./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_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_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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_a9f000af-bbee-4fbf-910e-21d80c35e58f/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 67ffb06f55f3e3a0d5de3e3e30d88dbb86aea47b00f25ab682eaebca9ddb1d73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:06,839 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:06,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:36:06,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:36:06,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:36:07,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:07,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:36:07,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:36:07,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:07,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:07,009 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:07,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:36:07,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:36:07,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:07,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:36:07,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:07,013 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:36:07,013 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:36:07,014 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:36:07,014 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:36:07,014 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:07,015 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:07,015 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:07,016 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:07,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:07,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:07,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:07,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:07,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:36:07,019 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:36:07,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:36:07,020 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:36:07,020 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_a9f000af-bbee-4fbf-910e-21d80c35e58f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ffb06f55f3e3a0d5de3e3e30d88dbb86aea47b00f25ab682eaebca9ddb1d73 [2023-11-19 02:36:07,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:07,364 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:07,367 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:07,368 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:07,368 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:07,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i [2023-11-19 02:36:10,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:10,770 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:10,771 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i [2023-11-19 02:36:10,796 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/f487c8d0f/116807e45dfc4123ae77ae728928cfaa/FLAG1c69ff465 [2023-11-19 02:36:10,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/f487c8d0f/116807e45dfc4123ae77ae728928cfaa [2023-11-19 02:36:10,813 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:10,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:10,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:10,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:10,831 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:10,832 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:10" (1/1) ... [2023-11-19 02:36:10,833 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@182c54ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:10, skipping insertion in model container [2023-11-19 02:36:10,833 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:10" (1/1) ... [2023-11-19 02:36:10,893 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:11,306 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:36:11,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:11,828 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:11,862 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:36:11,966 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:12,172 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,186 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,187 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,187 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,187 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,187 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:12,195 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:12,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12 WrapperNode [2023-11-19 02:36:12,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:12,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:12,197 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:12,197 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:12,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,315 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 60 [2023-11-19 02:36:12,315 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:12,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:12,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:12,317 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:12,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,341 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,343 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,364 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,366 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,368 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:12,379 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:12,379 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:12,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:12,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:12,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:12,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:12,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:36:12,469 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:36:12,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:12,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:12,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:36:12,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:36:12,682 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:12,684 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:12,822 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:12,861 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:12,861 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:36:12,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:12 BoogieIcfgContainer [2023-11-19 02:36:12,865 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:12,866 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:12,866 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:12,881 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:12,882 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:12" (1/1) ... [2023-11-19 02:36:12,890 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:12,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:36:12,946 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:36:12,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:12,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:12,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:13,482 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 02:36:13,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 02:36:13,534 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 02:36:13,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:36:13,535 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:13,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:36:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:13,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:13,639 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:13,669 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:36:13,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:36:13 ImpRootNode [2023-11-19 02:36:13,699 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:36:13,700 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:36:13,700 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:36:13,700 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:36:13,701 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:12" (3/4) ... [2023-11-19 02:36:13,703 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:36:13,704 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:36:13,705 INFO L158 Benchmark]: Toolchain (without parser) took 2889.84ms. Allocated memory is still 178.3MB. Free memory was 146.9MB in the beginning and 81.6MB in the end (delta: 65.3MB). Peak memory consumption was 63.8MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,706 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 125.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:13,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1379.60ms. Allocated memory is still 178.3MB. Free memory was 146.7MB in the beginning and 140.3MB in the end (delta: 6.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.23ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,708 INFO L158 Benchmark]: Boogie Preprocessor took 62.25ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 135.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,709 INFO L158 Benchmark]: RCFGBuilder took 486.39ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 119.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,709 INFO L158 Benchmark]: CodeCheck took 832.88ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 82.7MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 02:36:13,710 INFO L158 Benchmark]: Witness Printer took 4.41ms. Allocated memory is still 178.3MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:13,713 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: 0.8s, 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, 0.3s 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: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] 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) [L1569] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=19, argc=19, argv={18:32}, argv={18:32}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_54b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_54c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_54d_badSink(data) [L1587] CALL CWE190_Integer_Overflow__int_fgets_add_54e_badSink(data) [L1592] data + 1 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 0.26ms. Allocated memory is still 125.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1379.60ms. Allocated memory is still 178.3MB. Free memory was 146.7MB in the beginning and 140.3MB in the end (delta: 6.4MB). Peak memory consumption was 65.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.23ms. Allocated memory is still 178.3MB. Free memory was 140.3MB in the beginning and 137.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.25ms. Allocated memory is still 178.3MB. Free memory was 137.2MB in the beginning and 135.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.39ms. Allocated memory is still 178.3MB. Free memory was 135.1MB in the beginning and 119.3MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 832.88ms. Allocated memory is still 178.3MB. Free memory was 119.3MB in the beginning and 82.7MB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 4.41ms. Allocated memory is still 178.3MB. Free memory is still 81.6MB. 