./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC --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 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:15,280 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:15,407 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-23 20:22:15,417 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:22:15,418 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:22:15,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:15,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:15,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:15,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:15,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:15,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:15,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:15,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:22:15,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:15,477 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:15,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:15,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:15,478 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:15,479 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:15,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:15,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:15,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:15,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:15,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:15,482 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:15,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:15,483 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:15,484 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:15,484 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:15,485 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:22:15,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:22:15,486 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:15,487 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_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 [2023-11-23 20:22:15,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:15,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:15,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:15,847 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:15,848 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:15,849 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2023-11-23 20:22:19,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:19,469 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:19,470 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2023-11-23 20:22:19,508 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/1c7bc16e2/7d5b87c8ee3b4821889b759ae4b8c26b/FLAGa6cfaa65b [2023-11-23 20:22:19,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/1c7bc16e2/7d5b87c8ee3b4821889b759ae4b8c26b [2023-11-23 20:22:19,532 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:19,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:19,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:19,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:19,543 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:19,546 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:19" (1/1) ... [2023-11-23 20:22:19,547 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1643c1c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:19, skipping insertion in model container [2023-11-23 20:22:19,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:19" (1/1) ... [2023-11-23 20:22:19,625 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:20,040 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:22:20,681 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:20,694 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:20,717 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:22:20,790 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:20,963 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,964 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,964 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,964 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,964 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,965 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:20,973 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:20,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20 WrapperNode [2023-11-23 20:22:20,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:20,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:20,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:20,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:20,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,044 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,083 INFO L138 Inliner]: procedures = 500, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2023-11-23 20:22:21,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:21,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:21,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:21,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:21,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,099 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,099 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,106 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,110 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,112 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:21,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:21,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:21,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:21,124 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20" (1/1) ... [2023-11-23 20:22:21,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:21,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:21,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:21,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:21,214 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:22:21,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:22:21,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-23 20:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:21,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:21,216 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:22:21,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:22:21,395 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:21,397 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:21,537 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:21,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:21,582 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:22:21,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:21 BoogieIcfgContainer [2023-11-23 20:22:21,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:21,584 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:21,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:21,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:21,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:21" (1/1) ... [2023-11-23 20:22:21,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:21,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:22:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:22:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:22:21,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:21,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:21,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:22,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-23 20:22:22,076 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-23 20:22:22,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:22:22,076 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:22,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:22,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:22,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:22,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2023-11-23 20:22:22,427 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2023-11-23 20:22:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:22:22,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:22,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:22:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:22,461 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:22,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:22,596 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:22,640 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-23 20:22:22,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-23 20:22:22,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:22:22 ImpRootNode [2023-11-23 20:22:22,710 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:22:22,711 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:22:22,711 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:22:22,711 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:22:22,712 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:21" (3/4) ... [2023-11-23 20:22:22,714 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:22:22,715 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:22:22,716 INFO L158 Benchmark]: Toolchain (without parser) took 3181.77ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 111.2MB in the beginning and 144.9MB in the end (delta: -33.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:22,718 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:22,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1436.65ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 104.8MB in the end (delta: 6.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2023-11-23 20:22:22,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.27ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 102.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:22,721 INFO L158 Benchmark]: Boogie Preprocessor took 31.05ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:22,722 INFO L158 Benchmark]: RCFGBuilder took 467.02ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 85.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:22:22,728 INFO L158 Benchmark]: CodeCheck took 1125.70ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 85.9MB in the beginning and 144.9MB in the end (delta: -59.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. [2023-11-23 20:22:22,729 INFO L158 Benchmark]: Witness Printer took 4.27ms. Allocated memory is still 178.3MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:22,738 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 32 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 29 NumberOfCodeBlocks, 29 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 28 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] 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) [L1578] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=13, argc=13, argv={18:29}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 95.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1436.65ms. Allocated memory is still 146.8MB. Free memory was 110.8MB in the beginning and 104.8MB in the end (delta: 6.1MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.27ms. Allocated memory is still 146.8MB. Free memory was 104.8MB in the beginning and 102.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.05ms. Allocated memory is still 146.8MB. Free memory was 102.0MB in the beginning and 100.6MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.02ms. Allocated memory is still 146.8MB. Free memory was 100.6MB in the beginning and 85.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1125.70ms. Allocated memory was 146.8MB in the beginning and 178.3MB in the end (delta: 31.5MB). Free memory was 85.9MB in the beginning and 144.9MB in the end (delta: -59.1MB). Peak memory consumption was 36.6MB. Max. memory is 16.1GB. * Witness Printer took 4.27ms. Allocated memory is still 178.3MB. Free memory is still 144.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:22:22,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC --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 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:22:25,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:22:25,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-23 20:22:25,552 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:22:25,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:22:25,555 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:22:25,556 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:22:25,556 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:22:25,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:22:25,562 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:22:25,563 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:22:25,563 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:22:25,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:22:25,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:22:25,570 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:22:25,570 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:22:25,571 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:22:25,571 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:22:25,572 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:22:25,573 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:22:25,573 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:22:25,574 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:22:25,575 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:22:25,575 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:22:25,576 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:25,576 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:25,577 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:22:25,578 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:25,578 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:22:25,579 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:22:25,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:22:25,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:22:25,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:25,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:22:25,581 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-23 20:22:25,581 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:22:25,582 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_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ac85eae73ca918e63bba704baccb0d63aac41738fbd0a6bf5ff67ce2cfcc2c9 [2023-11-23 20:22:25,972 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:22:25,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:22:25,997 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:22:25,998 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:22:25,999 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:22:26,000 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2023-11-23 20:22:29,107 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:22:29,580 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:22:29,581 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_02_bad.i [2023-11-23 20:22:29,618 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/008b06435/8609873777bb45059173a3f93d97c627/FLAG46c55edd1 [2023-11-23 20:22:29,637 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/data/008b06435/8609873777bb45059173a3f93d97c627 [2023-11-23 20:22:29,643 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:22:29,645 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:22:29,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:29,650 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:22:29,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:22:29,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:29" (1/1) ... [2023-11-23 20:22:29,657 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6517af64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:29, skipping insertion in model container [2023-11-23 20:22:29,657 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:29" (1/1) ... [2023-11-23 20:22:29,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:22:30,142 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:22:30,847 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:30,870 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:22:30,907 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-23 20:22:31,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:22:31,265 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,266 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,266 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,266 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,266 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,267 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-23 20:22:31,275 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:22:31,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31 WrapperNode [2023-11-23 20:22:31,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:22:31,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:31,281 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:22:31,281 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:22:31,290 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,347 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,377 INFO L138 Inliner]: procedures = 505, calls = 64, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 55 [2023-11-23 20:22:31,378 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:22:31,378 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:22:31,379 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:22:31,379 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:22:31,399 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,399 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,404 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,404 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,426 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,440 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,444 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,450 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:22:31,451 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:22:31,452 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:22:31,452 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:22:31,453 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:31" (1/1) ... [2023-11-23 20:22:31,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:22:31,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:22:31,505 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:22:31,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-23 20:22:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-23 20:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:22:31,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-23 20:22:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-23 20:22:31,566 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-23 20:22:31,745 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:22:31,748 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:22:31,923 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:22:32,004 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:22:32,020 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 20:22:32,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:32 BoogieIcfgContainer [2023-11-23 20:22:32,022 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:22:32,023 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:22:32,024 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:22:32,034 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:22:32,034 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:32" (1/1) ... [2023-11-23 20:22:32,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:22:32,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-23 20:22:32,094 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-23 20:22:32,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:22:32,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:32,099 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:32,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:32,101 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:32,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-23 20:22:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:32,345 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-23 20:22:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:22:32,403 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:22:32,408 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:22:32,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:22:32,444 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:22:32,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-23 20:22:32,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:22:32,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-11-23 20:22:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-11-23 20:22:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:22:32,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:22:32,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:22:32,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 [2023-11-23 20:22:32,480 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:22:32,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-23 20:22:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:32,686 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:32,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:32,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:22:32,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:22:32,976 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-23 20:22:32,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:22:32,984 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-23 20:22:33,026 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated [2023-11-23 20:22:33,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:22:33 ImpRootNode [2023-11-23 20:22:33,032 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:22:33,033 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:22:33,033 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:22:33,034 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:22:33,034 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:32" (3/4) ... [2023-11-23 20:22:33,036 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:22:33,037 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:22:33,039 INFO L158 Benchmark]: Toolchain (without parser) took 3393.01ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.2MB in the beginning and 67.7MB in the end (delta: -11.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,040 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.5MB in the end (delta: 152.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,041 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1627.51ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 54.3MB in the end (delta: 1.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,042 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.35ms. Allocated memory is still 107.0MB. Free memory was 54.3MB in the beginning and 51.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,047 INFO L158 Benchmark]: Boogie Preprocessor took 72.28ms. Allocated memory is still 107.0MB. Free memory was 51.5MB in the beginning and 78.4MB in the end (delta: -27.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,048 INFO L158 Benchmark]: RCFGBuilder took 571.20ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 61.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,050 INFO L158 Benchmark]: CodeCheck took 1009.15ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 68.4MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:22:33,051 INFO L158 Benchmark]: Witness Printer took 4.50ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 67.7MB in the end (delta: 702.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:22:33,060 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, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 42 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: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. 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); [L1578] 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) [L1578] 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}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1579] CALL CWE190_Integer_Overflow__int_fgets_postinc_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 83.9MB. Free memory was 59.7MB in the beginning and 59.5MB in the end (delta: 152.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1627.51ms. Allocated memory was 83.9MB in the beginning and 107.0MB in the end (delta: 23.1MB). Free memory was 56.0MB in the beginning and 54.3MB in the end (delta: 1.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.35ms. Allocated memory is still 107.0MB. Free memory was 54.3MB in the beginning and 51.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.28ms. Allocated memory is still 107.0MB. Free memory was 51.5MB in the beginning and 78.4MB in the end (delta: -27.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 571.20ms. Allocated memory is still 107.0MB. Free memory was 78.4MB in the beginning and 61.7MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1009.15ms. Allocated memory is still 107.0MB. Free memory was 61.7MB in the beginning and 68.4MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.50ms. Allocated memory is still 107.0MB. Free memory was 68.4MB in the beginning and 67.7MB in the end (delta: 702.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post98 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-23 20:22:33,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_753930b9-e355-461d-a9ac-3f7f62f9a000/bin/ukojak-verify-1t5iHCbJaC/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