./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:08,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:08,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 02:46:08,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:46:08,695 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:46:08,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:08,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:08,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:08,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:08,758 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:08,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:08,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:08,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:46:08,763 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:08,763 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:08,764 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:08,764 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:08,764 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:46:08,765 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:46:08,765 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:08,766 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:08,766 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:08,767 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:08,767 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:08,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:08,769 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:08,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:08,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:08,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:08,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:46:08,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:46:08,773 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:08,773 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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2023-11-19 02:46:09,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:09,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:09,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:09,122 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:09,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:09,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-11-19 02:46:12,123 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:12,561 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:12,562 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-11-19 02:46:12,587 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/c3764f11f/473d2c24eb194516894ff0a3c06d0b12/FLAGfa0a9ae66 [2023-11-19 02:46:12,602 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/c3764f11f/473d2c24eb194516894ff0a3c06d0b12 [2023-11-19 02:46:12,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:12,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:12,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:12,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:12,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:12,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:12" (1/1) ... [2023-11-19 02:46:12,615 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ffcedf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:12, skipping insertion in model container [2023-11-19 02:46:12,616 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:12" (1/1) ... [2023-11-19 02:46:12,682 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:13,055 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:46:13,647 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:13,664 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:13,705 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:46:13,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:13,958 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,958 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,959 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,959 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,959 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,959 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,960 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:13,968 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:13,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13 WrapperNode [2023-11-19 02:46:13,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:13,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:13,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:13,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:14,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,062 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,101 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 58 [2023-11-19 02:46:14,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:14,102 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:14,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:14,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:14,112 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,112 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,116 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,124 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,132 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:14,133 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:14,133 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:14,133 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:14,134 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:13" (1/1) ... [2023-11-19 02:46:14,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:14,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:14,170 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:14,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:14,218 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:46:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:46:14,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:46:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:46:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 02:46:14,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:14,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:46:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:46:14,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:46:14,369 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:14,371 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:14,498 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:14,539 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:14,539 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:14,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:14 BoogieIcfgContainer [2023-11-19 02:46:14,544 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:14,545 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:14,545 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:14,555 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:14,555 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:14" (1/1) ... [2023-11-19 02:46:14,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:14,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:46:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:46:14,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:46:14,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:14,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:15,107 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 02:46:15,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:15,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 02:46:15,162 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 02:46:15,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:46:15,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:15,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:46:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,356 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:15,403 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:46:15,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:46:15 ImpRootNode [2023-11-19 02:46:15,456 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:46:15,457 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:46:15,457 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:46:15,458 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:46:15,460 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:14" (3/4) ... [2023-11-19 02:46:15,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:46:15,467 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:46:15,468 INFO L158 Benchmark]: Toolchain (without parser) took 2861.38ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 79.1MB in the end (delta: 52.4MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,470 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:15,470 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1360.62ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 125.9MB in the end (delta: 5.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.40ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 130.9MB in the end (delta: -5.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,472 INFO L158 Benchmark]: Boogie Preprocessor took 30.27ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,474 INFO L158 Benchmark]: RCFGBuilder took 410.96ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 114.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,475 INFO L158 Benchmark]: CodeCheck took 911.58ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 79.1MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 02:46:15,481 INFO L158 Benchmark]: Witness Printer took 9.76ms. Allocated memory is still 167.8MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:15,489 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, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={12:18}, argv={12:18}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL funcPtr(data) [L1551] 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 0.29ms. Allocated memory is still 130.0MB. Free memory is still 101.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1360.62ms. Allocated memory is still 167.8MB. Free memory was 131.5MB in the beginning and 125.9MB in the end (delta: 5.6MB). Peak memory consumption was 65.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.40ms. Allocated memory is still 167.8MB. Free memory was 125.9MB in the beginning and 130.9MB in the end (delta: -5.0MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.27ms. Allocated memory is still 167.8MB. Free memory was 130.9MB in the beginning and 129.5MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 410.96ms. Allocated memory is still 167.8MB. Free memory was 129.5MB in the beginning and 114.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 911.58ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 79.1MB in the end (delta: 35.0MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 9.76ms. Allocated memory is still 167.8MB. Free memory is still 79.1MB. 