./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9 --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 aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:10,564 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:10,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 02:39:10,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:39:10,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:39:10,657 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:10,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:10,659 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:10,660 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:10,660 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:10,661 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:10,661 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:10,662 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:39:10,662 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:10,663 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:10,663 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:10,664 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:10,664 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:39:10,665 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:39:10,665 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:10,666 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:10,667 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:10,668 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:10,668 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:10,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:10,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:10,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:10,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:10,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:10,671 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:39:10,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:39:10,672 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:10,672 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_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 [2023-12-03 02:39:10,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:10,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:10,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:10,899 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:10,899 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:10,900 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-12-03 02:39:14,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:14,385 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:14,386 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-12-03 02:39:14,423 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/f69ea03eb/368d948379c9421b8c1c2e1be82a3347/FLAG9d3f51578 [2023-12-03 02:39:14,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/f69ea03eb/368d948379c9421b8c1c2e1be82a3347 [2023-12-03 02:39:14,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:14,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:14,448 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:14,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:14,455 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:14,456 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:14" (1/1) ... [2023-12-03 02:39:14,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f5dbfd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:14, skipping insertion in model container [2023-12-03 02:39:14,458 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:14" (1/1) ... [2023-12-03 02:39:14,540 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:16,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:16,283 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:16,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:16,670 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:16,671 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:16,671 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:16,671 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:16,671 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:16,677 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:16,677 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16 WrapperNode [2023-12-03 02:39:16,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:16,678 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:16,679 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:16,679 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:16,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,715 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,744 INFO L138 Inliner]: procedures = 939, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2023-12-03 02:39:16,745 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:16,746 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:16,746 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:16,747 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:16,754 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,754 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,757 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,758 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,764 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,766 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,769 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,774 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:16,775 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:16,775 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:16,775 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:16,776 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:16" (1/1) ... [2023-12-03 02:39:16,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:16,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:16,809 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:16,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-03 02:39:16,838 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-03 02:39:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:39:16,838 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:39:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:39:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:39:16,839 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:39:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:39:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 02:39:16,839 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:39:16,966 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:16,969 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:17,083 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:17,118 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:17,118 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:39:17,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:17 BoogieIcfgContainer [2023-12-03 02:39:17,120 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:17,121 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:17,121 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:17,128 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:17,128 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:17" (1/1) ... [2023-12-03 02:39:17,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:17,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-12-03 02:39:17,176 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-12-03 02:39:17,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:39:17,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:17,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:17,467 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-03 02:39:17,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:17,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2023-12-03 02:39:17,524 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2023-12-03 02:39:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-03 02:39:17,524 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:17,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:39:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:17,604 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:39:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:39:17,653 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:39:17,680 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet188 [2023-12-03 02:39:17,683 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret182 could not be translated [2023-12-03 02:39:17,684 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret186 could not be translated [2023-12-03 02:39:17,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:39:17 ImpRootNode [2023-12-03 02:39:17,688 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:39:17,689 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:39:17,689 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:39:17,689 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:39:17,690 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:17" (3/4) ... [2023-12-03 02:39:17,692 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:39:17,693 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:39:17,694 INFO L158 Benchmark]: Toolchain (without parser) took 3247.19ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 121.0MB in the beginning and 107.0MB in the end (delta: 14.0MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2023-12-03 02:39:17,694 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 165.7MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:17,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2229.65ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 120.7MB in the beginning and 160.5MB in the end (delta: -39.8MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2023-12-03 02:39:17,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.28ms. Allocated memory is still 228.6MB. Free memory was 160.5MB in the beginning and 156.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:39:17,696 INFO L158 Benchmark]: Boogie Preprocessor took 27.80ms. Allocated memory is still 228.6MB. Free memory was 156.3MB in the beginning and 155.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:17,697 INFO L158 Benchmark]: RCFGBuilder took 345.11ms. Allocated memory is still 228.6MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 02:39:17,697 INFO L158 Benchmark]: CodeCheck took 568.01ms. Allocated memory is still 228.6MB. Free memory was 137.4MB in the beginning and 108.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-12-03 02:39:17,698 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 228.6MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:39:17,701 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, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 36 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 19 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, 19 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 105 GetRequests, 101 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, 0.2s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 0 PerfectInterpolantSequences, 1/2 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: 1861]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1850, overapproximation of large string literal at line 1869. 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); [L1869] 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) [L1869] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=12, argc=12, argv={18:27}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1870] CALL CWE190_Integer_Overflow__int_fgets_square_08_bad() [L1842] int data; [L1843] 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] [L1844] 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] [L1834] return 1; [L1844] 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] [L1844] COND TRUE staticReturnsTrue() [L1847] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1848] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1850] EXPR data = atoi(inputBuffer) [L1847] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1846-L1856] { 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=536608769, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1858] 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] [L1834] return 1; [L1858] RET staticReturnsTrue() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=536608769, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1858] COND TRUE staticReturnsTrue() [L1861] data * data VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=536608769, 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 0.23ms. Allocated memory is still 165.7MB. Free memory is still 107.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2229.65ms. Allocated memory was 165.7MB in the beginning and 228.6MB in the end (delta: 62.9MB). Free memory was 120.7MB in the beginning and 160.5MB in the end (delta: -39.8MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.28ms. Allocated memory is still 228.6MB. Free memory was 160.5MB in the beginning and 156.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.80ms. Allocated memory is still 228.6MB. Free memory was 156.3MB in the beginning and 155.2MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 345.11ms. Allocated memory is still 228.6MB. Free memory was 155.2MB in the beginning and 137.4MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 568.01ms. Allocated memory is still 228.6MB. Free memory was 137.4MB in the beginning and 108.0MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 228.6MB. Free memory was 108.0MB in the beginning and 107.0MB in the end (delta: 1.0MB). 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~nondet188 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret182 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret186 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 [2023-12-03 02:39:17,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9 --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 aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:39:19,604 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:39:19,683 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 02:39:19,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:39:19,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:39:19,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:39:19,718 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:39:19,719 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:39:19,719 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:39:19,720 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:39:19,720 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:39:19,721 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:39:19,721 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:39:19,722 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:39:19,722 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:39:19,723 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:39:19,723 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 02:39:19,724 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:39:19,724 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 02:39:19,725 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:39:19,725 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:39:19,726 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:39:19,727 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:39:19,727 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:39:19,728 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:19,728 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:19,729 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:39:19,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:19,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:39:19,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:39:19,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:39:19,731 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:39:19,731 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:19,731 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:39:19,731 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:39:19,732 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:39:19,732 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_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa3605b34b0253b1f3c1c66572f8bf88a65afb1f8dcc06ae4ec10c63433c4213 [2023-12-03 02:39:20,023 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:39:20,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:39:20,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:39:20,045 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:39:20,046 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:39:20,047 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-12-03 02:39:22,787 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:39:23,137 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:39:23,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_08_bad.i [2023-12-03 02:39:23,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/1eb9823ae/760ddf955688430eb3d3366605f8db74/FLAG8f543c59e [2023-12-03 02:39:23,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/data/1eb9823ae/760ddf955688430eb3d3366605f8db74 [2023-12-03 02:39:23,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:39:23,187 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:39:23,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:23,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:39:23,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:39:23,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:23" (1/1) ... [2023-12-03 02:39:23,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14af1ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:23, skipping insertion in model container [2023-12-03 02:39:23,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:39:23" (1/1) ... [2023-12-03 02:39:23,264 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:39:24,492 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:24,506 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:39:24,592 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:39:24,830 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:24,830 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:24,830 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:24,830 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:24,830 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 02:39:24,837 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:39:24,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24 WrapperNode [2023-12-03 02:39:24,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:39:24,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:24,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:39:24,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:39:24,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,912 INFO L138 Inliner]: procedures = 944, calls = 65, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 64 [2023-12-03 02:39:24,913 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:39:24,913 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:39:24,914 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:39:24,914 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:39:24,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,927 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,927 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,944 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,949 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:39:24,950 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:39:24,950 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:39:24,950 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:39:24,951 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:39:24" (1/1) ... [2023-12-03 02:39:24,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:39:24,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:39:24,980 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:39:24,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:39:25,018 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:39:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:39:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:39:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2023-12-03 02:39:25,019 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2023-12-03 02:39:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:39:25,019 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 02:39:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 02:39:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 02:39:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 02:39:25,020 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 02:39:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:39:25,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:39:25,181 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:39:25,185 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:39:26,354 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:39:26,395 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:39:26,396 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-03 02:39:26,397 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:26 BoogieIcfgContainer [2023-12-03 02:39:26,397 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:39:26,398 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:39:26,399 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:39:26,408 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:39:26,409 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:39:26" (1/1) ... [2023-12-03 02:39:26,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:39:26,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:26,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 23 states and 28 transitions. [2023-12-03 02:39:26,472 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 28 transitions. [2023-12-03 02:39:26,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-03 02:39:26,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:26,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:26,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:26,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:26,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:39:26,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,605 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:39:26,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:39:26,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-03 02:39:26,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:39:26,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:39:26,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:39:26,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:39:26,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2023-12-03 02:39:26,855 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2023-12-03 02:39:26,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-03 02:39:26,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:39:26,856 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:39:26,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:39:26,858 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:39:26,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f75f5f45-567a-4c69-bb7c-950810ea3e7e/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process