./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_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_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/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_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/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_9bd27f98-8b26-41de-96f0-0032ad3f1f45/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 085331ab314de2d73cae0cdb8ff2481a405222bc5a60b60db694503dd434e6cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:08:18,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:08:18,849 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-24 18:08:18,855 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:08:18,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:08:18,876 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:08:18,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:08:18,878 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:08:18,878 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:08:18,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:08:18,878 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:08:18,879 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:08:18,880 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:08:18,880 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:08:18,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:08:18,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:18,881 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:08:18,881 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:08:18,881 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:08:18,881 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:08:18,881 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:08:18,881 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_9bd27f98-8b26-41de-96f0-0032ad3f1f45/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 -> 085331ab314de2d73cae0cdb8ff2481a405222bc5a60b60db694503dd434e6cf [2024-11-24 18:08:19,196 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:08:19,208 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:08:19,211 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:08:19,213 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:08:19,215 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:08:19,216 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_bad.i [2024-11-24 18:08:22,237 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/data/3ad2cf459/ea9166300c114ca68f9d653b348cc988/FLAG43f44263d [2024-11-24 18:08:22,602 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:08:22,603 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_17_bad.i [2024-11-24 18:08:22,640 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/data/3ad2cf459/ea9166300c114ca68f9d653b348cc988/FLAG43f44263d [2024-11-24 18:08:22,664 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/data/3ad2cf459/ea9166300c114ca68f9d653b348cc988 [2024-11-24 18:08:22,668 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:08:22,669 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:08:22,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:22,673 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:08:22,677 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:08:22,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:22" (1/1) ... [2024-11-24 18:08:22,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c9f980 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:22, skipping insertion in model container [2024-11-24 18:08:22,682 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:08:22" (1/1) ... [2024-11-24 18:08:22,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:08:23,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:23,607 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:08:23,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:08:23,931 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:08:23,931 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23 WrapperNode [2024-11-24 18:08:23,932 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:08:23,933 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:23,933 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:08:23,933 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:08:23,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:23,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,008 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 61 [2024-11-24 18:08:24,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:08:24,010 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:08:24,010 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:08:24,010 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:08:24,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,023 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,027 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,042 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,043 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,044 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:08:24,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:08:24,050 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:08:24,050 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:08:24,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:08:23" (1/1) ... [2024-11-24 18:08:24,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:08:24,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:08:24,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:08:24,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:08:24,128 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-24 18:08:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-24 18:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:08:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:08:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:08:24,283 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:08:24,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:08:24,395 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-24 18:08:24,395 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:08:24,438 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:08:24,438 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:08:24,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:24 BoogieIcfgContainer [2024-11-24 18:08:24,439 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:08:24,440 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:08:24,440 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:08:24,450 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:08:24,451 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:24" (1/1) ... [2024-11-24 18:08:24,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:08:24,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:24,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2024-11-24 18:08:24,517 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2024-11-24 18:08:24,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-24 18:08:24,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:24,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:24,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:24,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-24 18:08:24,856 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-24 18:08:24,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 18:08:24,856 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:24,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:24,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:24,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:24,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 25 states and 28 transitions. [2024-11-24 18:08:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-24 18:08:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-24 18:08:24,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:24,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:25,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:25,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 21 states and 22 transitions. [2024-11-24 18:08:25,240 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 22 transitions. [2024-11-24 18:08:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-24 18:08:25,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:25,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:08:25,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:08:25,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:08:25,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2024-11-24 18:08:25,620 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-11-24 18:08:25,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-24 18:08:25,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:08:25,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:08:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:25,641 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:08:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:25,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:25,719 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 18:08:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 18:08:25,753 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-24 18:08:25,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:08:25 ImpRootNode [2024-11-24 18:08:25,790 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:08:25,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:08:25,791 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:08:25,791 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:08:25,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:08:24" (3/4) ... [2024-11-24 18:08:25,793 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 18:08:25,847 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 8. [2024-11-24 18:08:25,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:08:25,901 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:08:25,901 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:08:25,902 INFO L158 Benchmark]: Toolchain (without parser) took 3232.80ms. Allocated memory is still 117.4MB. Free memory was 89.2MB in the beginning and 50.5MB in the end (delta: 38.7MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-11-24 18:08:25,903 INFO L158 Benchmark]: CDTParser took 1.50ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:25,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1260.63ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-24 18:08:25,904 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.05ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:25,904 INFO L158 Benchmark]: Boogie Preprocessor took 39.44ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:08:25,905 INFO L158 Benchmark]: RCFGBuilder took 389.22ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.3MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:08:25,905 INFO L158 Benchmark]: CodeCheck took 1350.98ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 55.7MB in the end (delta: 6.6MB). Peak memory consumption was 333.6kB. Max. memory is 16.1GB. [2024-11-24 18:08:25,905 INFO L158 Benchmark]: Witness Printer took 110.14ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 50.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:08:25,910 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: 1.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 12 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 100 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 22 mSDtfsCounter, 100 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 251 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 70 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2/3 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 CWE190_Integer_Overflow__int_fscanf_preinc_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=2147483647, 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=2147483647, 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=2147483647, 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 1.50ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1260.63ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 79.5MB in the end (delta: 9.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.05ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 76.8MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.44ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.22ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 62.3MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1350.98ms. Allocated memory is still 117.4MB. Free memory was 62.3MB in the beginning and 55.7MB in the end (delta: 6.6MB). Peak memory consumption was 333.6kB. Max. memory is 16.1GB. * Witness Printer took 110.14ms. Allocated memory is still 117.4MB. Free memory was 55.2MB in the beginning and 50.5MB in the end (delta: 4.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-24 18:08:25,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9bd27f98-8b26-41de-96f0-0032ad3f1f45/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)