.7MB in the beginning and 43.9MB in the end (delta: 27.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 102.8MB. Free memory was 43.9MB in the beginning and 43.4MB in the end (delta: 529.3kB). 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 [2023-11-24 22:56:37,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a694a86f-5a2e-4eea-a23e-b7cda343c360/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample