./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_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_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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_965187f2-0ec1-487c-bc91-a8292fdfc29c/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 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:17,633 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:17,761 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:41:17,766 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:41:17,767 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:41:17,815 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:17,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:17,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:17,818 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:17,819 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:17,820 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:17,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:17,822 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:41:17,822 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:17,823 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:17,824 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:17,824 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:17,825 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:17,826 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:17,826 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:17,827 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:17,830 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:17,830 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:17,831 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:17,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:17,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:17,833 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:17,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:17,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:17,835 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:41:17,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:41:17,837 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:17,837 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_965187f2-0ec1-487c-bc91-a8292fdfc29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a [2023-11-19 03:41:18,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:18,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:18,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:18,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:18,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:18,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2023-11-19 03:41:22,076 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:22,664 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:22,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2023-11-19 03:41:22,713 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/e37128bd1/1d9f61033ebf44a5b078ff91ed527d39/FLAGc32794927 [2023-11-19 03:41:22,737 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/e37128bd1/1d9f61033ebf44a5b078ff91ed527d39 [2023-11-19 03:41:22,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:22,751 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:22,756 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:22,756 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:22,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:22,764 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,765 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b9bd0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:22, skipping insertion in model container [2023-11-19 03:41:22,766 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:22" (1/1) ... [2023-11-19 03:41:22,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:23,412 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:24,101 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:24,117 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:24,175 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:24,304 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:24,559 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,560 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,560 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,561 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,561 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,561 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:24,571 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:24,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24 WrapperNode [2023-11-19 03:41:24,573 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:24,574 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:24,574 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:24,575 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:24,585 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,709 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-19 03:41:24,710 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:24,711 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:24,711 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:24,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:24,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,737 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,740 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,744 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:24,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:24,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:24,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:24,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:24" (1/1) ... [2023-11-19 03:41:24,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:24,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:24,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:24,848 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:41:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:41:24,849 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:41:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:24,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:41:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:24,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:41:24,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:41:25,071 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:25,074 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:25,227 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:25,290 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:25,290 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:41:25,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:25 BoogieIcfgContainer [2023-11-19 03:41:25,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:25,298 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:25,298 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:25,313 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:25,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:25" (1/1) ... [2023-11-19 03:41:25,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:25,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:41:25,405 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:41:25,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:25,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:25,858 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 03:41:25,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:25,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:41:25,977 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:41:25,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:41:25,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:25,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:41:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:26,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:26,233 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:26,273 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:41:26,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:26 ImpRootNode [2023-11-19 03:41:26,337 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:26,338 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:26,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:26,339 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:26,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:25" (3/4) ... [2023-11-19 03:41:26,347 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:41:26,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:26,350 INFO L158 Benchmark]: Toolchain (without parser) took 3598.93ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 104.6MB in the beginning and 90.6MB in the end (delta: 14.0MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,352 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 151.0MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:26,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1817.49ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 104.6MB in the beginning and 144.0MB in the end (delta: -39.4MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 136.07ms. Allocated memory is still 199.2MB. Free memory was 144.0MB in the beginning and 140.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,355 INFO L158 Benchmark]: Boogie Preprocessor took 37.81ms. Allocated memory is still 199.2MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,357 INFO L158 Benchmark]: RCFGBuilder took 546.84ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 124.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,364 INFO L158 Benchmark]: CodeCheck took 1039.60ms. Allocated memory is still 199.2MB. Free memory was 124.1MB in the beginning and 91.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-19 03:41:26,365 INFO L158 Benchmark]: Witness Printer took 10.45ms. Allocated memory is still 199.2MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:26,376 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, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.1s 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, 0.3s 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567. 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); [L1548] static int CWE190_Integer_Overflow__int_fgets_add_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, 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) [L1580] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=28, argc=28, argv={29:12}, argv={29:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] EXPR data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563-L1573] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1574] CWE190_Integer_Overflow__int_fgets_add_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_add_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.29ms. Allocated memory is still 151.0MB. Free memory is still 96.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1817.49ms. Allocated memory was 151.0MB in the beginning and 199.2MB in the end (delta: 48.2MB). Free memory was 104.6MB in the beginning and 144.0MB in the end (delta: -39.4MB). Peak memory consumption was 56.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 136.07ms. Allocated memory is still 199.2MB. Free memory was 144.0MB in the beginning and 140.9MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.81ms. Allocated memory is still 199.2MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.84ms. Allocated memory is still 199.2MB. Free memory was 138.8MB in the beginning and 124.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1039.60ms. Allocated memory is still 199.2MB. Free memory was 124.1MB in the beginning and 91.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 10.45ms. Allocated memory is still 199.2MB. Free memory was 91.6MB in the beginning and 90.