./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_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_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/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_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/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_f945f938-5d29-4e02-9adb-a18f9a065f38/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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:27:14,007 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:27:14,075 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-12-03 04:27:14,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 04:27:14,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 04:27:14,101 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:27:14,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:27:14,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:27:14,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:27:14,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:27:14,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:27:14,105 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:27:14,105 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 04:27:14,106 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:27:14,106 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:27:14,107 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:27:14,107 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:27:14,108 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:27:14,108 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:27:14,109 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:27:14,109 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:27:14,110 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:27:14,111 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:27:14,111 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:27:14,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:27:14,112 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:14,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:27:14,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:27:14,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:27:14,114 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 04:27:14,114 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 04:27:14,114 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:27:14,115 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_f945f938-5d29-4e02-9adb-a18f9a065f38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2023-12-03 04:27:14,318 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:27:14,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:27:14,340 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:27:14,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:27:14,342 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:27:14,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2023-12-03 04:27:17,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:27:17,393 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:27:17,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2023-12-03 04:27:17,414 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/6d362dc3b/62d1bbc02bce4afd868ec3abd2232178/FLAG83936d7ef [2023-12-03 04:27:17,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/6d362dc3b/62d1bbc02bce4afd868ec3abd2232178 [2023-12-03 04:27:17,428 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:27:17,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:27:17,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:17,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:27:17,435 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:27:17,435 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:17" (1/1) ... [2023-12-03 04:27:17,436 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6800e51d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:17, skipping insertion in model container [2023-12-03 04:27:17,437 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:17" (1/1) ... [2023-12-03 04:27:17,511 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:27:18,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:18,242 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:27:18,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:18,517 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:18,517 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:18,518 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:18,518 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:18,518 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:18,526 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:27:18,526 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18 WrapperNode [2023-12-03 04:27:18,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:18,528 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:18,528 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:27:18,528 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:27:18,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,564 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,591 INFO L138 Inliner]: procedures = 499, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 59 [2023-12-03 04:27:18,591 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:18,592 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:27:18,592 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:27:18,593 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:27:18,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,607 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,623 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:27:18,624 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:27:18,624 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:27:18,625 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:27:18,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:18,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:18,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:27:18,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:27:18,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:27:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:27:18,697 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:27:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:27:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:27:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-12-03 04:27:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:27:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:27:18,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:27:18,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:27:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:27:18,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 04:27:18,841 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:27:18,843 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:27:18,948 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:27:18,984 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:27:18,984 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:27:18,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:18 BoogieIcfgContainer [2023-12-03 04:27:18,986 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:27:18,987 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:27:18,987 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:27:18,996 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:27:18,996 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:18" (1/1) ... [2023-12-03 04:27:19,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:27:19,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:19,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 04:27:19,048 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 04:27:19,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:27:19,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:19,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:19,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:27:19,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:19,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-12-03 04:27:19,259 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-12-03 04:27:19,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 04:27:19,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:19,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:19,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:27:19,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:19,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2023-12-03 04:27:19,414 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2023-12-03 04:27:19,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:27:19,415 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:19,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 04:27:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:19,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:27:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:19,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:19,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:27:19,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:19,566 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2023-12-03 04:27:19,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet102 [2023-12-03 04:27:19,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:27:19 ImpRootNode [2023-12-03 04:27:19,597 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:27:19,598 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:27:19,598 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:27:19,598 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:27:19,599 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:18" (3/4) ... [2023-12-03 04:27:19,601 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:27:19,602 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:27:19,603 INFO L158 Benchmark]: Toolchain (without parser) took 2172.96ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 104.0MB in the beginning and 110.6MB in the end (delta: -6.6MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB. [2023-12-03 04:27:19,603 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:19,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1096.34ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 103.7MB in the beginning and 162.0MB in the end (delta: -58.