./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL --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 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:17,133 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:17,262 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:08:17,269 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:08:17,270 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:08:17,299 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:17,301 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:17,302 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:17,303 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:17,309 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:17,309 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:17,310 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:17,311 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:08:17,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:17,313 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:17,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:17,314 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:17,315 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:17,315 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:17,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:17,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:17,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:17,318 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:17,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:17,319 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:17,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:17,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:17,321 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:17,321 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:17,322 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:08:17,323 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:08:17,323 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:17,324 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_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 [2023-11-19 04:08:17,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:17,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:17,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:17,699 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:17,700 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:17,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2023-11-19 04:08:20,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:21,411 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:21,415 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2023-11-19 04:08:21,453 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/3d3a6db55/6c3132e6b8704bfa884d5fb5ae67820a/FLAGc1d8f0717 [2023-11-19 04:08:21,471 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/3d3a6db55/6c3132e6b8704bfa884d5fb5ae67820a [2023-11-19 04:08:21,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:21,479 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:21,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:21,485 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:21,489 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:21,490 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:21" (1/1) ... [2023-11-19 04:08:21,491 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183197e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:21, skipping insertion in model container [2023-11-19 04:08:21,491 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:21" (1/1) ... [2023-11-19 04:08:21,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:21,914 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:08:22,446 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:22,460 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:22,502 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:08:22,629 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:22,783 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,784 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,784 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,784 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,784 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,785 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:22,794 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:22,795 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22 WrapperNode [2023-11-19 04:08:22,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:22,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:22,797 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:22,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:22,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,837 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,865 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-19 04:08:22,866 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:22,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:22,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:22,867 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:22,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,881 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:22,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:22,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:22,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:22,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:22" (1/1) ... [2023-11-19 04:08:22,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:22,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:22,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:22,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:08:22,990 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:08:22,990 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:08:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 04:08:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:22,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:22,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:08:22,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:23,156 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:23,158 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:23,334 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:23,393 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:23,396 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:23,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:23 BoogieIcfgContainer [2023-11-19 04:08:23,401 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:23,402 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:23,402 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:23,411 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:23,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:23" (1/1) ... [2023-11-19 04:08:23,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:23,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 04:08:23,476 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 04:08:23,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:08:23,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:23,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:23,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 04:08:23,940 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 04:08:23,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:23,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:23,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:23,981 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:08:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:24,098 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:08:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:24,131 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:08:24,161 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-19 04:08:24,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:08:24 ImpRootNode [2023-11-19 04:08:24,166 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:08:24,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:08:24,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:08:24,170 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:08:24,171 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:23" (3/4) ... [2023-11-19 04:08:24,176 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:08:24,177 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:08:24,178 INFO L158 Benchmark]: Toolchain (without parser) took 2699.23ms. Allocated memory is still 182.5MB. Free memory was 135.6MB in the beginning and 111.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,179 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:24,180 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1310.79ms. Allocated memory is still 182.5MB. Free memory was 135.6MB in the beginning and 73.2MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,181 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.30ms. Allocated memory is still 182.5MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,182 INFO L158 Benchmark]: Boogie Preprocessor took 30.89ms. Allocated memory is still 182.5MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,183 INFO L158 Benchmark]: RCFGBuilder took 503.41ms. Allocated memory is still 182.5MB. Free memory was 68.9MB in the beginning and 144.3MB in the end (delta: -75.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,184 INFO L158 Benchmark]: CodeCheck took 764.37ms. Allocated memory is still 182.5MB. Free memory was 144.3MB in the beginning and 112.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2023-11-19 04:08:24,191 INFO L158 Benchmark]: Witness Printer took 10.18ms. Allocated memory is still 182.5MB. Free memory was 112.9MB in the beginning and 111.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:24,195 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, 15 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564. 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)=28, argc=28, argv={29:27}, argv={29:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_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) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 134.2MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1310.79ms. Allocated memory is still 182.5MB. Free memory was 135.6MB in the beginning and 73.2MB in the end (delta: 62.4MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.30ms. Allocated memory is still 182.5MB. Free memory was 73.2MB in the beginning and 70.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.89ms. Allocated memory is still 182.5MB. Free memory was 70.6MB in the beginning and 68.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 503.41ms. Allocated memory is still 182.5MB. Free memory was 68.9MB in the beginning and 144.3MB in the end (delta: -75.4MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * CodeCheck took 764.37ms. Allocated memory is still 182.5MB. Free memory was 144.3MB in the beginning and 112.9MB in the end (delta: 31.5MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Witness Printer took 10.18ms. Allocated memory is still 182.5MB. Free memory was 112.9MB in the beginning and 111.8MB in the end (delta: 1.0MB). 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: IdentifierExpression #t~post98 could not be translated - 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 [2023-11-19 04:08:24,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/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_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL --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 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:08:27,033 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:08:27,185 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 04:08:27,250 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:08:27,251 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:08:27,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:08:27,253 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:08:27,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:08:27,255 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:08:27,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:08:27,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:08:27,261 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:08:27,261 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:08:27,263 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:08:27,264 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:08:27,264 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:08:27,265 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:08:27,265 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:08:27,266 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:08:27,267 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:08:27,267 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:08:27,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:08:27,269 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:08:27,269 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:08:27,270 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:27,270 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:27,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:08:27,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:27,272 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:08:27,272 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:08:27,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:08:27,274 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:08:27,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:27,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:08:27,275 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:08:27,276 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:08:27,276 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_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 19f71b33981d45bfaf89d18943aa51a1d43ccac507b6487cdf8542390b8e7750 [2023-11-19 04:08:27,742 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:08:27,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:08:27,773 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:08:27,774 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:08:27,776 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:08:27,778 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2023-11-19 04:08:31,226 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:31,737 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:31,738 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_41_bad.i [2023-11-19 04:08:31,776 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/f4df45ff3/23d24f1109d74095a67a0c7e6a8bf212/FLAG809525c85 [2023-11-19 04:08:31,795 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/data/f4df45ff3/23d24f1109d74095a67a0c7e6a8bf212 [2023-11-19 04:08:31,802 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:31,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:31,810 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:31,811 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:31,819 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:31,821 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:31" (1/1) ... [2023-11-19 04:08:31,822 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e5e45ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:31, skipping insertion in model container [2023-11-19 04:08:31,823 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:31" (1/1) ... [2023-11-19 04:08:31,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:32,440 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:08:33,040 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:33,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:33,103 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 04:08:33,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,365 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 04:08:33,374 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:33,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33 WrapperNode [2023-11-19 04:08:33,374 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:33,375 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:33,375 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:33,375 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:33,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,422 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,455 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 56 [2023-11-19 04:08:33,456 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:33,456 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:33,457 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:33,457 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:33,471 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,503 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,505 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,522 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,529 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:33,530 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:33,530 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:33,530 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:33,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:33" (1/1) ... [2023-11-19 04:08:33,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:33,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:33,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:33,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 04:08:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 04:08:33,621 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 04:08:33,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:08:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:08:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:33,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:33,622 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:08:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 04:08:33,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 04:08:33,787 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:33,790 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:33,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:34,037 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:34,038 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:08:34,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:34 BoogieIcfgContainer [2023-11-19 04:08:34,052 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:34,053 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:34,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:34,065 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:34,065 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:34" (1/1) ... [2023-11-19 04:08:34,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:34,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:34,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 04:08:34,167 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 04:08:34,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:08:34,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:34,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:34,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:34,180 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:34,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:08:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:34,335 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:08:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:34,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:08:34,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:08:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:34,405 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:08:34,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 04:08:34,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:34,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 04:08:34,447 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 04:08:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:34,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:34,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:08:34,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:08:34,453 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:08:34,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:08:34,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:34,664 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:08:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:34,882 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:08:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:08:34,953 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:08:34,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 04:08:34,964 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:08:35,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated [2023-11-19 04:08:35,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:08:35 ImpRootNode [2023-11-19 04:08:35,026 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:08:35,027 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:08:35,028 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:08:35,028 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:08:35,028 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:34" (3/4) ... [2023-11-19 04:08:35,031 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:08:35,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:08:35,033 INFO L158 Benchmark]: Toolchain (without parser) took 3229.26ms. Allocated memory is still 109.1MB. Free memory was 81.8MB in the beginning and 56.9MB in the end (delta: 24.9MB). Peak memory consumption was 28.6MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,034 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:35,035 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1564.94ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 74.6MB in the end (delta: 6.9MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,036 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.48ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 71.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,037 INFO L158 Benchmark]: Boogie Preprocessor took 72.60ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,044 INFO L158 Benchmark]: RCFGBuilder took 522.56ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 52.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:08:35,045 INFO L158 Benchmark]: CodeCheck took 973.27ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 56.9MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:35,046 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 109.1MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:08:35,054 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, 15 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, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564. 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}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_postinc_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) [L1551] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 73.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1564.94ms. Allocated memory is still 109.1MB. Free memory was 81.5MB in the beginning and 74.6MB in the end (delta: 6.9MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.48ms. Allocated memory is still 109.1MB. Free memory was 74.6MB in the beginning and 71.4MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.60ms. Allocated memory is still 109.1MB. Free memory was 71.4MB in the beginning and 69.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.56ms. Allocated memory is still 109.1MB. Free memory was 69.3MB in the beginning and 52.1MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 973.27ms. Allocated memory is still 109.1MB. Free memory was 52.1MB in the beginning and 56.9MB in the end (delta: -4.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 109.1MB. Free memory is still 56.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post96 could not be translated - 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 [2023-11-19 04:08:35,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae18083b-4b6b-4f01-9164-265da46d488f/bin/ukojak-verify-G8NBE6pJGL/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