./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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 4d02a12a715186c00aaa7dff6b61ecb932447425f82714281ff2436fc155b099 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:39,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:39,436 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:29:39,440 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:29:39,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:29:39,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:39,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:39,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:39,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:39,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:39,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:39,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:39,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:29:39,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:39,471 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:39,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:39,473 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:39,473 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:39,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:39,474 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:39,475 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:39,476 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:39,476 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:39,477 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:39,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:39,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:39,479 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:39,479 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:39,480 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:39,480 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:29:39,481 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:29:39,481 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:39,482 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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d02a12a715186c00aaa7dff6b61ecb932447425f82714281ff2436fc155b099 [2023-11-21 18:29:39,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:39,789 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:39,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:39,793 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:39,798 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:39,799 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i [2023-11-21 18:29:42,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:43,364 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:43,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i [2023-11-21 18:29:43,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/aaf26dbd8/80532abfa13e4a7abf41a375625ec1e1/FLAGbae94a615 [2023-11-21 18:29:43,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/aaf26dbd8/80532abfa13e4a7abf41a375625ec1e1 [2023-11-21 18:29:43,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:43,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:43,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:43,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:43,423 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:43,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:43" (1/1) ... [2023-11-21 18:29:43,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f0d21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:43, skipping insertion in model container [2023-11-21 18:29:43,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:43" (1/1) ... [2023-11-21 18:29:43,495 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:43,959 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:44,811 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:44,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:44,849 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:44,912 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:45,079 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,079 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,080 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,080 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,080 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,080 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:45,088 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:45,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45 WrapperNode [2023-11-21 18:29:45,089 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:45,091 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:45,091 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:45,091 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:45,099 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,132 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,159 INFO L138 Inliner]: procedures = 502, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2023-11-21 18:29:45,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:45,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:45,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:45,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:45,170 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,174 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,175 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,190 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,197 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,205 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:45,205 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:45,206 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:45,206 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:45,207 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,220 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:45,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:45,253 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:45,295 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:29:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:29:45,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:29:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:29:45,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-21 18:29:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-21 18:29:45,297 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-21 18:29:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:29:45,297 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:29:45,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:29:45,482 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:45,485 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:45,612 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:45,675 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:45,676 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:29:45,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45 BoogieIcfgContainer [2023-11-21 18:29:45,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:45,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:45,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:45,689 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:45,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45" (1/1) ... [2023-11-21 18:29:45,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:45,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:45,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 24 states and 29 transitions. [2023-11-21 18:29:45,771 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2023-11-21 18:29:45,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:29:45,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:45,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:45,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:46,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:29:46,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:46,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-11-21 18:29:46,306 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-11-21 18:29:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:29:46,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:46,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:46,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:46,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:46,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 29 states and 36 transitions. [2023-11-21 18:29:46,513 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2023-11-21 18:29:46,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:29:46,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:46,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:46,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:46,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,638 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:46,673 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-21 18:29:46,723 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret98 could not be translated [2023-11-21 18:29:46,725 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret101 could not be translated [2023-11-21 18:29:46,730 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:29:46 ImpRootNode [2023-11-21 18:29:46,730 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:29:46,731 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:29:46,731 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:29:46,731 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:29:46,732 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:45" (3/4) ... [2023-11-21 18:29:46,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:29:46,735 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:29:46,736 INFO L158 Benchmark]: Toolchain (without parser) took 3319.62ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 84.3MB in the end (delta: 4.3MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,736 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 94.