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:41:26,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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_965187f2-0ec1-487c-bc91-a8292fdfc29c/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 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:41:29,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:41:29,623 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:41:29,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:41:29,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:41:29,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:41:29,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:41:29,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:41:29,663 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:41:29,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:41:29,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:41:29,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:41:29,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:41:29,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:41:29,668 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:41:29,668 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:41:29,669 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:41:29,670 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:41:29,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:41:29,671 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:41:29,672 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:41:29,673 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:41:29,673 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:41:29,674 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:41:29,675 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:29,675 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:29,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:41:29,676 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:29,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:41:29,678 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:41:29,679 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:41:29,679 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:41:29,680 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:29,680 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:41:29,681 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:41:29,682 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:41:29,682 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_965187f2-0ec1-487c-bc91-a8292fdfc29c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0154aeb4546438fd959913f3ea1edb15628dae975b6748d0437c64955b16ea8a [2023-11-19 03:41:30,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:41:30,269 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:41:30,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:41:30,275 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:41:30,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:41:30,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2023-11-19 03:41:34,134 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:41:34,673 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:41:34,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_45_bad.i [2023-11-19 03:41:34,729 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/2a37767f7/187f70c172e8458ea34d94a8cbb0748d/FLAGa2c31e3d5 [2023-11-19 03:41:34,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/data/2a37767f7/187f70c172e8458ea34d94a8cbb0748d [2023-11-19 03:41:34,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:41:34,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:41:34,752 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:34,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:41:34,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:41:34,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:34" (1/1) ... [2023-11-19 03:41:34,761 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fd248df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:34, skipping insertion in model container [2023-11-19 03:41:34,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:41:34" (1/1) ... [2023-11-19 03:41:34,867 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:41:35,327 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:36,189 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:36,208 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:41:36,237 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:41:36,371 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:41:36,642 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,642 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,642 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,643 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,643 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,643 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:41:36,653 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:41:36,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36 WrapperNode [2023-11-19 03:41:36,654 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:41:36,656 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:36,656 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:41:36,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:41:36,665 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,773 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 57 [2023-11-19 03:41:36,774 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:41:36,775 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:41:36,775 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:41:36,775 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:41:36,786 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,832 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,842 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,851 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,857 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:41:36,862 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:41:36,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:41:36,863 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:41:36,865 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:41:36" (1/1) ... [2023-11-19 03:41:36,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:41:36,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:41:36,905 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:41:36,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:41:36,974 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:41:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:41:36,975 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:41:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:41:36,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:41:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:41:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:41:36,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:41:36,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:41:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:41:36,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:41:37,192 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:41:37,195 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:41:37,361 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:41:37,413 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:41:37,413 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:41:37,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:37 BoogieIcfgContainer [2023-11-19 03:41:37,419 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:41:37,420 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:41:37,421 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:41:37,433 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:41:37,433 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:37" (1/1) ... [2023-11-19 03:41:37,444 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:41:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:37,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 03:41:37,515 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 03:41:37,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 03:41:37,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:37,521 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:37,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:37,523 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:37,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:41:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:37,748 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:41:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:41:37,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:41:37,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:41:37,829 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 03:41:37,831 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:37,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:37,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:41:37,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 03:41:37,881 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 03:41:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:41:37,882 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:41:37,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:41:37,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:41:37,886 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:41:37,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:41:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:38,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:38,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:38,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:41:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:41:38,466 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:41:38,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:41:38,477 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:41:38,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:41:38 ImpRootNode [2023-11-19 03:41:38,524 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:41:38,525 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:41:38,525 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:41:38,525 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:41:38,526 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:41:37" (3/4) ... [2023-11-19 03:41:38,527 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:41:38,528 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:41:38,530 INFO L158 Benchmark]: Toolchain (without parser) took 3778.92ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 50.3MB in the beginning and 65.5MB in the end (delta: -15.2MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,530 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:38,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1903.10ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 50.2MB in the beginning and 56.0MB in the end (delta: -5.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,532 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.93ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 52.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,533 INFO L158 Benchmark]: Boogie Preprocessor took 86.50ms. Allocated memory is still 107.0MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,534 INFO L158 Benchmark]: RCFGBuilder took 557.34ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 63.6MB in the end (delta: -12.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,535 INFO L158 Benchmark]: CodeCheck took 1103.94ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 66.2MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:41:38,535 INFO L158 Benchmark]: Witness Printer took 3.59ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 727.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:41:38,540 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: 1.0s, 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, 68 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1567. 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); [L1548] static int CWE190_Integer_Overflow__int_fgets_add_45_badData; [L1549] static int CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData; [L1550] static int CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData; [L1580] CALL printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, 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) [L1580] RET printLine("Calling bad()...") VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, 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] [L1581] CALL CWE190_Integer_Overflow__int_fgets_add_45_bad() [L1561] int data; [L1562] data = 0 [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1565] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1567] EXPR data = atoi(inputBuffer) [L1564] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1563-L1573] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1574] CWE190_Integer_Overflow__int_fgets_add_45_badData = data [L1575] CALL badSink() [L1553] int data = CWE190_Integer_Overflow__int_fgets_add_45_badData; VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] data + 1 VAL [CWE190_Integer_Overflow__int_fgets_add_45_badData=2147483647, CWE190_Integer_Overflow__int_fgets_add_45_goodB2GData=0, CWE190_Integer_Overflow__int_fgets_add_45_goodG2BData=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, 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 0.68ms. Allocated memory is still 77.6MB. Free memory is still 53.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1903.10ms. Allocated memory was 77.6MB in the beginning and 107.0MB in the end (delta: 29.4MB). Free memory was 50.2MB in the beginning and 56.0MB in the end (delta: -5.7MB). Peak memory consumption was 32.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.93ms. Allocated memory is still 107.0MB. Free memory was 55.8MB in the beginning and 52.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 86.50ms. Allocated memory is still 107.0MB. Free memory was 52.7MB in the beginning and 50.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 557.34ms. Allocated memory is still 107.0MB. Free memory was 50.6MB in the beginning and 63.6MB in the end (delta: -12.9MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * CodeCheck took 1103.94ms. Allocated memory is still 107.0MB. Free memory was 63.6MB in the beginning and 66.2MB in the end (delta: -2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.59ms. Allocated memory is still 107.0MB. Free memory was 66.2MB in the beginning and 65.5MB in the end (delta: 727.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:41:38,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_965187f2-0ec1-487c-bc91-a8292fdfc29c/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