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 02:46:15,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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 f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:46:18,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:46:18,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 02:46:18,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:46:18,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:46:18,366 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:46:18,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:46:18,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:46:18,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:46:18,374 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:46:18,374 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:46:18,375 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:46:18,375 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:46:18,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:46:18,378 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:46:18,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:46:18,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 02:46:18,379 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:46:18,380 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 02:46:18,381 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:46:18,381 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:46:18,382 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:46:18,383 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:46:18,383 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:46:18,384 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:18,384 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:18,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:46:18,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:18,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:46:18,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:46:18,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:46:18,388 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:46:18,389 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:18,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:46:18,390 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:46:18,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:46:18,390 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_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f87fdaa0be7d4d5d31e55ae2d191859e9a8e200f30f8118e184cc657927d4de5 [2023-11-19 02:46:18,838 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:46:18,872 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:46:18,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:46:18,877 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:46:18,878 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:46:18,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-11-19 02:46:22,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:46:22,555 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:46:22,556 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_44_bad.i [2023-11-19 02:46:22,594 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/2cbf186e4/43e82f88bccc446288d45a854ea065e3/FLAG76043499b [2023-11-19 02:46:22,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/data/2cbf186e4/43e82f88bccc446288d45a854ea065e3 [2023-11-19 02:46:22,618 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:46:22,620 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:46:22,623 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:22,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:46:22,629 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:46:22,630 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,631 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5943b851 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:22, skipping insertion in model container [2023-11-19 02:46:22,631 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:46:22" (1/1) ... [2023-11-19 02:46:22,714 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:46:23,141 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:46:23,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:23,707 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:46:23,728 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 02:46:23,799 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:46:23,935 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,935 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,935 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,935 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,935 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,936 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,936 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 02:46:23,943 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:46:23,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23 WrapperNode [2023-11-19 02:46:23,944 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:46:23,945 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:23,945 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:46:23,945 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:46:23,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:23,987 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,029 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 57 [2023-11-19 02:46:24,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:46:24,030 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:46:24,030 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:46:24,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:46:24,040 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,045 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,057 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,061 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,062 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,068 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:46:24,068 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:46:24,069 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:46:24,069 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:46:24,070 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:46:23" (1/1) ... [2023-11-19 02:46:24,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:46:24,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:46:24,131 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:46:24,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:46:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 02:46:24,176 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 02:46:24,176 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 02:46:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 02:46:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:46:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:46:24,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:46:24,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:46:24,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 02:46:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 02:46:24,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 02:46:24,371 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:46:24,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:46:24,592 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:46:24,658 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:46:24,661 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:46:24,666 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:24 BoogieIcfgContainer [2023-11-19 02:46:24,667 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:46:24,668 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:46:24,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:46:24,680 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:46:24,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:24" (1/1) ... [2023-11-19 02:46:24,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:46:24,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:24,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-19 02:46:24,743 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-19 02:46:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 02:46:24,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:24,752 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:24,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:46:24,758 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:46:24,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:46:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:24,961 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 02:46:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:46:25,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 02:46:25,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 02:46:25,027 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 02:46:25,029 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:46:25,040 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-19 02:46:25,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:46:25,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-19 02:46:25,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-19 02:46:25,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 02:46:25,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:46:25,074 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:46:25,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:46:25,076 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:46:25,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 02:46:25,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,296 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:25,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:46:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:46:25,537 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 02:46:25,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-19 02:46:25,545 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 02:46:25,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:46:25 ImpRootNode [2023-11-19 02:46:25,577 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:46:25,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:46:25,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:46:25,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:46:25,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:46:24" (3/4) ... [2023-11-19 02:46:25,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:46:25,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:46:25,583 INFO L158 Benchmark]: Toolchain (without parser) took 2963.04ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 45.0MB in the beginning and 64.6MB in the end (delta: -19.5MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,584 INFO L158 Benchmark]: CDTParser took 0.68ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 101.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1320.98ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 44.9MB in the beginning and 52.4MB in the end (delta: -7.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,585 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.48ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,586 INFO L158 Benchmark]: Boogie Preprocessor took 37.51ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,587 INFO L158 Benchmark]: RCFGBuilder took 598.43ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 51.7MB in the end (delta: -4.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,588 INFO L158 Benchmark]: CodeCheck took 909.10ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 65.1MB in the end (delta: -13.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2023-11-19 02:46:25,588 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 107.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:46:25,592 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, 0.0s 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: 1551]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1564. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1576] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, line={4:0}] [L1414] COND TRUE line != ((void *)0) [L1576] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1577] CALL CWE190_Integer_Overflow__int_fgets_add_44_bad() [L1557] int data; [L1558] void (*funcPtr) (int) = badSink; [L1559] data = 0 [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1564] EXPR data = atoi(inputBuffer) [L1561] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1560-L1570] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1571] CALL funcPtr(data) [L1551] 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 0.68ms. Allocated memory is still 73.4MB. Free memory was 49.5MB in the beginning and 49.4MB in the end (delta: 101.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1320.98ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 44.9MB in the beginning and 52.4MB in the end (delta: -7.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.48ms. Allocated memory is still 88.1MB. Free memory was 52.4MB in the beginning and 49.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.51ms. Allocated memory is still 88.1MB. Free memory was 49.4MB in the beginning and 47.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 598.43ms. Allocated memory is still 88.1MB. Free memory was 47.3MB in the beginning and 51.7MB in the end (delta: -4.4MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. * CodeCheck took 909.10ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.7MB in the beginning and 65.1MB in the end (delta: -13.4MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 107.0MB. Free memory is still 64.6MB. 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 02:46:25,640 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bd5b7b47-b763-43c7-8dbe-b936e048f58a/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