./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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 bbc64fd25d0eb5fa31633a8c76dba801bfa80f4d9146ca588047e7c404032713 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:59:03,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:59:03,850 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:59:03,857 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:59:03,857 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:59:03,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:59:03,885 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:59:03,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:59:03,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:59:03,886 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:59:03,887 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:59:03,887 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:59:03,887 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:59:03,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:59:03,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:59:03,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:59:03,888 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:59:03,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:59:03,889 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:59:03,889 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:59:03,889 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:59:03,889 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:03,889 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:59:03,890 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:59:03,890 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:59:03,893 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:59:03,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:59:03,894 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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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 -> bbc64fd25d0eb5fa31633a8c76dba801bfa80f4d9146ca588047e7c404032713 [2024-11-13 16:59:04,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:59:04,290 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:59:04,294 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:59:04,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:59:04,296 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:59:04,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i Unable to find full path for "g++" [2024-11-13 16:59:06,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:59:06,778 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:59:06,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i [2024-11-13 16:59:06,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/65ea5def0/a6ffd43feb4d40b3ad221b2d629232b6/FLAG2ef6bee5d [2024-11-13 16:59:06,833 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/65ea5def0/a6ffd43feb4d40b3ad221b2d629232b6 [2024-11-13 16:59:06,836 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:59:06,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:59:06,839 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:06,839 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:59:06,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:59:06,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:06" (1/1) ... [2024-11-13 16:59:06,847 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42f58cd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:06, skipping insertion in model container [2024-11-13 16:59:06,848 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:06" (1/1) ... [2024-11-13 16:59:06,920 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:59:08,215 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:08,226 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:59:08,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:08,546 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:59:08,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08 WrapperNode [2024-11-13 16:59:08,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:08,550 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:08,551 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:59:08,551 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:59:08,557 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,587 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,619 INFO L138 Inliner]: procedures = 498, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 87 [2024-11-13 16:59:08,622 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:08,623 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:59:08,623 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:59:08,623 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:59:08,631 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,632 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,636 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,645 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,658 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:59:08,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:59:08,667 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:59:08,667 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:59:08,668 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:08" (1/1) ... [2024-11-13 16:59:08,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:08,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:59:08,710 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:59:08,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:59:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:59:08,737 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:59:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:59:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:59:08,738 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:59:08,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:59:08,900 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:59:08,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:59:09,059 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-11-13 16:59:09,059 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:59:09,102 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:59:09,102 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:59:09,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:09 BoogieIcfgContainer [2024-11-13 16:59:09,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:59:09,103 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:59:09,103 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:59:09,113 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:59:09,114 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:09" (1/1) ... [2024-11-13 16:59:09,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:59:09,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-13 16:59:09,168 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-13 16:59:09,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:59:09,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:09,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:09,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:09,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:09,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 27 states and 32 transitions. [2024-11-13 16:59:09,457 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-13 16:59:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:59:09,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:09,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:09,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:09,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:09,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:09,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 30 states and 37 transitions. [2024-11-13 16:59:09,760 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-13 16:59:09,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:59:09,761 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:09,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:09,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:09,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:09,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 31 states and 38 transitions. [2024-11-13 16:59:09,964 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2024-11-13 16:59:09,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:59:09,965 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:09,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:10,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:10,082 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 16:59:10,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:10,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 33 states and 40 transitions. [2024-11-13 16:59:10,096 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2024-11-13 16:59:10,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:59:10,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:10,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:59:10,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:10,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:10,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:10,283 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:10,334 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 16:59:10,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:59:10 ImpRootNode [2024-11-13 16:59:10,377 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:59:10,378 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:59:10,378 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:59:10,378 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:59:10,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:09" (3/4) ... [2024-11-13 16:59:10,382 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:59:10,383 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:59:10,386 INFO L158 Benchmark]: Toolchain (without parser) took 3546.78ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 90.6MB in the beginning and 277.4MB in the end (delta: -186.8MB). Peak memory consumption was 49.8MB. Max. memory is 16.1GB. [2024-11-13 16:59:10,387 INFO L158 Benchmark]: CDTParser took 1.55ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:10,387 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1710.68ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 81.1MB in the end (delta: 9.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 16:59:10,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.95ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:59:10,391 INFO L158 Benchmark]: Boogie Preprocessor took 40.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:10,391 INFO L158 Benchmark]: RCFGBuilder took 438.65ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 62.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:59:10,392 INFO L158 Benchmark]: CodeCheck took 1274.22ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 278.0MB in the end (delta: -215.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-11-13 16:59:10,392 INFO L158 Benchmark]: Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory was 278.0MB in the beginning and 277.4MB in the end (delta: 577.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:10,394 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, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 114 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 76 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 60 mSDtfsCounter, 77 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 285 GetRequests, 281 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 68 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. 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); [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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] [L1580] CALL CWE191_Integer_Underflow__int_fgets_postdec_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 [L1556] 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, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 [L1570] 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 1.55ms. Allocated memory is still 167.8MB. Free memory is still 103.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1710.68ms. Allocated memory is still 117.4MB. Free memory was 90.6MB in the beginning and 81.1MB in the end (delta: 9.5MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.95ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.5MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.49ms. Allocated memory is still 117.4MB. Free memory was 78.5MB in the beginning and 77.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 438.65ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 62.4MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1274.22ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.4MB in the beginning and 278.0MB in the end (delta: -215.6MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 5.41ms. Allocated memory is still 352.3MB. Free memory was 278.0MB in the beginning and 277.4MB in the end (delta: 577.0kB). 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 16:59:10,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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 bbc64fd25d0eb5fa31633a8c76dba801bfa80f4d9146ca588047e7c404032713 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:59:13,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:59:13,442 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:59:13,481 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:59:13,482 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:59:13,482 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:59:13,483 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:59:13,483 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:59:13,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:59:13,483 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:59:13,483 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:59:13,484 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:59:13,485 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:59:13,485 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:59:13,485 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:59:13,485 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:59:13,485 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:59:13,486 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:59:13,486 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:59:13,486 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:13,486 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:59:13,486 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:59:13,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:13,487 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:59:13,487 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:59:13,487 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:59:13,487 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:59:13,487 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:13,487 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:59:13,487 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_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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 -> bbc64fd25d0eb5fa31633a8c76dba801bfa80f4d9146ca588047e7c404032713 [2024-11-13 16:59:13,852 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:59:13,862 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:59:13,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:59:13,866 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:59:13,867 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:59:13,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i Unable to find full path for "g++" [2024-11-13 16:59:15,971 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:59:16,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:59:16,411 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_17_bad.i [2024-11-13 16:59:16,441 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/69c36bee2/0b06c56e2ca640ddbdcefe992701d9b6/FLAGc09974ac9 [2024-11-13 16:59:16,464 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/data/69c36bee2/0b06c56e2ca640ddbdcefe992701d9b6 [2024-11-13 16:59:16,467 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:59:16,469 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:59:16,470 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:16,470 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:59:16,475 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:59:16,476 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:16" (1/1) ... [2024-11-13 16:59:16,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@689811d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:16, skipping insertion in model container [2024-11-13 16:59:16,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:59:16" (1/1) ... [2024-11-13 16:59:16,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:59:17,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:17,730 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:59:17,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:59:18,055 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:59:18,055 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18 WrapperNode [2024-11-13 16:59:18,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:59:18,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:18,057 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:59:18,057 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:59:18,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,102 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,126 INFO L138 Inliner]: procedures = 503, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 86 [2024-11-13 16:59:18,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:59:18,127 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:59:18,127 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:59:18,127 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:59:18,138 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,141 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,142 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,149 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,152 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,154 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,159 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:59:18,160 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:59:18,160 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:59:18,160 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:59:18,161 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:59:18,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:59:18,196 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:59:18,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:59:18,224 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:59:18,225 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:59:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 16:59:18,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:59:18,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:59:18,226 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:59:18,416 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:59:18,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:59:18,619 