./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm --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 1456520146b55fc1e958217ef7509552426c75ec92eb783b51ac67cf97945b6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:12:45,412 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:12:45,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 21:12:45,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 21:12:45,539 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 21:12:45,589 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:12:45,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:12:45,592 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:12:45,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:12:45,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:12:45,594 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:12:45,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:12:45,594 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 21:12:45,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:12:45,595 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:12:45,596 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:12:45,597 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:12:45,597 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:12:45,597 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:12:45,597 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:12:45,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:12:45,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:45,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:12:45,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:12:45,598 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:12:45,598 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 21:12:45,598 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 21:12:45,598 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_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm 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 -> 1456520146b55fc1e958217ef7509552426c75ec92eb783b51ac67cf97945b6b [2024-11-13 21:12:46,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:12:46,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:12:46,083 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:12:46,089 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:12:46,089 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:12:46,092 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i Unable to find full path for "g++" [2024-11-13 21:12:48,647 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:12:49,158 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:12:49,159 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i [2024-11-13 21:12:49,204 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/bcd514e14/f61d0c5d63c242fa9df1aeef23c88d4b/FLAG25013197f [2024-11-13 21:12:49,250 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/bcd514e14/f61d0c5d63c242fa9df1aeef23c88d4b [2024-11-13 21:12:49,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:12:49,255 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:12:49,257 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:49,257 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:12:49,263 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:12:49,264 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:49" (1/1) ... [2024-11-13 21:12:49,268 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@340a9fc4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:49, skipping insertion in model container [2024-11-13 21:12:49,269 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:49" (1/1) ... [2024-11-13 21:12:49,353 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:12:50,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:50,682 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:12:50,808 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:12:51,031 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:12:51,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51 WrapperNode [2024-11-13 21:12:51,032 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:51,035 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:51,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:12:51,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:12:51,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,121 INFO L138 Inliner]: procedures = 498, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 88 [2024-11-13 21:12:51,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:12:51,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:12:51,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:12:51,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:12:51,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,136 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,144 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,149 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,152 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:12:51,153 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:12:51,153 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:12:51,153 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:12:51,154 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:51,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:12:51,227 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:12:51,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:12:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:12:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:12:51,257 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:12:51,257 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:12:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:12:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:12:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:12:51,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:12:51,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:12:51,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 21:12:51,407 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:12:51,409 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:12:51,551 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 21:12:51,551 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:12:51,587 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:12:51,587 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:12:51,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:51 BoogieIcfgContainer [2024-11-13 21:12:51,587 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:12:51,588 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:12:51,588 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:12:51,598 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:12:51,599 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:51" (1/1) ... [2024-11-13 21:12:51,606 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:12:51,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:51,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 38 states and 46 transitions. [2024-11-13 21:12:51,658 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 46 transitions. [2024-11-13 21:12:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:12:51,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:51,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:52,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:52,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 42 states and 53 transitions. [2024-11-13 21:12:52,174 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-11-13 21:12:52,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:12:52,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:52,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:52,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:52,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 47 states and 61 transitions. [2024-11-13 21:12:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-11-13 21:12:52,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 21:12:52,535 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:52,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:52,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:52,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 63 transitions. [2024-11-13 21:12:52,766 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 63 transitions. [2024-11-13 21:12:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:12:52,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:52,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:12:52,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:12:53,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:12:53,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 52 states and 66 transitions. [2024-11-13 21:12:53,047 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-13 21:12:53,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 21:12:53,049 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:12:53,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 21:12:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:12:53,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:12:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:12:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:12:53,245 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:12:53,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:12:53,316 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 21:12:53,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:12:53 ImpRootNode [2024-11-13 21:12:53,352 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:12:53,353 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:12:53,353 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:12:53,353 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:12:53,354 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:12:51" (3/4) ... [2024-11-13 21:12:53,357 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:12:53,358 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:12:53,359 INFO L158 Benchmark]: Toolchain (without parser) took 4104.13ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 54.6MB in the end (delta: 25.5MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-11-13 21:12:53,359 INFO L158 Benchmark]: CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:12:53,360 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1775.39ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 60.8MB in the end (delta: 18.