./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi --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 b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:42,287 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:42,430 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-24 22:55:42,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:42,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:42,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:42,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:42,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:42,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:42,512 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:42,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:42,514 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:42,515 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:42,517 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:42,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:42,518 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:42,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:42,519 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:42,519 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:42,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:42,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:42,521 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:42,522 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:42,531 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:42,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:42,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:42,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:42,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:42,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:42,534 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:42,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:42,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:42,536 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_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 [2023-11-24 22:55:42,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:42,906 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:42,909 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:42,910 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:42,911 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:42,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2023-11-24 22:55:45,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:46,332 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:46,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2023-11-24 22:55:46,375 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/9f7f55268/fe3432b4aa2a4eabb43efd257f70a73d/FLAG4e285fa83 [2023-11-24 22:55:46,394 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/9f7f55268/fe3432b4aa2a4eabb43efd257f70a73d [2023-11-24 22:55:46,399 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:46,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:46,403 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:46,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:46,409 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:46,410 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ed02dbb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:46, skipping insertion in model container [2023-11-24 22:55:46,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:46" (1/1) ... [2023-11-24 22:55:46,529 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:48,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:48,277 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:48,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:48,703 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:48,703 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:48,703 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:48,703 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:48,704 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:48,712 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:48,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48 WrapperNode [2023-11-24 22:55:48,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:48,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:48,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:48,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:48,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,758 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,799 INFO L138 Inliner]: procedures = 937, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 60 [2023-11-24 22:55:48,800 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:48,800 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:48,801 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:48,801 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:48,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,831 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,846 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,848 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,850 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,853 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:48,854 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:48,854 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:48,854 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:48,855 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:48" (1/1) ... [2023-11-24 22:55:48,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:48,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:48,892 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:48,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:48,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:48,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:48,948 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:48,948 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:55:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:48,949 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:48,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 22:55:48,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:49,175 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:49,177 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:49,334 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:49,374 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:49,375 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:55:49,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:49 BoogieIcfgContainer [2023-11-24 22:55:49,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:49,378 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:49,378 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:49,389 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:49,389 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:49" (1/1) ... [2023-11-24 22:55:49,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:49,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 22:55:49,459 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 22:55:49,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:49,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:49,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-24 22:55:49,754 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-24 22:55:49,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:49,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:49,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:55:49,843 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:55:49,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:49,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 26 transitions. [2023-11-24 22:55:49,918 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2023-11-24 22:55:49,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:49,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:49,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:50,014 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:55:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:55:50,090 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-11-24 22:55:50,117 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet186 [2023-11-24 22:55:50,124 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:55:50 ImpRootNode [2023-11-24 22:55:50,125 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:55:50,126 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:55:50,126 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:55:50,126 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:55:50,127 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:49" (3/4) ... [2023-11-24 22:55:50,129 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:55:50,130 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:55:50,131 INFO L158 Benchmark]: Toolchain (without parser) took 3729.16ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 145.0MB in the beginning and 142.8MB in the end (delta: 2.2MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,132 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:50,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2309.68ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 73.9MB in the end (delta: 71.2MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,134 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.05ms. Allocated memory is still 178.3MB. Free memory was 73.9MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,135 INFO L158 Benchmark]: Boogie Preprocessor took 52.91ms. Allocated memory is still 178.3MB. Free memory was 70.7MB in the beginning and 144.7MB in the end (delta: -74.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,136 INFO L158 Benchmark]: RCFGBuilder took 522.69ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 144.6MB in the beginning and 172.2MB in the end (delta: -27.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,136 INFO L158 Benchmark]: CodeCheck took 747.71ms. Allocated memory is still 213.9MB. Free memory was 172.2MB in the beginning and 142.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 22:55:50,137 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 142.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:55:50,140 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, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 39 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 28 NumberOfCodeBlocks, 28 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 82 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1854]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843, overapproximation of large string literal at line 1862. 