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,737 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1671.95ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 84.4MB in the end (delta: 4.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,738 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.75ms. Allocated memory is still 144.7MB. Free memory was 84.4MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,739 INFO L158 Benchmark]: Boogie Preprocessor took 44.88ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,739 INFO L158 Benchmark]: RCFGBuilder took 472.62ms. Allocated memory is still 144.7MB. Free memory was 80.1MB in the beginning and 64.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-21 18:29:46,740 INFO L158 Benchmark]: CodeCheck took 1051.46ms. Allocated memory is still 144.7MB. Free memory was 64.5MB in the beginning and 84.6MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,740 INFO L158 Benchmark]: Witness Printer took 4.14ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 84.3MB in the end (delta: 309.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:46,744 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 3 procedures, 24 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, 86 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 56 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 230 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 6 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, 0.4s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 58 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 1 PerfectInterpolantSequences, 3/4 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566. 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); [L1585] 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) [L1585] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=18, argc=18, argv={13:28}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1586] CALL CWE190_Integer_Overflow__int_fgets_add_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] EXPR data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562-L1572] { 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] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1577] data + 1 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 0.32ms. Allocated memory is still 94.4MB. Free memory is still 50.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1671.95ms. Allocated memory is still 144.7MB. Free memory was 88.6MB in the beginning and 84.4MB in the end (delta: 4.2MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.75ms. Allocated memory is still 144.7MB. Free memory was 84.4MB in the beginning and 81.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.88ms. Allocated memory is still 144.7MB. Free memory was 81.3MB in the beginning and 80.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 472.62ms. Allocated memory is still 144.7MB. Free memory was 80.1MB in the beginning and 64.5MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1051.46ms. Allocated memory is still 144.7MB. Free memory was 64.5MB in the beginning and 84.6MB in the end (delta: -20.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.14ms. Allocated memory is still 144.7MB. Free memory was 84.6MB in the beginning and 84.3MB in the end (delta: 309.9kB). 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~ret98 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret101 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 18:29:46,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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 4d02a12a715186c00aaa7dff6b61ecb932447425f82714281ff2436fc155b099 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:29:49,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:29:49,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-21 18:29:49,659 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:29:49,660 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:29:49,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:29:49,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:29:49,663 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:29:49,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:29:49,668 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:29:49,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:29:49,670 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:29:49,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:29:49,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:29:49,672 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:29:49,673 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:29:49,673 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:29:49,674 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:29:49,674 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:29:49,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:29:49,676 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:29:49,677 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:29:49,677 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:29:49,678 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:29:49,678 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:49,679 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:49,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:29:49,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:49,680 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:29:49,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:29:49,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:49,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:29:49,684 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:29:49,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:29:49,684 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_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d02a12a715186c00aaa7dff6b61ecb932447425f82714281ff2436fc155b099 [2023-11-21 18:29:50,074 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:29:50,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:29:50,107 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:29:50,108 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:29:50,109 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:29:50,111 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i [2023-11-21 18:29:53,545 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:29:53,998 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:29:53,999 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_08_bad.i [2023-11-21 18:29:54,035 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/3f7ee3812/58422a9a5bdb477f8516adecd03490af/FLAG59b9cbbb2 [2023-11-21 18:29:54,054 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/data/3f7ee3812/58422a9a5bdb477f8516adecd03490af [2023-11-21 18:29:54,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:29:54,060 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:29:54,063 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:54,064 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:29:54,069 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:29:54,070 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,071 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ca46fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:54, skipping insertion in model container [2023-11-21 18:29:54,071 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:29:54" (1/1) ... [2023-11-21 18:29:54,168 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:29:54,678 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:55,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:55,229 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:29:55,264 WARN L635 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2023-11-21 18:29:55,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:29:55,476 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,476 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,477 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,477 WARN L675 CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,477 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,477 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-21 18:29:55,486 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:29:55,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55 WrapperNode [2023-11-21 18:29:55,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:29:55,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:55,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:29:55,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:29:55,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,565 INFO L138 Inliner]: procedures = 507, calls = 66, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-21 18:29:55,566 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:29:55,566 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:29:55,567 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:29:55,567 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:29:55,577 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,577 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,583 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,583 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,593 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,599 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,602 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,607 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:29:55,608 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:29:55,608 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:29:55,609 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:29:55,610 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:29:55" (1/1) ... [2023-11-21 