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 02:36:13,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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_a9f000af-bbee-4fbf-910e-21d80c35e58f/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 67ffb06f55f3e3a0d5de3e3e30d88dbb86aea47b00f25ab682eaebca9ddb1d73 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:36:16,340 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:36:16,458 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:36:16,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:36:16,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:36:16,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:36:16,512 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:36:16,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:36:16,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:36:16,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:36:16,515 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:36:16,515 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:36:16,516 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:36:16,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:36:16,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:36:16,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:36:16,522 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:36:16,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:36:16,523 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:36:16,523 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:36:16,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:36:16,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:36:16,525 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:36:16,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:36:16,526 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:16,526 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:36:16,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:36:16,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:16,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:36:16,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:36:16,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:36:16,529 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:36:16,529 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:16,530 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:36:16,530 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:36:16,530 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:36:16,531 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_a9f000af-bbee-4fbf-910e-21d80c35e58f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67ffb06f55f3e3a0d5de3e3e30d88dbb86aea47b00f25ab682eaebca9ddb1d73 [2023-11-19 02:36:16,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:36:16,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:36:16,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:36:16,925 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:36:16,925 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:36:16,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i [2023-11-19 02:36:20,191 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:36:20,626 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:36:20,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_54_bad.i [2023-11-19 02:36:20,659 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/5a0fe2468/4213d4f523504029a61f11bdf0df687a/FLAGbb5ca5948 [2023-11-19 02:36:20,679 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/data/5a0fe2468/4213d4f523504029a61f11bdf0df687a [2023-11-19 02:36:20,684 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:36:20,686 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:36:20,690 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:20,691 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:36:20,696 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:36:20,696 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:20" (1/1) ... [2023-11-19 02:36:20,698 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f564f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:20, skipping insertion in model container [2023-11-19 02:36:20,698 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:36:20" (1/1) ... [2023-11-19 02:36:20,781 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:36:21,190 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:36:21,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:21,751 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:36:21,782 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:36:21,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:36:22,057 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,058 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,058 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,058 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,059 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,059 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:36:22,066 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:36:22,067 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22 WrapperNode [2023-11-19 02:36:22,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:36:22,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:22,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:36:22,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:36:22,076 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,135 INFO L138 Inliner]: procedures = 509, calls = 68, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 59 [2023-11-19 02:36:22,136 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:36:22,136 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:36:22,137 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:36:22,137 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:36:22,146 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,151 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,151 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,162 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,164 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,169 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:36:22,176 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:36:22,176 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:36:22,176 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:36:22,177 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:36:22,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:36:22,212 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:36:22,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:36:22,255 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:36:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:36:22,256 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:36:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:36:22,256 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:36:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:36:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:36:22,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:36:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:36:22,257 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:36:22,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 02:36:22,436 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:36:22,439 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:36:22,669 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:36:22,714 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:36:22,714 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:36:22,718 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:22 BoogieIcfgContainer [2023-11-19 02:36:22,725 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:36:22,726 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:36:22,726 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:36:22,736 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:36:22,738 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:22" (1/1) ... [2023-11-19 02:36:22,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:36:22,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:36:22,818 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:36:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:36:22,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:22,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:22,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:22,831 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:22,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:36:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:22,969 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:36:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:36:23,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:36:23,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:36:23,036 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 02:36:23,038 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:36:23,042 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 02:36:23,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:36:23,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:36:23,076 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:36:23,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:36:23,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:36:23,077 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:36:23,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:36:23,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:36:23,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:36:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:23,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:23,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:23,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:36:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:36:23,555 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:36:23,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 02:36:23,569 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:36:23,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:36:23 ImpRootNode [2023-11-19 02:36:23,610 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:36:23,611 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:36:23,611 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:36:23,611 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:36:23,611 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:36:22" (3/4) ... [2023-11-19 02:36:23,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:36:23,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:36:23,616 INFO L158 Benchmark]: Toolchain (without parser) took 2929.43ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.5MB in the beginning and 46.8MB in the end (delta: -8.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,616 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:23,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1378.00ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.3MB in the beginning and 50.2MB in the end (delta: -11.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.46ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,618 INFO L158 Benchmark]: Boogie Preprocessor took 38.48ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 44.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,619 INFO L158 Benchmark]: RCFGBuilder took 549.71ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 50.7MB in the end (delta: -5.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,620 INFO L158 Benchmark]: CodeCheck took 883.62ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 47.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-11-19 02:36:23,620 INFO L158 Benchmark]: Witness Printer took 4.19ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 46.8MB in the end (delta: 451.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:36:23,624 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: 0.8s, 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, 71 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: 1592]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1557. 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE190_Integer_Overflow__int_fgets_add_54_bad() [L1551] int data; [L1552] data = 0 [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1555] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1557] EXPR data = atoi(inputBuffer) [L1554] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1553-L1563] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1564] CALL CWE190_Integer_Overflow__int_fgets_add_54b_badSink(data) [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_54c_badSink(data) [L1582] CALL CWE190_Integer_Overflow__int_fgets_add_54d_badSink(data) [L1587] CALL CWE190_Integer_Overflow__int_fgets_add_54e_badSink(data) [L1592] data + 1 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 0.31ms. Allocated memory is still 71.3MB. Free memory was 47.4MB in the beginning and 47.4MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1378.00ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 38.3MB in the beginning and 50.2MB in the end (delta: -11.9MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.46ms. Allocated memory is still 88.1MB. Free memory was 49.8MB in the beginning and 46.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.48ms. Allocated memory is still 88.1MB. Free memory was 46.8MB in the beginning and 44.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.71ms. Allocated memory is still 88.1MB. Free memory was 44.8MB in the beginning and 50.7MB in the end (delta: -5.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 883.62ms. Allocated memory is still 88.1MB. Free memory was 50.7MB in the beginning and 47.2MB in the end (delta: 3.4MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. * Witness Printer took 4.19ms. Allocated memory is still 88.1MB. Free memory was 47.2MB in the beginning and 46.8MB in the end (delta: 451.2kB). 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 02:36:23,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a9f000af-bbee-4fbf-910e-21d80c35e58f/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