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-13 16:59:18,619 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:59:18,697 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:59:18,697 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:59:18,697 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:18 BoogieIcfgContainer [2024-11-13 16:59:18,697 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:59:18,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:59:18,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:59:18,719 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:59:18,719 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:18" (1/1) ... [2024-11-13 16:59:18,727 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:59:18,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:18,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 26 states and 30 transitions. [2024-11-13 16:59:18,780 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-13 16:59:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 16:59:18,784 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:18,785 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:18,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:18,789 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:18,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:59:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:18,980 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,019 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:59:19,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:19,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:59:19,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:19,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 29 states and 37 transitions. [2024-11-13 16:59:19,181 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-11-13 16:59:19,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:59:19,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:19,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:19,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:19,184 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:19,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 16:59:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,330 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:19,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,374 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:59:19,375 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:19,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 16:59:19,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:19,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 16:59:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 16:59:19,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:59:19,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:19,391 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:19,398 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:19,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 16:59:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,525 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:19,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,548 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 16:59:19,549 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:19,554 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:59:19,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 16:59:19,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:19,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-13 16:59:19,569 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 16:59:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 16:59:19,570 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:19,570 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:19,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:19,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:19,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 16:59:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,733 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 16:59:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:59:19,780 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 16:59:19,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:59:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:59:19,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 16:59:20,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:59:20,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 32 states and 45 transitions. [2024-11-13 16:59:20,023 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 45 transitions. [2024-11-13 16:59:20,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:59:20,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:59:20,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:59:20,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:59:20,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:59:20,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 16:59:20,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:20,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:20,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:20,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:59:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:59:20,519 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:59:20,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:59:20,523 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-11-13 16:59:20,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:59:20 ImpRootNode [2024-11-13 16:59:20,563 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:59:20,565 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:59:20,565 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:59:20,565 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:59:20,566 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:59:18" (3/4) ... [2024-11-13 16:59:20,570 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:59:20,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:59:20,572 INFO L158 Benchmark]: Toolchain (without parser) took 4102.87ms. Allocated memory is still 83.9MB. Free memory was 57.1MB in the beginning and 40.9MB in the end (delta: 16.1MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-13 16:59:20,574 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:20,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1586.13ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.8MB in the end (delta: 4.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-11-13 16:59:20,575 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.15ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:20,576 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:20,576 INFO L158 Benchmark]: RCFGBuilder took 537.84ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 29.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:59:20,576 INFO L158 Benchmark]: CodeCheck took 1863.59ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 40.9MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:20,577 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 4.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:59:20,582 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, 26 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 116 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 75 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 90 IncrementalHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 55 mSDtfsCounter, 90 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 284 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 48 SizeOfPredicates, 0 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1559, overapproximation of large string literal at line 1579, overapproximation of fgets at line 1557. 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); [L1579] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={3:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1579] 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] [L1580] CALL CWE191_Integer_Underflow__int_fgets_postdec_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 [L1556] 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, i=0] [L1557] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1559] data = atoi(inputBuffer) [L1553] i++ VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, i=1] [L1553] COND FALSE !(i < 1) [L1567] j = 0 VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] [L1567] COND TRUE j < 1 [L1570] data-- VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, j=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 83.9MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1586.13ms. Allocated memory is still 83.9MB. Free memory was 56.8MB in the beginning and 51.8MB in the end (delta: 4.9MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.15ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.2MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 83.9MB. Free memory was 49.2MB in the beginning and 47.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 537.84ms. Allocated memory is still 83.9MB. Free memory was 47.3MB in the beginning and 29.6MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1863.59ms. Allocated memory is still 83.9MB. Free memory was 29.6MB in the beginning and 40.9MB in the end (delta: -11.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 83.9MB. Free memory was 40.9MB in the beginning and 40.9MB in the end (delta: 4.2kB). 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 16:59:20,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b07d63f-b154-4320-bf0f-f022e8c2e50c/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