./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:47,552 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:47,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-25 04:39:47,681 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:39:47,681 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:39:47,709 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:47,710 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:47,711 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:47,711 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:47,712 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:47,712 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:47,712 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:47,712 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:39:47,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:47,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:47,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:47,713 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:47,713 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:47,714 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:47,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:47,714 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:47,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:47,714 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:47,715 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:47,715 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:47,715 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:47,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:47,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:47,716 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:47,716 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:47,716 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:39:47,716 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:39:47,716 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_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 [2024-11-25 04:39:48,093 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:39:48,109 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:39:48,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:39:48,116 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:39:48,117 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:39:48,118 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2024-11-25 04:39:51,553 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/4041256f7/120246b812fc42c8acd71230890b63f3/FLAGb6a8c570e [2024-11-25 04:39:52,239 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:39:52,240 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2024-11-25 04:39:52,286 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/4041256f7/120246b812fc42c8acd71230890b63f3/FLAGb6a8c570e [2024-11-25 04:39:52,317 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/4041256f7/120246b812fc42c8acd71230890b63f3 [2024-11-25 04:39:52,319 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:39:52,321 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:39:52,322 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:52,323 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:39:52,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:39:52,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:52" (1/1) ... [2024-11-25 04:39:52,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bcdb17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:52, skipping insertion in model container [2024-11-25 04:39:52,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:39:52" (1/1) ... [2024-11-25 04:39:52,395 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:39:54,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:54,505 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:39:54,673 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:39:54,937 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:39:54,938 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54 WrapperNode [2024-11-25 04:39:54,938 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:39:54,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:54,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:39:54,939 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:39:54,946 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:54,970 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:54,993 INFO L138 Inliner]: procedures = 936, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 80 [2024-11-25 04:39:54,993 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:39:54,994 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:39:54,994 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:39:54,994 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:39:55,002 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,002 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,005 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,005 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,010 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,011 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,013 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,015 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:39:55,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:39:55,018 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:39:55,018 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:39:55,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:39:54" (1/1) ... [2024-11-25 04:39:55,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:55,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:39:55,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:39:55,074 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:39:55,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:39:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:39:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:39:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:39:55,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:39:55,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:39:55,234 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:39:55,235 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:39:55,368 INFO L? ?]: Removed 25 outVars from TransFormulas that were not future-live. [2024-11-25 04:39:55,369 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:39:55,403 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:39:55,404 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:39:55,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:55 BoogieIcfgContainer [2024-11-25 04:39:55,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:39:55,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:39:55,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:39:55,414 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:39:55,414 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:55" (1/1) ... [2024-11-25 04:39:55,423 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:39:55,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 04:39:55,471 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 04:39:55,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:39:55,475 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:55,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:55,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:55,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-11-25 04:39:55,728 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-11-25 04:39:55,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:39:55,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:55,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:39:55,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:39:55,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:39:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 20 states and 25 transitions. [2024-11-25 04:39:55,889 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-11-25 04:39:55,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 04:39:55,890 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:39:55,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:39:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 04:39:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:56,046 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:39:56,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:39:56,095 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-25 04:39:56,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:39:56 ImpRootNode [2024-11-25 04:39:56,131 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:39:56,133 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:39:56,133 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:39:56,133 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:39:56,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:39:55" (3/4) ... [2024-11-25 04:39:56,136 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:39:56,137 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:39:56,140 INFO L158 Benchmark]: Toolchain (without parser) took 3817.35ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 114.9MB in the beginning and 377.0MB in the end (delta: -262.1MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2024-11-25 04:39:56,140 INFO L158 Benchmark]: CDTParser took 0.52ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:56,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2616.09ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 92.3MB in the end (delta: 22.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. [2024-11-25 04:39:56,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.30ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:56,141 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:56,142 INFO L158 Benchmark]: RCFGBuilder took 385.93ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 73.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:39:56,142 INFO L158 Benchmark]: CodeCheck took 726.63ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 73.2MB in the beginning and 377.0MB in the end (delta: -303.