18:29:55,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:29:55,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:29:55,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:29:55,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:29:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-21 18:29:55,695 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-21 18:29:55,695 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-21 18:29:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 18:29:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-21 18:29:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:29:55,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:29:55,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:29:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-11-21 18:29:55,697 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-11-21 18:29:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 18:29:55,697 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-21 18:29:55,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-21 18:29:55,898 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:29:55,901 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:29:56,125 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:29:56,198 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:29:56,198 INFO L308 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-21 18:29:56,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:56 BoogieIcfgContainer [2023-11-21 18:29:56,200 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:29:56,201 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:29:56,201 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:29:56,213 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:29:56,213 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:56" (1/1) ... [2023-11-21 18:29:56,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:29:56,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 22 states and 27 transitions. [2023-11-21 18:29:56,295 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 27 transitions. [2023-11-21 18:29:56,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:29:56,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:56,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:56,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:56,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-21 18:29:56,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,443 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:29:56,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:29:56,476 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:56,499 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:29:56,502 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:29:56,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-21 18:29:56,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-21 18:29:56,537 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-21 18:29:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:29:56,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,538 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:56,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:56,540 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:56,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-21 18:29:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,675 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-21 18:29:56,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:56,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:29:56,709 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:56,778 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:29:56,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-21 18:29:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:56,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2023-11-21 18:29:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2023-11-21 18:29:56,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:29:56,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:56,868 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-21 18:29:56,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 [2023-11-21 18:29:56,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-21 18:29:56,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-21 18:29:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:57,127 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:57,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:57,362 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 18:29:57,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 18:29:57,434 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-21 18:29:57,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/bin/ukojak-verify-i0I2FZA1j2/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-21 18:29:57,444 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-21 18:29:57,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret96 could not be translated [2023-11-21 18:29:57,490 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret99 could not be translated [2023-11-21 18:29:57,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:29:57 ImpRootNode [2023-11-21 18:29:57,497 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-21 18:29:57,498 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 18:29:57,499 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 18:29:57,500 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 18:29:57,500 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:29:56" (3/4) ... [2023-11-21 18:29:57,503 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 18:29:57,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 18:29:57,506 INFO L158 Benchmark]: Toolchain (without parser) took 3445.07ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.6MB in the beginning and 60.4MB in the end (delta: -8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,508 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:57,509 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1423.50ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 61.4MB in the end (delta: -9.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,510 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.06ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 58.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,510 INFO L158 Benchmark]: Boogie Preprocessor took 40.89ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,511 INFO L158 Benchmark]: RCFGBuilder took 592.16ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 62.4MB in the end (delta: -6.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,512 INFO L158 Benchmark]: CodeCheck took 1295.92ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2023-11-21 18:29:57,512 INFO L158 Benchmark]: Witness Printer took 6.50ms. Allocated memory is still 96.5MB. Free memory is still 60.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:29:57,516 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 3 procedures, 22 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 73 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 39 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 204 GetRequests, 200 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, 0.1s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 0 QuantifiedInterpolants, 31 SizeOfPredicates, 0 NumberOfNonLiveVariables, 105 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 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: 1577]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1566. 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); [L1585] 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) [L1585] 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] [L1586] CALL CWE190_Integer_Overflow__int_fgets_add_08_bad() [L1558] int data; [L1559] 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] [L1560] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1560] RET staticReturnsTrue() 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] [L1560] COND TRUE staticReturnsTrue() [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1564] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1566] EXPR data = atoi(inputBuffer) [L1563] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1562-L1572] { 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] [L1574] CALL staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1550] return 1; [L1574] RET staticReturnsTrue() 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] [L1574] COND TRUE staticReturnsTrue() [L1577] data + 1 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 0.52ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 32.2MB in the end (delta: 71.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1423.50ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 51.5MB in the beginning and 61.4MB in the end (delta: -9.9MB). Peak memory consumption was 26.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.06ms. Allocated memory is still 96.5MB. Free memory was 61.4MB in the beginning and 58.5MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.89ms. Allocated memory is still 96.5MB. Free memory was 58.5MB in the beginning and 56.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 592.16ms. Allocated memory is still 96.5MB. Free memory was 56.4MB in the beginning and 62.4MB in the end (delta: -6.0MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * CodeCheck took 1295.92ms. Allocated memory is still 96.5MB. Free memory was 62.4MB in the beginning and 60.9MB in the end (delta: 1.5MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. * Witness Printer took 6.50ms. Allocated memory is still 96.5MB. Free memory is still 60.4MB. 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~ret96 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret99 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 18:29:57,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5bf7ae5-9166-4b44-8e3d-09d77c3199ba/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