./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:15,853 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:15,989 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 03:15:15,999 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:15:16,000 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:15:16,034 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:16,035 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:16,035 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:16,037 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:16,043 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:16,044 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:16,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:16,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:15:16,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:16,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:16,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:16,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:16,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:16,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:16,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:16,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:16,051 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:16,051 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:16,052 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:16,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:16,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:16,054 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:16,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:16,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:16,055 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:15:16,056 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:15:16,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:16,057 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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2023-11-19 03:15:16,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:16,348 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:16,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:16,352 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:16,354 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:16,355 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-11-19 03:15:19,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:19,957 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:19,961 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-11-19 03:15:20,003 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/3d2d3ec8a/f12e8fbcf5cb41b1becdc501b61ffeb4/FLAG709ee47c9 [2023-11-19 03:15:20,021 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/3d2d3ec8a/f12e8fbcf5cb41b1becdc501b61ffeb4 [2023-11-19 03:15:20,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:20,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:20,029 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:20,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:20,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:20,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:20" (1/1) ... [2023-11-19 03:15:20,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82d1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:20, skipping insertion in model container [2023-11-19 03:15:20,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:20" (1/1) ... [2023-11-19 03:15:20,138 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:20,622 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:21,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:21,283 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:21,305 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:21,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:21,562 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,562 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,563 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,563 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,564 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,564 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:21,573 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:21,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21 WrapperNode [2023-11-19 03:15:21,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:21,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:21,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:21,577 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:21,586 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,664 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,715 INFO L138 Inliner]: procedures = 501, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2023-11-19 03:15:21,716 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:21,716 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:21,716 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:21,717 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:21,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,742 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,747 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:21,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:21,752 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:21,752 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:21,753 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:21" (1/1) ... [2023-11-19 03:15:21,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:21,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:21,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:21,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:15:21,840 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:15:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:15:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-19 03:15:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:21,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:21,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:15:21,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:15:22,015 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:22,018 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:22,188 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:22,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:22,234 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:15:22,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:22 BoogieIcfgContainer [2023-11-19 03:15:22,240 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:22,241 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:22,241 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:22,254 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:22,255 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:22" (1/1) ... [2023-11-19 03:15:22,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:22,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:15:22,332 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:15:22,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:15:22,336 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:22,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:22,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:22,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:15:22,682 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:15:22,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:22,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:22,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:15:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:22,728 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:22,836 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:22,874 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:15:22,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:22 ImpRootNode [2023-11-19 03:15:22,909 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:22,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:22,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:22,910 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:22,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:22" (3/4) ... [2023-11-19 03:15:22,913 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:15:22,915 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:22,916 INFO L158 Benchmark]: Toolchain (without parser) took 2888.15ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 86.8MB in the beginning and 89.3MB in the end (delta: -2.5MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,917 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:22,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1545.69ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 86.5MB in the beginning and 137.5MB in the end (delta: -51.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 139.83ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 134.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,919 INFO L158 Benchmark]: Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 133.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,920 INFO L158 Benchmark]: RCFGBuilder took 488.69ms. Allocated memory is still 192.9MB. Free memory was 133.4MB in the beginning and 117.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,921 INFO L158 Benchmark]: CodeCheck took 667.61ms. Allocated memory is still 192.9MB. Free memory was 117.8MB in the beginning and 90.3MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,921 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 192.9MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 912.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:22,926 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, 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, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=30, argc=30, argv={31:12}, argv={31:12}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741824, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 136.3MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1545.69ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 86.5MB in the beginning and 137.5MB in the end (delta: -51.0MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 139.83ms. Allocated memory is still 192.9MB. Free memory was 137.5MB in the beginning and 134.6MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.49ms. Allocated memory is still 192.9MB. Free memory was 134.6MB in the beginning and 133.4MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 488.69ms. Allocated memory is still 192.9MB. Free memory was 133.4MB in the beginning and 117.8MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 667.61ms. Allocated memory is still 192.9MB. Free memory was 117.8MB in the beginning and 90.3MB in the end (delta: 27.5MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 192.9MB. Free memory was 90.3MB in the beginning and 89.3MB in the end (delta: 912.