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-11-13 21:12:53,360 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.49ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:12:53,361 INFO L158 Benchmark]: Boogie Preprocessor took 29.13ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:12:53,361 INFO L158 Benchmark]: RCFGBuilder took 434.58ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 42.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 21:12:53,362 INFO L158 Benchmark]: CodeCheck took 1764.23ms. Allocated memory is still 109.1MB. Free memory was 42.1MB in the beginning and 54.6MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:12:53,362 INFO L158 Benchmark]: Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 6.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:12:53,365 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 4 procedures, 38 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 150 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 42 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 131 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 108 mSDtfsCounter, 131 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 484 GetRequests, 460 SyntacticMatches, 6 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1595, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE191_Integer_Underflow__int_fgets_postdec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() 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] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46ms. Allocated memory is still 83.9MB. Free memory is still 41.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1775.39ms. Allocated memory is still 109.1MB. Free memory was 79.7MB in the beginning and 60.8MB in the end (delta: 18.9MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.49ms. Allocated memory is still 109.1MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.13ms. Allocated memory is still 109.1MB. Free memory was 58.4MB in the beginning and 57.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.58ms. Allocated memory is still 109.1MB. Free memory was 57.2MB in the beginning and 42.1MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1764.23ms. Allocated memory is still 109.1MB. Free memory was 42.1MB in the beginning and 54.6MB in the end (delta: -12.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.20ms. Allocated memory is still 109.1MB. Free memory was 54.6MB in the beginning and 54.6MB in the end (delta: 6.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:12:53,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm --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 1456520146b55fc1e958217ef7509552426c75ec92eb783b51ac67cf97945b6b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 21:12:56,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 21:12:56,386 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 21:12:56,438 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 21:12:56,440 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 21:12:56,441 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 21:12:56,441 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 21:12:56,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 21:12:56,442 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 21:12:56,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 21:12:56,444 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 21:12:56,444 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 21:12:56,444 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 21:12:56,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 21:12:56,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 21:12:56,445 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 21:12:56,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 21:12:56,446 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 21:12:56,446 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 21:12:56,446 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 21:12:56,446 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:56,446 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 21:12:56,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 21:12:56,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:12:56,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 21:12:56,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 21:12:56,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 21:12:56,447 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 21:12:56,447 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 21:12:56,448 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 21:12:56,448 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_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm 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 -> 1456520146b55fc1e958217ef7509552426c75ec92eb783b51ac67cf97945b6b [2024-11-13 21:12:56,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 21:12:56,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 21:12:56,819 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 21:12:56,820 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 21:12:56,821 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 21:12:56,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i Unable to find full path for "g++" [2024-11-13 21:12:58,931 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 21:12:59,463 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 21:12:59,464 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_12_bad.i [2024-11-13 21:12:59,503 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/aca15405e/d03320563f0944d683364a7629c7c78f/FLAG4bfcd4748 [2024-11-13 21:12:59,525 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/data/aca15405e/d03320563f0944d683364a7629c7c78f [2024-11-13 21:12:59,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 21:12:59,531 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 21:12:59,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 21:12:59,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 21:12:59,539 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 21:12:59,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:59" (1/1) ... [2024-11-13 21:12:59,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ebe80c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:12:59, skipping insertion in model container [2024-11-13 21:12:59,542 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 09:12:59" (1/1) ... [2024-11-13 21:12:59,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 21:13:01,261 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:01,276 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 21:13:01,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 21:13:01,577 INFO L204 MainTranslator]: Completed translation [2024-11-13 21:13:01,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01 WrapperNode [2024-11-13 21:13:01,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 21:13:01,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:01,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 21:13:01,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 21:13:01,589 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,638 INFO L138 Inliner]: procedures = 503, calls = 32, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 85 [2024-11-13 21:13:01,638 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 21:13:01,639 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 21:13:01,639 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 21:13:01,639 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 21:13:01,647 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,651 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,661 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,663 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,671 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 21:13:01,672 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 21:13:01,672 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 21:13:01,672 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 21:13:01,674 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 09:13:01" (1/1) ... [2024-11-13 21:13:01,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 21:13:01,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 21:13:01,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 21:13:01,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 21:13:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2024-11-13 21:13:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2024-11-13 21:13:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2024-11-13 21:13:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2024-11-13 21:13:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 21:13:01,745 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 21:13:01,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 