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); [L1832] static int staticFive = 5; [L1862] 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}, staticFive=5] [L1414] COND TRUE line != ((void *)0) [L1862] 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, staticFive=5] [L1863] CALL CWE190_Integer_Overflow__int_fgets_square_07_bad() [L1835] int data; [L1836] 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, staticFive=5] [L1837] COND TRUE staticFive==5 [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1841] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1843] EXPR data = atoi(inputBuffer) [L1840] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1839-L1849] { 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=-1027524, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1851] COND TRUE staticFive==5 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1027524, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] [L1854] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-1027524, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, staticFive=5] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 130.0MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2309.68ms. Allocated memory is still 178.3MB. Free memory was 145.0MB in the beginning and 73.9MB in the end (delta: 71.2MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.05ms. Allocated memory is still 178.3MB. Free memory was 73.9MB in the beginning and 70.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.91ms. Allocated memory is still 178.3MB. Free memory was 70.7MB in the beginning and 144.7MB in the end (delta: -74.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 522.69ms. Allocated memory was 178.3MB in the beginning and 213.9MB in the end (delta: 35.7MB). Free memory was 144.6MB in the beginning and 172.2MB in the end (delta: -27.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 747.71ms. Allocated memory is still 213.9MB. Free memory was 172.2MB in the beginning and 142.8MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 213.9MB. Free memory is still 142.8MB. 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: unknown boogie variable #t~nondet186 - 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 [2023-11-24 22:55:50,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/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_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi --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 b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:52,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:52,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-11-24 22:55:53,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:53,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:55:53,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:55:53,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:53,018 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:53,019 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:53,020 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:55:53,025 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:53,026 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:55:53,027 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:53,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:55:53,032 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:55:53,032 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:55:53,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:55:53,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:55:53,035 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:53,036 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:55:53,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:53,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:53,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:53,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:53,039 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:53,040 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:53,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:53,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:53,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:53,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:53,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:55:53,043 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:55:53,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:55:53,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:55:53,044 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:55:53,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:55:53,045 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_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b446e7c7a08fe67079599fbe0c40710e5b099097c71cf3fd8f8c60b7b33993d6 [2023-11-24 22:55:53,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:53,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:53,528 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:53,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:53,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:53,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2023-11-24 22:55:56,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:57,126 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:57,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_07_bad.i [2023-11-24 22:55:57,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/561cdcc54/14bd1d6746a545c997d9a50a3da3cc71/FLAG3df93b20e [2023-11-24 22:55:57,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/data/561cdcc54/14bd1d6746a545c997d9a50a3da3cc71 [2023-11-24 22:55:57,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:57,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:57,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:57,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:57,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:57,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,201 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c221d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:57, skipping insertion in model container [2023-11-24 22:55:57,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:57" (1/1) ... [2023-11-24 22:55:57,294 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:58,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:58,917 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:59,114 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:59,353 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:59,353 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:59,354 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:59,354 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:59,354 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-11-24 22:55:59,366 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:59,366 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59 WrapperNode [2023-11-24 22:55:59,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:59,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:59,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:59,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:59,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,458 INFO L138 Inliner]: procedures = 942, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-11-24 22:55:59,459 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:59,460 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:59,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:59,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:59,470 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,494 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,500 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,501 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:59,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:59,508 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:59,508 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:59,509 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:59" (1/1) ... [2023-11-24 22:55:59,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:59,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:59,550 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:59,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:59,583 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:59,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-11-24 22:55:59,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-11-24 22:55:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-11-24 22:55:59,585 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-11-24 22:55:59,586 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-11-24 22:55:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:59,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:55:59,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:59,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:02,386 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:02,425 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:02,425 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-24 22:56:02,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:02 BoogieIcfgContainer [2023-11-24 22:56:02,427 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:02,428 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:02,428 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:02,437 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:02,438 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:02" (1/1) ... [2023-11-24 22:56:02,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:02,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-24 22:56:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-24 22:56:02,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:56:02,513 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:02,513 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:02,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:02,514 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:56:02,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:02,678 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:56:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:02,737 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:02,742 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:02,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:02,800 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:56:02,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 22:56:02,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:02,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 27 transitions. [2023-11-24 22:56:02,915 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-24 22:56:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:56:02,917 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:02,917 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:56:02,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:56:02,919 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:56:02,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c4ea4d8-02c6-4664-8726-d9914b6e12a3/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process