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:56,142 INFO L158 Benchmark]: Witness Printer took 4.30ms. Allocated memory is still 419.4MB. Free memory was 377.0MB in the beginning and 377.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:39:56,148 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, 23 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 69 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 41 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 159 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 2 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, 0.2s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 1859]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1843. 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); [L1871] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={5:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1871] 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] [L1872] CALL CWE190_Integer_Overflow__int_fgets_square_15_bad() [L1834] int data; [L1835] data = 0 [L1838] case 6: 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] [L1838] case 6: [L1840] 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] [L1838] case 6: [L1843] data = atoi(inputBuffer) [L1857] case 7: VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-46341, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1859] data * 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 0.52ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2616.09ms. Allocated memory is still 142.6MB. Free memory was 114.7MB in the beginning and 92.3MB in the end (delta: 22.4MB). Peak memory consumption was 77.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.30ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 89.1MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 142.6MB. Free memory was 89.1MB in the beginning and 88.3MB in the end (delta: 788.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 385.93ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 73.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 726.63ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 73.2MB in the beginning and 377.0MB in the end (delta: -303.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.30ms. Allocated memory is still 419.4MB. Free memory was 377.0MB in the beginning and 377.0MB in the end (delta: 13.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:39:56,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:39:59,456 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:39:59,613 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-25 04:39:59,648 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:39:59,649 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:39:59,649 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:39:59,649 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:39:59,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:39:59,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:39:59,651 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:39:59,652 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:39:59,652 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:39:59,652 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:39:59,652 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:39:59,652 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:59,652 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:39:59,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:39:59,653 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:39:59,653 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:39:59,654 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_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d781dd7e1799455c731ceff1510bbd253f2e69e537692c29035a826a8ed3012 [2024-11-25 04:40:00,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:40:00,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:40:00,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:40:00,107 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:40:00,107 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:40:00,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2024-11-25 04:40:03,630 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/58111f8fe/02821799a0444a29b20be70e8a808bbb/FLAG9cdebea23 [2024-11-25 04:40:04,172 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:40:04,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_15_bad.i [2024-11-25 04:40:04,207 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/58111f8fe/02821799a0444a29b20be70e8a808bbb/FLAG9cdebea23 [2024-11-25 04:40:04,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/data/58111f8fe/02821799a0444a29b20be70e8a808bbb [2024-11-25 04:40:04,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:40:04,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:40:04,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:04,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:40:04,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:40:04,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:04" (1/1) ... [2024-11-25 04:40:04,249 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aad33ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:04, skipping insertion in model container [2024-11-25 04:40:04,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:40:04" (1/1) ... [2024-11-25 04:40:04,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:40:06,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:06,697 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:40:06,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:40:07,302 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:40:07,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07 WrapperNode [2024-11-25 04:40:07,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:40:07,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:07,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:40:07,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:40:07,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,392 INFO L138 Inliner]: procedures = 941, calls = 31, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2024-11-25 04:40:07,392 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:40:07,393 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:40:07,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:40:07,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:40:07,402 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,402 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,406 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,416 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,420 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,424 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,427 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:40:07,428 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:40:07,428 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:40:07,429 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:40:07,430 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:40:07" (1/1) ... [2024-11-25 04:40:07,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:40:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:40:07,472 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:40:07,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:40:07,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:40:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:40:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:40:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-25 04:40:07,512 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-25 04:40:07,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:40:07,736 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:40:07,738 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:40:10,582 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-25 04:40:10,582 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:40:10,645 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:40:10,645 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:40:10,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:10 BoogieIcfgContainer [2024-11-25 04:40:10,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:40:10,647 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:40:10,647 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:40:10,661 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:40:10,662 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:40:10" (1/1) ... [2024-11-25 04:40:10,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:40:10,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:10,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 04:40:10,753 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 04:40:10,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 04:40:10,759 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:10,760 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:10,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:10,766 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:10,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:40:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:10,944 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:40:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:40:11,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-25 04:40:11,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:40:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:40:11,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:40:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:40:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 26 transitions. [2024-11-25 04:40:11,166 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 04:40:11,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-25 04:40:11,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:40:11,167 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:40:11,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:40:11,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:40:11,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38feed1d-6c50-4689-af64-d67b1f95554d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process