21:13:01,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 21:13:01,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 21:13:01,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 21:13:01,921 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 21:13:01,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 21:13:02,176 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-11-13 21:13:02,178 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 21:13:02,250 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 21:13:02,250 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 21:13:02,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:02 BoogieIcfgContainer [2024-11-13 21:13:02,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 21:13:02,252 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 21:13:02,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 21:13:02,264 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 21:13:02,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:02" (1/1) ... [2024-11-13 21:13:02,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 21:13:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:02,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 36 states and 44 transitions. [2024-11-13 21:13:02,341 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 44 transitions. [2024-11-13 21:13:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 21:13:02,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:02,347 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:02,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:02,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:02,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 21:13:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:02,610 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:02,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:13:02,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:02,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:02,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:02,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:02,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 39 states and 50 transitions. [2024-11-13 21:13:02,871 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2024-11-13 21:13:02,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:02,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:02,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:02,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:02,878 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:02,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 21:13:03,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:03,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:03,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:03,049 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 21:13:03,050 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:03,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:03,057 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 21:13:03,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 21:13:03,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 38 states and 49 transitions. [2024-11-13 21:13:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 49 transitions. [2024-11-13 21:13:03,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-13 21:13:03,082 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:03,083 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:03,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:03,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:03,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 21:13:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:03,258 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 21:13:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 21:13:03,301 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 21:13:03,302 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 21:13:03,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 21:13:03,351 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 21:13:03,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 21:13:03,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 40 states and 51 transitions. [2024-11-13 21:13:03,416 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 51 transitions. [2024-11-13 21:13:03,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 21:13:03,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 21:13:03,417 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 21:13:03,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 21:13:03,420 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 21:13:03,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 21:13:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:03,595 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:03,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 21:13:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 21:13:03,862 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 21:13:03,862 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2024-11-13 21:13:03,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 09:13:03 ImpRootNode [2024-11-13 21:13:03,909 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 21:13:03,910 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 21:13:03,910 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 21:13:03,911 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 21:13:03,912 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 09:13:02" (3/4) ... [2024-11-13 21:13:03,915 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 21:13:03,917 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 21:13:03,920 INFO L158 Benchmark]: Toolchain (without parser) took 4388.03ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 82.9MB in the end (delta: 6.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-11-13 21:13:03,921 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:03,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2046.50ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 77.3MB in the end (delta: 12.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. [2024-11-13 21:13:03,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:03,922 INFO L158 Benchmark]: Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:03,922 INFO L158 Benchmark]: RCFGBuilder took 579.56ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 54.5MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 21:13:03,923 INFO L158 Benchmark]: CodeCheck took 1656.63ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 83.6MB in the end (delta: -29.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-11-13 21:13:03,925 INFO L158 Benchmark]: Witness Printer took 7.14ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.9MB in the end (delta: 709.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 21:13:03,927 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 4 procedures, 36 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 47 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 65 mSDtfsCounter, 47 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 69 SizeOfPredicates, 0 NumberOfNonLiveVariables, 161 ConjunctsInSsa, 7 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1573]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558, overapproximation of large string literal at line 1595, overapproximation of fgets at line 1556. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1595] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={4:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1595] 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] [L1596] CALL CWE191_Integer_Underflow__int_fgets_postdec_12_bad() [L1550] int data; [L1551] data = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=0, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1552] RET globalReturnsTrueOrFalse() 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] [L1552] COND TRUE globalReturnsTrueOrFalse() [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; 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] [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1570] CALL globalReturnsTrueOrFalse() VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1520] return (rand() % 2); [L1570] RET globalReturnsTrueOrFalse() 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] [L1570] COND TRUE globalReturnsTrueOrFalse() [L1573] 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] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 83.9MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2046.50ms. Allocated memory is still 117.4MB. Free memory was 89.7MB in the beginning and 77.3MB in the end (delta: 12.3MB). Peak memory consumption was 66.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.67ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 74.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.46ms. Allocated memory is still 117.4MB. Free memory was 74.2MB in the beginning and 72.7MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 579.56ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 54.5MB in the end (delta: 18.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1656.63ms. Allocated memory is still 117.4MB. Free memory was 54.5MB in the beginning and 83.6MB in the end (delta: -29.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Witness Printer took 7.14ms. Allocated memory is still 117.4MB. Free memory was 83.6MB in the beginning and 82.9MB in the end (delta: 709.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 21:13:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14a0d6f-5391-495a-9810-20ba7a75470b/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample