./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2 --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:26:58,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:26:58,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:26:58,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:26:58,405 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:26:58,453 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:26:58,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:26:58,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:26:58,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:26:58,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:26:58,466 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:26:58,466 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:26:58,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:26:58,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:26:58,470 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:26:58,471 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:26:58,471 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:26:58,472 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:26:58,472 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:26:58,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:26:58,474 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:26:58,475 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:26:58,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:26:58,476 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:26:58,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:26:58,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:26:58,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:26:58,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:26:58,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:26:58,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:26:58,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:26:58,482 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:26:58,482 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_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2023-11-21 18:26:58,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:26:58,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:26:58,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:26:58,926 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:26:58,927 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:26:58,928 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-21 18:27:02,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:02,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:02,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-21 18:27:02,693 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/3ec716040/25be822fbd3b4f8089211a67199b8d02/FLAGe96d1c556 [2023-11-21 18:27:02,710 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/3ec716040/25be822fbd3b4f8089211a67199b8d02 [2023-11-21 18:27:02,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:02,715 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:02,717 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:02,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:02,723 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:02,724 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:02" (1/1) ... [2023-11-21 18:27:02,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a58cd1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:02, skipping insertion in model container [2023-11-21 18:27:02,726 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:02" (1/1) ... [2023-11-21 18:27:02,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:03,331 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:04,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:04,172 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:04,207 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:04,300 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:04,482 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,482 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,483 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,483 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,483 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,483 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,483 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:04,491 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:04,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04 WrapperNode [2023-11-21 18:27:04,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:04,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:04,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:04,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:04,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,564 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 60 [2023-11-21 18:27:04,565 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:04,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:04,566 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:04,566 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:04,584 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,584 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,596 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,598 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,601 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,606 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:04,607 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:04,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:04,608 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:04,609 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:04" (1/1) ... [2023-11-21 18:27:04,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:04,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:04,647 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:04,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:04,706 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:27:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:04,707 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:04,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:27:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:04,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:04,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:04,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:27:04,909 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:04,911 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:05,072 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:05,141 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:05,142 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:05,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:05 BoogieIcfgContainer [2023-11-21 18:27:05,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:05,145 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:05,146 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:05,158 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:05,159 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:05" (1/1) ... [2023-11-21 18:27:05,170 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:05,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:05,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:27:05,240 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:27:05,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:27:05,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:05,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:05,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:06,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:06,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-21 18:27:06,055 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-21 18:27:06,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:06,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:06,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:27:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:06,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:06,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:06,276 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:06,333 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:27:06,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post102 could not be translated [2023-11-21 18:27:06,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:06 ImpRootNode [2023-11-21 18:27:06,369 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:06,370 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:06,370 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:06,371 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:06,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:05" (3/4) ... [2023-11-21 18:27:06,374 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:27:06,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:06,376 INFO L158 Benchmark]: Toolchain (without parser) took 3660.28ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 83.9MB in the end (delta: 17.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,376 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:06,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1775.69ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 88.2MB in the end (delta: 12.7MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.34ms. Allocated memory is still 140.5MB. Free memory was 88.2MB in the beginning and 85.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,379 INFO L158 Benchmark]: Boogie Preprocessor took 41.06ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 84.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,380 INFO L158 Benchmark]: RCFGBuilder took 536.96ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 18:27:06,380 INFO L158 Benchmark]: CodeCheck took 1224.03ms. Allocated memory is still 140.5MB. Free memory was 68.7MB in the beginning and 83.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:06,381 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:06,385 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 9 mSDtfsCounter, 10 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1578]: 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); [L1570] 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) [L1570] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={29:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [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."); } } [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 140.5MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1775.69ms. Allocated memory is still 140.5MB. Free memory was 101.0MB in the beginning and 88.2MB in the end (delta: 12.7MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.34ms. Allocated memory is still 140.5MB. Free memory was 88.2MB in the beginning and 85.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.06ms. Allocated memory is still 140.5MB. Free memory was 85.4MB in the beginning and 84.0MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.96ms. Allocated memory is still 140.5MB. Free memory was 84.0MB in the beginning and 68.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 1224.03ms. Allocated memory is still 140.5MB. Free memory was 68.7MB in the beginning and 83.9MB in the end (delta: -15.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. 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~post102 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 [2023-11-21 18:27:06,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2 --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 a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:27:09,741 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:27:09,901 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:27:09,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:27:09,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:27:09,969 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:27:09,970 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:27:09,971 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:27:09,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:27:09,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:27:09,979 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:27:09,980 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:27:09,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:27:09,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:27:09,984 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:27:09,984 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:27:09,985 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:27:09,985 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:27:09,986 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:27:09,987 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:27:09,988 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:27:09,989 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:27:09,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:27:09,991 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:27:09,991 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:09,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:09,992 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:27:09,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:09,994 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:27:09,994 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:27:09,996 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:27:09,997 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:27:09,997 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:09,998 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:27:09,998 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:27:09,998 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:27:09,999 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_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7fad482ddbf2a1014b6ffb776b339f0d781684a3ba81b2582b5a7be2d00ed67 [2023-11-21 18:27:10,572 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:27:10,612 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:27:10,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:27:10,618 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:27:10,619 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:27:10,621 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-21 18:27:14,440 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:27:14,991 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:27:14,992 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_postinc_65_bad.i [2023-11-21 18:27:15,028 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/12753be06/d6b24bce4daf46998314ecd6863ad079/FLAG446e847c4 [2023-11-21 18:27:15,050 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/data/12753be06/d6b24bce4daf46998314ecd6863ad079 [2023-11-21 18:27:15,057 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:27:15,058 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:27:15,062 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:15,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:27:15,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:27:15,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:15" (1/1) ... [2023-11-21 18:27:15,072 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fe1e641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:15, skipping insertion in model container [2023-11-21 18:27:15,072 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:27:15" (1/1) ... [2023-11-21 18:27:15,181 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:27:15,643 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:16,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:16,330 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:27:16,385 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:27:16,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:27:16,770 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,770 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,771 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,771 WARN L675 CHandler]: The function funcPtr is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,771 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,771 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,772 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:27:16,781 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:27:16,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16 WrapperNode [2023-11-21 18:27:16,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:27:16,783 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:16,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:27:16,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:27:16,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,846 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,875 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 59 [2023-11-21 18:27:16,876 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:27:16,877 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:27:16,877 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:27:16,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:27:16,900 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,905 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,924 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,932 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:27:16,933 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:27:16,933 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:27:16,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:27:16,934 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:27:16" (1/1) ... [2023-11-21 18:27:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:27:16,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:27:16,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:27:17,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:27:17,064 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:27:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:27:17,065 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:27:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:27:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:27:17,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:27:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:27:17,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:27:17,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:27:17,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:27:17,273 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:27:17,276 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:27:17,533 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:27:17,629 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:27:17,632 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:27:17,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:17 BoogieIcfgContainer [2023-11-21 18:27:17,634 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:27:17,635 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:27:17,636 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:27:17,649 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:27:17,650 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:17" (1/1) ... [2023-11-21 18:27:17,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:27:17,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:17,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-11-21 18:27:17,764 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-11-21 18:27:17,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:27:17,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:17,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:27:17,785 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:27:17,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:27:18,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:18,022 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:27:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:27:18,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:27:18,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:27:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:27:18,155 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:27:18,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:27:18,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:27:18,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2023-11-21 18:27:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2023-11-21 18:27:18,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:27:18,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:27:18,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:27:18,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:27:18,205 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:27:18,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:27:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:18,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:18,691 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:27:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:27:18,771 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:27:18,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-21 18:27:18,780 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-21 18:27:18,828 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post100 could not be translated [2023-11-21 18:27:18,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:27:18 ImpRootNode [2023-11-21 18:27:18,835 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:27:18,836 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:27:18,836 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:27:18,837 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:27:18,837 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:27:17" (3/4) ... [2023-11-21 18:27:18,840 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:27:18,841 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:27:18,843 INFO L158 Benchmark]: Toolchain (without parser) took 3784.08ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.9MB in the beginning and 59.6MB in the end (delta: -9.8MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:18,843 INFO L158 Benchmark]: CDTParser took 0.88ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:18,845 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1720.06ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.7MB in the beginning and 52.6MB in the end (delta: -2.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. [2023-11-21 18:27:18,847 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.10ms. Allocated memory is still 104.9MB. Free memory was 52.6MB in the beginning and 49.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:27:18,848 INFO L158 Benchmark]: Boogie Preprocessor took 55.07ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 76.1MB in the end (delta: -26.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2023-11-21 18:27:18,857 INFO L158 Benchmark]: RCFGBuilder took 701.71ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 58.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-21 18:27:18,857 INFO L158 Benchmark]: CodeCheck took 1200.19ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 60.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:18,860 INFO L158 Benchmark]: Witness Printer took 5.53ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 59.6MB in the end (delta: 668.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:27:18,870 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 15 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 70 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: 1578]: 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); [L1570] 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) [L1570] 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] [L1571] CALL CWE190_Integer_Overflow__int_fgets_postinc_65_bad() [L1551] int data; [L1552] void (*funcPtr) (int) = CWE190_Integer_Overflow__int_fgets_postinc_65b_badSink; [L1553] data = 0 [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."); } } [L1565] CALL funcPtr(data) [L1578] data++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(data)=2147483647, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.88ms. Allocated memory is still 77.6MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1720.06ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 49.7MB in the beginning and 52.6MB in the end (delta: -2.9MB). Peak memory consumption was 30.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.10ms. Allocated memory is still 104.9MB. Free memory was 52.6MB in the beginning and 49.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.07ms. Allocated memory is still 104.9MB. Free memory was 49.4MB in the beginning and 76.1MB in the end (delta: -26.6MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * RCFGBuilder took 701.71ms. Allocated memory is still 104.9MB. Free memory was 76.1MB in the beginning and 58.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 1200.19ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 60.3MB in the end (delta: -2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.53ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 59.6MB in the end (delta: 668.1kB). 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 [2023-11-21 18:27:18,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1feef988-81ac-4b09-9fc4-53a12955d8da/bin/ukojak-verify-i0I2FZA1j2/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