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:15:22,970 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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 c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:15:25,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:15:25,572 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-19 03:15:25,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:15:25,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:15:25,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:15:25,608 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:15:25,608 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:15:25,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:15:25,610 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:15:25,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:15:25,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:15:25,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:15:25,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:15:25,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:15:25,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:15:25,614 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:15:25,614 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:15:25,615 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:15:25,615 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:15:25,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:15:25,617 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:15:25,617 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:15:25,618 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:15:25,618 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:25,619 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:25,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:15:25,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:25,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:15:25,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:15:25,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:15:25,622 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:15:25,622 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:25,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:15:25,623 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:15:25,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:15:25,624 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_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c59176cd00520a5a4aca656e3f81e02c964e0650c21d035534f9139b7ed3a3bf [2023-11-19 03:15:26,006 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:15:26,027 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:15:26,030 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:15:26,031 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:15:26,032 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:15:26,033 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-11-19 03:15:29,063 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:15:29,563 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:15:29,564 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_42_bad.i [2023-11-19 03:15:29,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/c33ad6ac2/05004a05b2a64fee8e71acb41731eb15/FLAGd275180cf [2023-11-19 03:15:29,620 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/data/c33ad6ac2/05004a05b2a64fee8e71acb41731eb15 [2023-11-19 03:15:29,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:15:29,624 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:15:29,626 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:29,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:15:29,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:15:29,631 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:29" (1/1) ... [2023-11-19 03:15:29,633 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a5f319 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:29, skipping insertion in model container [2023-11-19 03:15:29,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:15:29" (1/1) ... [2023-11-19 03:15:29,687 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:15:30,190 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:30,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:30,830 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:15:30,864 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-19 03:15:30,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:15:31,151 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,151 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,151 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,152 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,152 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,152 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-19 03:15:31,160 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:15:31,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31 WrapperNode [2023-11-19 03:15:31,161 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:15:31,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:31,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:15:31,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:15:31,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,244 INFO L138 Inliner]: procedures = 506, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 58 [2023-11-19 03:15:31,244 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:15:31,245 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:15:31,245 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:15:31,245 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:15:31,255 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,256 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,286 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,302 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:15:31,310 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:15:31,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:15:31,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:15:31,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:15:31,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:15:31,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:15:31,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:15:31,387 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-19 03:15:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-19 03:15:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-19 03:15:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 03:15:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:15:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:15:31,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:15:31,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:15:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 03:15:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-19 03:15:31,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-19 03:15:31,601 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:15:31,604 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:15:31,822 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:15:31,908 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:15:31,909 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:15:31,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:31 BoogieIcfgContainer [2023-11-19 03:15:31,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:15:31,916 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:15:31,916 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:15:31,929 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:15:31,929 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:31" (1/1) ... [2023-11-19 03:15:31,943 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:15:32,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:32,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-19 03:15:32,029 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-19 03:15:32,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 03:15:32,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:32,036 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:32,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:15:32,043 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:15:32,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:15:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:32,271 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 03:15:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:15:32,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:15:32,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:15:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:15:32,356 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 03:15:32,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 03:15:32,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:15:32,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2023-11-19 03:15:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2023-11-19 03:15:32,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 03:15:32,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:15:32,423 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:15:32,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:15:32,428 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:15:32,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 03:15:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:32,633 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:32,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:32,874 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:15:32,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:15:32,960 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 03:15:32,961 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 03:15:33,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:15:33 ImpRootNode [2023-11-19 03:15:33,023 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:15:33,024 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:15:33,024 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:15:33,024 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:15:33,025 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:15:31" (3/4) ... [2023-11-19 03:15:33,028 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:15:33,029 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:15:33,031 INFO L158 Benchmark]: Toolchain (without parser) took 3405.65ms. Allocated memory was 88.1MB in the beginning and 127.9MB in the end (delta: 39.8MB). Free memory was 60.1MB in the beginning and 61.0MB in the end (delta: -820.2kB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,031 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:33,033 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1535.96ms. Allocated memory was 88.1MB in the beginning and 127.9MB in the end (delta: 39.8MB). Free memory was 59.9MB in the beginning and 77.9MB in the end (delta: -18.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.86ms. Allocated memory is still 127.9MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,036 INFO L158 Benchmark]: Boogie Preprocessor took 63.69ms. Allocated memory is still 127.9MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,043 INFO L158 Benchmark]: RCFGBuilder took 604.88ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 88.9MB in the end (delta: -16.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,044 INFO L158 Benchmark]: CodeCheck took 1107.23ms. Allocated memory is still 127.9MB. Free memory was 88.9MB in the beginning and 61.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-19 03:15:33,045 INFO L158 Benchmark]: Witness Printer took 5.54ms. Allocated memory is still 127.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:15:33,057 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, 17 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 68 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1554. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_multiply_42_bad() [L1565] int data; [L1566] data = 0 [L1567] CALL, EXPR badSource(data) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1552] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1554] EXPR data = atoi(inputBuffer) [L1551] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1550-L1560] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } [L1561] return data; [L1567] RET, EXPR badSource(data) [L1567] data = badSource(data) [L1568] COND TRUE data > 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=1073741825, 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 0.25ms. Allocated memory is still 88.1MB. Free memory was 64.0MB in the beginning and 63.9MB in the end (delta: 139.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1535.96ms. Allocated memory was 88.1MB in the beginning and 127.9MB in the end (delta: 39.8MB). Free memory was 59.9MB in the beginning and 77.9MB in the end (delta: -18.0MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.86ms. Allocated memory is still 127.9MB. Free memory was 77.9MB in the beginning and 74.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.69ms. Allocated memory is still 127.9MB. Free memory was 74.7MB in the beginning and 72.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 604.88ms. Allocated memory is still 127.9MB. Free memory was 72.6MB in the beginning and 88.9MB in the end (delta: -16.3MB). Peak memory consumption was 11.9MB. Max. memory is 16.1GB. * CodeCheck took 1107.23ms. Allocated memory is still 127.9MB. Free memory was 88.9MB in the beginning and 61.0MB in the end (delta: 28.0MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 5.54ms. Allocated memory is still 127.9MB. Free memory is still 61.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:15:33,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2e1c9a72-ae53-43cc-8e1d-ecbac1ad9dd5/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