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. [2023-12-03 04:27:19,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.67ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 158.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 04:27:19,605 INFO L158 Benchmark]: Boogie Preprocessor took 31.06ms. Allocated memory is still 205.5MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:19,606 INFO L158 Benchmark]: RCFGBuilder took 362.06ms. Allocated memory is still 205.5MB. Free memory was 157.8MB in the beginning and 143.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-03 04:27:19,607 INFO L158 Benchmark]: CodeCheck took 610.44ms. Allocated memory is still 205.5MB. Free memory was 143.1MB in the beginning and 110.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-03 04:27:19,607 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 205.5MB. Free memory is still 110.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:19,610 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 47 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 26 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 106 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] 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] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 104.9MB. Free memory is still 56.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1096.34ms. Allocated memory was 151.0MB in the beginning and 205.5MB in the end (delta: 54.5MB). Free memory was 103.7MB in the beginning and 162.0MB in the end (delta: -58.2MB). Peak memory consumption was 67.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.67ms. Allocated memory is still 205.5MB. Free memory was 162.0MB in the beginning and 158.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.06ms. Allocated memory is still 205.5MB. Free memory was 158.8MB in the beginning and 157.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 362.06ms. Allocated memory is still 205.5MB. Free memory was 157.8MB in the beginning and 143.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 610.44ms. Allocated memory is still 205.5MB. Free memory was 143.1MB in the beginning and 110.6MB in the end (delta: 32.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 205.5MB. Free memory is still 110.6MB. 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~nondet102 - 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 04:27:19,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/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_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/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_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/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_f945f938-5d29-4e02-9adb-a18f9a065f38/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 be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 04:27:21,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 04:27:21,663 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2023-12-03 04:27:21,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 04:27:21,694 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 04:27:21,695 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 04:27:21,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 04:27:21,696 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 04:27:21,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 04:27:21,697 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 04:27:21,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 04:27:21,698 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 04:27:21,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 04:27:21,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 04:27:21,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 04:27:21,700 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 04:27:21,701 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-03 04:27:21,701 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 04:27:21,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-03 04:27:21,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 04:27:21,703 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 04:27:21,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 04:27:21,704 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 04:27:21,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 04:27:21,705 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:21,705 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 04:27:21,706 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 04:27:21,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:21,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 04:27:21,707 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 04:27:21,707 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 04:27:21,708 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 04:27:21,708 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:21,708 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 04:27:21,709 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 04:27:21,709 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 04:27:21,710 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_f945f938-5d29-4e02-9adb-a18f9a065f38/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> be67fa318ddd3734dd0eaafb718d9d1ab23763475ca4e4f14b378a99bf51a733 [2023-12-03 04:27:22,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 04:27:22,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 04:27:22,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 04:27:22,034 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 04:27:22,035 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 04:27:22,036 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2023-12-03 04:27:24,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 04:27:25,113 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 04:27:25,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_add_02_bad.i [2023-12-03 04:27:25,137 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/efea4ee1e/c9f76d60b9b84b52926bc28ec856257f/FLAG66685f0d6 [2023-12-03 04:27:25,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/data/efea4ee1e/c9f76d60b9b84b52926bc28ec856257f [2023-12-03 04:27:25,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 04:27:25,155 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 04:27:25,156 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:25,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 04:27:25,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 04:27:25,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:25" (1/1) ... [2023-12-03 04:27:25,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc49d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:25, skipping insertion in model container [2023-12-03 04:27:25,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 04:27:25" (1/1) ... [2023-12-03 04:27:25,219 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 04:27:25,974 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:25,990 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 04:27:26,076 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 04:27:26,210 WARN L675 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:26,210 WARN L675 CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:26,210 WARN L675 CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:26,210 WARN L675 CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:26,211 WARN L675 CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler. [2023-12-03 04:27:26,216 INFO L206 MainTranslator]: Completed translation [2023-12-03 04:27:26,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26 WrapperNode [2023-12-03 04:27:26,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 04:27:26,217 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:26,217 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 