./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_17_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3 --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 de98058f8b89fd6510fa67c33bcc86c42a787a37b4dda1046d2af96b9857e9bf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:41:12,948 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:41:13,052 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 03:41:13,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:41:13,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:41:13,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:41:13,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:41:13,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:41:13,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:41:13,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:41:13,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:41:13,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:41:13,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:41:13,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:41:13,121 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:41:13,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:41:13,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:41:13,122 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 03:41:13,122 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 03:41:13,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:41:13,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:41:13,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:41:13,123 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:41:13,123 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:41:13,124 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:41:13,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:41:13,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:13,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:41:13,124 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:41:13,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:41:13,125 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:41:13,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:41:13,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3 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 -> de98058f8b89fd6510fa67c33bcc86c42a787a37b4dda1046d2af96b9857e9bf [2024-11-25 03:41:13,555 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:41:13,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:41:13,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:41:13,577 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:41:13,578 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:41:13,580 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_17_bad.i [2024-11-25 03:41:17,188 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/data/43f308ce1/1ede94131ac94f67a3ec08a90994b56f/FLAG21d92300d [2024-11-25 03:41:17,787 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:41:17,787 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_17_bad.i [2024-11-25 03:41:17,837 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/data/43f308ce1/1ede94131ac94f67a3ec08a90994b56f/FLAG21d92300d [2024-11-25 03:41:17,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/data/43f308ce1/1ede94131ac94f67a3ec08a90994b56f [2024-11-25 03:41:17,865 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:41:17,867 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:41:17,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:17,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:41:17,875 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:41:17,876 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:17" (1/1) ... [2024-11-25 03:41:17,877 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2511d8c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:17, skipping insertion in model container [2024-11-25 03:41:17,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:41:17" (1/1) ... [2024-11-25 03:41:17,942 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:41:19,072 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:19,083 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:41:19,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:41:19,404 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:41:19,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19 WrapperNode [2024-11-25 03:41:19,405 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:41:19,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:19,407 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:41:19,407 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:41:19,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,454 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,492 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-25 03:41:19,493 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:41:19,493 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:41:19,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:41:19,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:41:19,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,506 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,531 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,532 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:41:19,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:41:19,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:41:19,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:41:19,538 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:41:19" (1/1) ... [2024-11-25 03:41:19,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:41:19,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:41:19,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:41:19,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:41:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 03:41:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 03:41:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:41:19,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:41:19,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:41:19,866 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:41:19,869 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:41:20,049 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 03:41:20,049 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:41:20,135 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:41:20,135 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:41:20,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:20 BoogieIcfgContainer [2024-11-25 03:41:20,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:41:20,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:41:20,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:41:20,151 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:41:20,151 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:20" (1/1) ... [2024-11-25 03:41:20,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:41:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:20,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 03:41:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 03:41:20,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 03:41:20,237 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:20,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:41:20,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:20,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 03:41:20,742 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 03:41:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 03:41:20,742 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:20,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:41:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:20,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 03:41:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 03:41:20,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 03:41:20,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:20,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:20,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:41:20,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:41:21,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:41:21,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-25 03:41:21,061 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-25 03:41:21,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 03:41:21,062 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:41:21,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:41:21,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:21,093 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:41:21,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:21,182 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 03:41:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 03:41:21,222 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 03:41:21,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:41:21 ImpRootNode [2024-11-25 03:41:21,260 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:41:21,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:41:21,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:41:21,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:41:21,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:41:20" (3/4) ... [2024-11-25 03:41:21,263 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 03:41:21,313 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 03:41:21,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:41:21,354 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:41:21,354 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:41:21,355 INFO L158 Benchmark]: Toolchain (without parser) took 3488.66ms. Allocated memory is still 167.8MB. Free memory was 127.1MB in the beginning and 87.3MB in the end (delta: 39.8MB). Peak memory consumption was 40.7MB. Max. memory is 16.1GB. [2024-11-25 03:41:21,356 INFO L158 Benchmark]: CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:41:21,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1537.15ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 67.3MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-11-25 03:41:21,357 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.69ms. Allocated memory is still 167.8MB. Free memory was 67.3MB in the beginning and 64.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:41:21,357 INFO L158 Benchmark]: Boogie Preprocessor took 42.02ms. Allocated memory is still 167.8MB. Free memory was 64.8MB in the beginning and 63.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:41:21,357 INFO L158 Benchmark]: RCFGBuilder took 599.83ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 48.7MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:41:21,358 INFO L158 Benchmark]: CodeCheck took 1123.27ms. Allocated memory is still 167.8MB. Free memory was 48.7MB in the beginning and 92.7MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:41:21,358 INFO L158 Benchmark]: Witness Printer took 93.93ms. Allocated memory is still 167.8MB. Free memory was 92.7MB in the beginning and 87.3MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:41:21,360 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, 22 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 15 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 169 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 40 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - CounterExampleResult [Line: 1560]: integer overflow possible integer overflow possible We found a 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); [L1568] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1568] RET 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] [L1569] CALL CWE191_Integer_Underflow__int_fscanf_sub_17_bad() [L1550] int i,j; [L1551] int data; [L1552] data = 0 [L1553] i = 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, i=0] [L1553] COND TRUE i < 1 [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1557] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1557] COND TRUE j < 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1560] data - 1 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50ms. Allocated memory is still 167.8MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1537.15ms. Allocated memory is still 167.8MB. Free memory was 126.8MB in the beginning and 67.3MB in the end (delta: 59.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.69ms. Allocated memory is still 167.8MB. Free memory was 67.3MB in the beginning and 64.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.02ms. Allocated memory is still 167.8MB. Free memory was 64.8MB in the beginning and 63.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 599.83ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 48.7MB in the end (delta: 14.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1123.27ms. Allocated memory is still 167.8MB. Free memory was 48.7MB in the beginning and 92.7MB in the end (delta: -44.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.93ms. Allocated memory is still 167.8MB. Free memory was 92.7MB in the beginning and 87.3MB in the end (delta: 5.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 03:41:21,380 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b8f44ac-49a9-4347-8cf5-ab982cc5410f/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)