./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_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_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/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_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/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_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/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 6809ebca40c67c2623c0b1241752a95200a5a432cb00a50ee110f7e4e59ebbd5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:53:55,744 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:53:55,807 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 02:53:55,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:53:55,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:53:55,833 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:53:55,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:53:55,833 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:53:55,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:53:55,834 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:53:55,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:53:55,835 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:53:55,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:53:55,835 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:53:55,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:53:55,836 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:53:55,836 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:53:55,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:53:55,836 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:53:55,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:53:55,836 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_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/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 -> 6809ebca40c67c2623c0b1241752a95200a5a432cb00a50ee110f7e4e59ebbd5 [2024-11-25 02:53:56,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:53:56,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:53:56,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:53:56,174 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:53:56,175 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:53:56,176 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_bad.i [2024-11-25 02:53:59,174 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/data/0ff78c16a/1a7c98572d8d4fd9a371eeb0583dc5de/FLAGd7b06b0fd [2024-11-25 02:53:59,596 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:53:59,597 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_predec_17_bad.i [2024-11-25 02:53:59,636 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/data/0ff78c16a/1a7c98572d8d4fd9a371eeb0583dc5de/FLAGd7b06b0fd [2024-11-25 02:53:59,650 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/data/0ff78c16a/1a7c98572d8d4fd9a371eeb0583dc5de [2024-11-25 02:53:59,652 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:53:59,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:53:59,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:53:59,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:53:59,660 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:53:59,661 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:53:59" (1/1) ... [2024-11-25 02:53:59,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41091e28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:53:59, skipping insertion in model container [2024-11-25 02:53:59,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:53:59" (1/1) ... [2024-11-25 02:53:59,731 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:54:00,574 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:00,584 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:54:00,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:54:00,826 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:54:00,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00 WrapperNode [2024-11-25 02:54:00,826 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:54:00,827 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:00,827 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:54:00,827 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:54:00,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,866 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,900 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-25 02:54:00,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:54:00,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:54:00,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:54:00,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:54:00,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,915 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,921 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:54:00,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:54:00,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:54:00,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:54:00,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:54:00" (1/1) ... [2024-11-25 02:54:00,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:54:00,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:54:00,973 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:54:00,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 02:54:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 02:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:54:00,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:54:00,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:54:01,145 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:54:01,148 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:54:01,306 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 02:54:01,306 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:54:01,362 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:54:01,362 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:54:01,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:01 BoogieIcfgContainer [2024-11-25 02:54:01,363 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:54:01,364 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:54:01,365 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:54:01,379 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:54:01,379 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:01" (1/1) ... [2024-11-25 02:54:01,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:54:01,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:01,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-25 02:54:01,448 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-25 02:54:01,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:54:01,452 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:01,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:01,763 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 02:54:01,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-25 02:54:01,852 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-25 02:54:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:54:01,852 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:01,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:01,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:02,001 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 02:54:02,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:02,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-25 02:54:02,025 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-25 02:54:02,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:54:02,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:02,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:54:02,174 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 02:54:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:54:02,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-25 02:54:02,270 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-25 02:54:02,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 02:54:02,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:54:02,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:54:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:02,293 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:54:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:02,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:02,366 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:54:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:54:02,406 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-25 02:54:02,444 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:54:02 ImpRootNode [2024-11-25 02:54:02,444 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:54:02,445 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:54:02,445 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:54:02,445 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:54:02,446 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:54:01" (3/4) ... [2024-11-25 02:54:02,447 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-25 02:54:02,499 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-25 02:54:02,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:54:02,552 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:54:02,556 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:54:02,557 INFO L158 Benchmark]: Toolchain (without parser) took 2903.32ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 77.3MB in the end (delta: 12.0MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2024-11-25 02:54:02,557 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:02,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1171.77ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.2MB in the end (delta: 7.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. [2024-11-25 02:54:02,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:54:02,558 INFO L158 Benchmark]: Boogie Preprocessor took 21.88ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:02,559 INFO L158 Benchmark]: RCFGBuilder took 439.90ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:54:02,559 INFO L158 Benchmark]: CodeCheck took 1080.90ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 81.7MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:54:02,559 INFO L158 Benchmark]: Witness Printer took 111.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 77.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:54:02,565 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: 1.0s, 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, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 15 SdHoareTripleChecker+Invalid, 0.2s 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); [L1569] 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) [L1569] 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] [L1570] CALL CWE191_Integer_Underflow__int_fscanf_predec_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 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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 72.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1171.77ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 81.2MB in the end (delta: 7.8MB). Peak memory consumption was 66.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.01ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 78.9MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.88ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 77.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 439.90ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 64.0MB in the end (delta: 13.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1080.90ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 81.7MB in the end (delta: -17.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 111.06ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 77.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-25 02:54:02,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6ae7b5b-d0eb-492e-b794-0e47ee990cce/bin/ukojak-verify-ENZ3QT5qd3/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)