./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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_3464420a-51e5-4263-a94b-0ced35f63a8b/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 fd07cbd63d09d5ea9090f26e4c61f069d0edc15a19da1ad81d8362635553e7b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:31:43,723 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:31:43,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 03:31:43,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:31:43,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:31:43,817 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:31:43,818 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:31:43,819 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:31:43,820 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:31:43,820 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:31:43,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:31:43,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:31:43,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:31:43,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:31:43,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:31:43,823 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:31:43,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:31:43,824 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:31:43,825 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:31:43,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:31:43,826 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:31:43,827 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:31:43,827 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:31:43,828 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:31:43,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:31:43,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:43,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:31:43,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:31:43,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:31:43,830 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:31:43,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:31:43,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:31:43,832 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_3464420a-51e5-4263-a94b-0ced35f63a8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd07cbd63d09d5ea9090f26e4c61f069d0edc15a19da1ad81d8362635553e7b1 [2023-12-03 03:31:44,033 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:31:44,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:31:44,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:31:44,057 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:31:44,058 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:31:44,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i [2023-12-03 03:31:46,885 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:31:47,184 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:31:47,185 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i [2023-12-03 03:31:47,208 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/8751715ef/6a4b02df97104594a6088279d349bcdc/FLAG3be7924cd [2023-12-03 03:31:47,223 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/8751715ef/6a4b02df97104594a6088279d349bcdc [2023-12-03 03:31:47,225 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:31:47,227 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:31:47,228 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:47,228 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:31:47,233 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:31:47,234 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:47" (1/1) ... [2023-12-03 03:31:47,235 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66a629f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:47, skipping insertion in model container [2023-12-03 03:31:47,235 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:47" (1/1) ... [2023-12-03 03:31:47,302 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:31:47,998 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:48,010 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:31:48,088 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:48,244 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:48,245 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:48,245 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:48,245 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:48,245 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:48,253 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:31:48,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48 WrapperNode [2023-12-03 03:31:48,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:48,255 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:48,255 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:31:48,255 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:31:48,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,308 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 65 [2023-12-03 03:31:48,309 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:48,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:31:48,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:31:48,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:31:48,317 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,328 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,330 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,331 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,333 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:31:48,334 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:31:48,334 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:31:48,334 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:31:48,335 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:48,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:31:48,365 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:31:48,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:31:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:31:48,394 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:31:48,394 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 03:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:31:48,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:31:48,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:31:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:31:48,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:31:48,534 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:31:48,536 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:31:48,647 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:31:48,684 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:31:48,685 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:31:48,686 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:48 BoogieIcfgContainer [2023-12-03 03:31:48,686 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:31:48,687 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:31:48,687 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:31:48,695 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:31:48,695 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:48" (1/1) ... [2023-12-03 03:31:48,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:31:48,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:48,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 03:31:48,751 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 03:31:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:48,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:48,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:49,016 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 03:31:49,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:49,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 03:31:49,050 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 03:31:49,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:31:49,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:49,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:31:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:49,089 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:49,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:49,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:49,215 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:31:49,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 03:31:49,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:31:49 ImpRootNode [2023-12-03 03:31:49,243 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:31:49,244 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:31:49,244 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:31:49,244 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:31:49,244 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:48" (3/4) ... [2023-12-03 03:31:49,246 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:31:49,247 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:31:49,248 INFO L158 Benchmark]: Toolchain (without parser) took 2021.45ms. Allocated memory is still 155.2MB. Free memory was 113.1MB in the beginning and 101.8MB in the end (delta: 11.3MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:49,249 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:49,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1025.89ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 90.6MB in the end (delta: 22.0MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. [2023-12-03 03:31:49,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.88ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 87.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:49,251 INFO L158 Benchmark]: Boogie Preprocessor took 24.25ms. Allocated memory is still 155.2MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:49,251 INFO L158 Benchmark]: RCFGBuilder took 352.50ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 70.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 03:31:49,252 INFO L158 Benchmark]: CodeCheck took 555.76ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 101.8MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:49,252 INFO L158 Benchmark]: Witness Printer took 3.92ms. Allocated memory is still 155.2MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:49,255 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: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 7 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563. 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); [L1563] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=30, argc=30, argv={31:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1572] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] EXPR data = atoi(inputBuffer) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1570-L1580] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1581] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.23ms. Allocated memory is still 115.3MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1025.89ms. Allocated memory is still 155.2MB. Free memory was 112.7MB in the beginning and 90.6MB in the end (delta: 22.0MB). Peak memory consumption was 44.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.88ms. Allocated memory is still 155.2MB. Free memory was 90.6MB in the beginning and 87.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.25ms. Allocated memory is still 155.2MB. Free memory was 87.4MB in the beginning and 86.2MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 352.50ms. Allocated memory is still 155.2MB. Free memory was 85.3MB in the beginning and 70.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 555.76ms. Allocated memory is still 155.2MB. Free memory was 70.6MB in the beginning and 101.8MB in the end (delta: -31.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.92ms. Allocated memory is still 155.2MB. Free memory is still 101.8MB. 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 03:31:49,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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_3464420a-51e5-4263-a94b-0ced35f63a8b/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 fd07cbd63d09d5ea9090f26e4c61f069d0edc15a19da1ad81d8362635553e7b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:31:51,179 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:31:51,264 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 03:31:51,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:31:51,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:31:51,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:31:51,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:31:51,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:31:51,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:31:51,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:31:51,301 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:31:51,301 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:31:51,302 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:31:51,302 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:31:51,303 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:31:51,303 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:31:51,304 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 03:31:51,304 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:31:51,305 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 03:31:51,305 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:31:51,306 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:31:51,306 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:31:51,307 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:31:51,307 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:31:51,308 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:51,308 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:31:51,308 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:31:51,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:51,309 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:31:51,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:31:51,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:31:51,310 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:31:51,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:51,311 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:31:51,311 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:31:51,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:31:51,312 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_3464420a-51e5-4263-a94b-0ced35f63a8b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd07cbd63d09d5ea9090f26e4c61f069d0edc15a19da1ad81d8362635553e7b1 [2023-12-03 03:31:51,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:31:51,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:31:51,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:31:51,611 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:31:51,611 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:31:51,613 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i [2023-12-03 03:31:54,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:31:54,652 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:31:54,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_61_bad.i [2023-12-03 03:31:54,675 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/2ef97a3b5/4eb633d7229a48cc9db19f002149028c/FLAG498fc400e [2023-12-03 03:31:54,690 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/data/2ef97a3b5/4eb633d7229a48cc9db19f002149028c [2023-12-03 03:31:54,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:31:54,694 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:31:54,696 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:54,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:31:54,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:31:54,701 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:54" (1/1) ... [2023-12-03 03:31:54,703 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bd5acc5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:54, skipping insertion in model container [2023-12-03 03:31:54,703 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:31:54" (1/1) ... [2023-12-03 03:31:54,763 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:31:55,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:55,574 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:31:55,673 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:31:55,804 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:55,804 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:55,804 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:55,805 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:55,805 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 03:31:55,810 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:31:55,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55 WrapperNode [2023-12-03 03:31:55,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:31:55,812 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:55,812 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:31:55,812 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:31:55,818 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,847 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,871 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 63 [2023-12-03 03:31:55,871 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:31:55,872 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:31:55,872 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:31:55,872 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:31:55,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,886 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,886 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,895 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,901 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:31:55,909 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:31:55,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:31:55,910 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:31:55,911 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:31:55" (1/1) ... [2023-12-03 03:31:55,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:31:55,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:31:55,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:31:55,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:31:55,989 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 03:31:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 03:31:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 03:31:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:31:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:31:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:31:55,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:31:55,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:31:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:31:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 03:31:55,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 03:31:56,153 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:31:56,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:31:56,289 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:31:56,330 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:31:56,331 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 03:31:56,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:56 BoogieIcfgContainer [2023-12-03 03:31:56,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:31:56,333 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:31:56,334 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:31:56,344 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:31:56,344 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:56" (1/1) ... [2023-12-03 03:31:56,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:31:56,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2023-12-03 03:31:56,412 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2023-12-03 03:31:56,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:31:56,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:56,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:56,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:56,419 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:56,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:31:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:56,614 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:31:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:31:56,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-03 03:31:56,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:31:56,703 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 03:31:56,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:31:56,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:31:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-12-03 03:31:56,757 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-12-03 03:31:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 03:31:56,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:31:56,758 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:31:56,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:31:56,760 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:31:56,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:31:56,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:56,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:57,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:31:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:31:57,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:31:57,213 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:31:57,214 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:31:57,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet98 [2023-12-03 03:31:57,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:31:57 ImpRootNode [2023-12-03 03:31:57,240 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:31:57,240 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:31:57,240 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:31:57,241 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:31:57,241 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:31:56" (3/4) ... [2023-12-03 03:31:57,242 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:31:57,243 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:31:57,244 INFO L158 Benchmark]: Toolchain (without parser) took 2549.68ms. Allocated memory is still 115.3MB. Free memory was 89.2MB in the beginning and 67.8MB in the end (delta: 21.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-12-03 03:31:57,244 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:57,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1115.36ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 84.7MB in the end (delta: 4.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-12-03 03:31:57,246 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.80ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 81.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:31:57,246 INFO L158 Benchmark]: Boogie Preprocessor took 36.70ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:31:57,247 INFO L158 Benchmark]: RCFGBuilder took 423.17ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 62.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:31:57,247 INFO L158 Benchmark]: CodeCheck took 906.50ms. Allocated memory is still 115.3MB. Free memory was 62.2MB in the beginning and 67.8MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:57,248 INFO L158 Benchmark]: Witness Printer took 2.97ms. Allocated memory is still 115.3MB. Free memory is still 67.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:31:57,251 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, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 12 mSDtfsCounter, 7 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, 68 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: 1556]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563. 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); [L1563] 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={2:0}] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_fgets_multiply_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1572] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] EXPR data = atoi(inputBuffer) [L1571] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1570-L1580] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1581] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_multiply_61b_badSource(data) [L1554] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1556] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.21ms. Allocated memory is still 69.2MB. Free memory is still 46.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1115.36ms. Allocated memory is still 115.3MB. Free memory was 89.1MB in the beginning and 84.7MB in the end (delta: 4.4MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.80ms. Allocated memory is still 115.3MB. Free memory was 84.7MB in the beginning and 81.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.70ms. Allocated memory is still 115.3MB. Free memory was 81.9MB in the beginning and 79.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.17ms. Allocated memory is still 115.3MB. Free memory was 79.6MB in the beginning and 62.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 906.50ms. Allocated memory is still 115.3MB. Free memory was 62.2MB in the beginning and 67.8MB in the end (delta: -5.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.97ms. Allocated memory is still 115.3MB. Free memory is still 67.8MB. 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~nondet98 - 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 03:31:57,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3464420a-51e5-4263-a94b-0ced35f63a8b/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