04:27:26,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 04:27:26,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,275 INFO L138 Inliner]: procedures = 504, calls = 63, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-12-03 04:27:26,275 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 04:27:26,276 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 04:27:26,276 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 04:27:26,276 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 04:27:26,283 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,287 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,288 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,296 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,298 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,302 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,304 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,309 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 04:27:26,309 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 04:27:26,310 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 04:27:26,310 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 04:27:26,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 04:27:26,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 04:27:26,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 04:27:26,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2023-12-03 04:27:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 04:27:26,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 04:27:26,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 04:27:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 04:27:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure time [2023-12-03 04:27:26,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2023-12-03 04:27:26,524 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 04:27:26,526 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 04:27:26,647 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 04:27:26,685 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 04:27:26,686 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-12-03 04:27:26,687 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:26 BoogieIcfgContainer [2023-12-03 04:27:26,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 04:27:26,688 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 04:27:26,688 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 04:27:26,698 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 04:27:26,698 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:26" (1/1) ... [2023-12-03 04:27:26,707 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 04:27:26,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:26,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-12-03 04:27:26,773 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-12-03 04:27:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 04:27:26,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:26,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:26,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:26,780 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:26,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 04:27:26,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:26,937 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 04:27:26,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 04:27:26,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 04:27:26,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 04:27:26,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 04:27:26,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 04:27:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 04:27:27,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 17 states and 19 transitions. [2023-12-03 04:27:27,014 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2023-12-03 04:27:27,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 04:27:27,015 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 04:27:27,015 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 04:27:27,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 04:27:27,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 04:27:27,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 04:27:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:27,194 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:27:27,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:27,391 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 04:27:27,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 04:27:27,457 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 04:27:27,457 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 04:27:27,463 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 04:27:27,487 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #t~nondet100 [2023-12-03 04:27:27,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 04:27:27 ImpRootNode [2023-12-03 04:27:27,493 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 04:27:27,493 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 04:27:27,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 04:27:27,494 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 04:27:27,494 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 04:27:26" (3/4) ... [2023-12-03 04:27:27,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 04:27:27,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 04:27:27,498 INFO L158 Benchmark]: Toolchain (without parser) took 2342.17ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 58.4MB in the beginning and 73.6MB in the end (delta: -15.2MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-03 04:27:27,498 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:27,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1060.40ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 58.2MB in the beginning and 83.6MB in the end (delta: -25.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-12-03 04:27:27,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.23ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 80.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:27:27,500 INFO L158 Benchmark]: Boogie Preprocessor took 32.77ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 04:27:27,500 INFO L158 Benchmark]: RCFGBuilder took 378.10ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 61.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 04:27:27,501 INFO L158 Benchmark]: CodeCheck took 804.57ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 74.3MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:27,501 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 123.7MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 04:27:27,504 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 18 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 10 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 43 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1569]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1577. 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); [L1577] 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) [L1577] RET printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(argc)=0, argc=0, argv={0:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL CWE190_Integer_Overflow__int_fgets_add_02_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE, EXPR fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] EXPR data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1554-L1564] { char inputBuffer[(3 * sizeof(data) + 2)] = ""; if (fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0)) { data = atoi(inputBuffer); } else { printLine("fgets() failed."); } } VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1569] data + 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=2147483647, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory is still 62.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1060.40ms. Allocated memory was 86.0MB in the beginning and 123.7MB in the end (delta: 37.7MB). Free memory was 58.2MB in the beginning and 83.6MB in the end (delta: -25.4MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.23ms. Allocated memory is still 123.7MB. Free memory was 83.6MB in the beginning and 80.7MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.77ms. Allocated memory is still 123.7MB. Free memory was 80.7MB in the beginning and 78.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 378.10ms. Allocated memory is still 123.7MB. Free memory was 78.6MB in the beginning and 61.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 804.57ms. Allocated memory is still 123.7MB. Free memory was 61.2MB in the beginning and 74.3MB in the end (delta: -13.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 123.7MB. Free memory is still 73.6MB. 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~nondet100 - 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 04:27:27,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f945f938-5d29-4e02-9adb-a18f9a065f38/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample