./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_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_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/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_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/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_80d523da-46a6-4bbd-a3c9-c87004c70a74/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 93036265416429b373ea373de823e91b5bf11a4a7b4ecde3ac54ba80962f9402 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:41:47,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:41:47,920 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 22:41:47,926 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:41:47,927 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:41:47,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:41:47,954 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:41:47,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:41:47,955 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:41:47,955 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:41:47,955 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:41:47,955 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:41:47,955 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:41:47,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:41:47,957 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:41:47,957 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:41:47,960 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:41:47,960 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:41:47,960 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:41:47,960 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:41:47,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:41:47,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:41:47,961 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:41:47,961 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:41:47,961 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:41:47,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:41:47,962 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_80d523da-46a6-4bbd-a3c9-c87004c70a74/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 -> 93036265416429b373ea373de823e91b5bf11a4a7b4ecde3ac54ba80962f9402 [2024-11-13 22:41:48,406 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:41:48,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:41:48,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:41:48,431 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:41:48,432 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:41:48,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i Unable to find full path for "g++" [2024-11-13 22:41:50,609 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:41:51,262 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:41:51,262 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i [2024-11-13 22:41:51,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/66615d905/16450562e34243d4bdb463fd00a07cf5/FLAG0434d55e4 [2024-11-13 22:41:51,323 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/66615d905/16450562e34243d4bdb463fd00a07cf5 [2024-11-13 22:41:51,327 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:41:51,329 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:41:51,332 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:41:51,332 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:41:51,337 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:41:51,338 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:41:51" (1/1) ... [2024-11-13 22:41:51,339 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@285a8ab6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:51, skipping insertion in model container [2024-11-13 22:41:51,340 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:41:51" (1/1) ... [2024-11-13 22:41:51,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:41:52,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:41:52,355 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:41:52,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:41:52,656 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:41:52,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52 WrapperNode [2024-11-13 22:41:52,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:41:52,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:41:52,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:41:52,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:41:52,669 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,724 INFO L138 Inliner]: procedures = 499, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 74 [2024-11-13 22:41:52,725 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:41:52,726 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:41:52,726 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:41:52,726 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:41:52,733 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,734 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,740 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,740 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,756 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,759 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:41:52,763 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:41:52,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:41:52,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:41:52,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:41:52" (1/1) ... [2024-11-13 22:41:52,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:41:52,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:41:52,798 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:41:52,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:41:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:41:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:41:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:41:52,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:41:52,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:41:52,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:41:52,949 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:41:52,951 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:41:53,072 INFO L? ?]: Removed 24 outVars from TransFormulas that were not future-live. [2024-11-13 22:41:53,072 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:41:53,110 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:41:53,110 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:41:53,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:53 BoogieIcfgContainer [2024-11-13 22:41:53,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:41:53,112 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:41:53,112 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:41:53,121 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:41:53,121 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:53" (1/1) ... [2024-11-13 22:41:53,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:41:53,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:53,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:41:53,173 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:41:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:41:53,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:53,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:53,486 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 22:41:53,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 22:41:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 22:41:53,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:41:53,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:53,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:41:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:53,615 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:41:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:53,739 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:41:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:41:53,786 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:41:53,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:41:53 ImpRootNode [2024-11-13 22:41:53,822 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:41:53,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:41:53,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:41:53,824 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:41:53,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:41:53" (3/4) ... [2024-11-13 22:41:53,827 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:41:53,828 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:41:53,830 INFO L158 Benchmark]: Toolchain (without parser) took 2500.21ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 74.6MB in the end (delta: 15.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-13 22:41:53,831 INFO L158 Benchmark]: CDTParser took 1.27ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:53,831 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1326.74ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 81.9MB in the end (delta: 8.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 22:41:53,832 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.79ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:41:53,832 INFO L158 Benchmark]: Boogie Preprocessor took 37.26ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:53,835 INFO L158 Benchmark]: RCFGBuilder took 347.38ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:41:53,835 INFO L158 Benchmark]: CodeCheck took 710.85ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 74.6MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:53,836 INFO L158 Benchmark]: Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:41:53,837 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 53 GetRequests, 51 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1555] ++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 1.27ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1326.74ms. Allocated memory is still 117.4MB. Free memory was 90.4MB in the beginning and 81.9MB in the end (delta: 8.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.79ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 79.2MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.26ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 78.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 347.38ms. Allocated memory is still 117.4MB. Free memory was 78.0MB in the beginning and 63.6MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 710.85ms. Allocated memory is still 117.4MB. Free memory was 63.0MB in the beginning and 74.6MB in the end (delta: -11.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.98ms. Allocated memory is still 117.4MB. Free memory was 74.6MB in the beginning and 74.6MB in the end (delta: 9.8kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:41:53,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/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_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/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_80d523da-46a6-4bbd-a3c9-c87004c70a74/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 93036265416429b373ea373de823e91b5bf11a4a7b4ecde3ac54ba80962f9402 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:41:56,689 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:41:56,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 22:41:56,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:41:56,877 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:41:56,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:41:56,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:41:56,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:41:56,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:41:56,883 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:41:56,883 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:41:56,884 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:41:56,884 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:41:56,884 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:56,895 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:41:56,895 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:41:56,895 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:41:56,896 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:41:56,896 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:41:56,896 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:41:56,896 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:41:56,896 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:56,896 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:41:56,896 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_80d523da-46a6-4bbd-a3c9-c87004c70a74/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 -> 93036265416429b373ea373de823e91b5bf11a4a7b4ecde3ac54ba80962f9402 [2024-11-13 22:41:57,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:41:57,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:41:57,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:41:57,339 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:41:57,339 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:41:57,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i Unable to find full path for "g++" [2024-11-13 22:41:59,488 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:42:00,024 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:42:00,025 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_preinc_61_bad.i [2024-11-13 22:42:00,067 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/2a063a862/904bc731562d46faa12a1e72fdeccb92/FLAG96b95f46d [2024-11-13 22:42:00,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/data/2a063a862/904bc731562d46faa12a1e72fdeccb92 [2024-11-13 22:42:00,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:42:00,106 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:42:00,109 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:00,109 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:42:00,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:42:00,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:00" (1/1) ... [2024-11-13 22:42:00,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7aa0bd9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:00, skipping insertion in model container [2024-11-13 22:42:00,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:42:00" (1/1) ... [2024-11-13 22:42:00,213 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:42:01,740 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:01,759 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:42:01,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:42:02,136 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:42:02,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02 WrapperNode [2024-11-13 22:42:02,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:42:02,139 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:02,139 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:42:02,139 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:42:02,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,232 INFO L138 Inliner]: procedures = 504, calls = 28, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 72 [2024-11-13 22:42:02,234 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:42:02,235 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:42:02,236 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:42:02,236 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:42:02,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,250 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,254 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,273 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,281 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:42:02,282 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:42:02,282 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:42:02,282 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:42:02,283 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:42:02,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:42:02,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:42:02,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 22:42:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 22:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:42:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:42:02,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:42:02,563 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:42:02,566 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:42:02,745 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-13 22:42:02,745 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:42:02,807 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:42:02,807 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 22:42:02,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:02 BoogieIcfgContainer [2024-11-13 22:42:02,808 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:42:02,809 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:42:02,809 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:42:02,823 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:42:02,823 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:02" (1/1) ... [2024-11-13 22:42:02,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:42:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-11-13 22:42:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-11-13 22:42:02,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:42:02,901 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:02,902 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:02,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:02,906 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:02,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:42:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:03,197 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:42:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:42:03,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:42:03,277 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:42:03,303 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 22:42:03,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:42:03,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:03,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2024-11-13 22:42:03,337 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2024-11-13 22:42:03,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:42:03,338 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:03,338 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:03,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:03,341 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:03,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:42:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:03,578 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:03,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:03,764 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:42:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:42:03,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:42:03,828 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 22:42:03,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:42:03 ImpRootNode [2024-11-13 22:42:03,873 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:42:03,874 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:42:03,874 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:42:03,874 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:42:03,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:42:02" (3/4) ... [2024-11-13 22:42:03,880 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 22:42:03,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:42:03,885 INFO L158 Benchmark]: Toolchain (without parser) took 3776.96ms. Allocated memory is still 117.4MB. Free memory was 89.0MB in the beginning and 63.8MB in the end (delta: 25.2MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-11-13 22:42:03,885 INFO L158 Benchmark]: CDTParser took 3.93ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:03,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2029.01ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.7MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 22:42:03,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 95.84ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:03,887 INFO L158 Benchmark]: Boogie Preprocessor took 45.98ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 62.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:03,887 INFO L158 Benchmark]: RCFGBuilder took 525.97ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 45.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:42:03,888 INFO L158 Benchmark]: CodeCheck took 1064.29ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 63.9MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:03,892 INFO L158 Benchmark]: Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:42:03,895 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, 16 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 11 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 SizeOfPredicates, 0 NumberOfNonLiveVariables, 53 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 1555]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1574, overapproximation of large string literal at line 1563, overapproximation of fgets at line 1572. 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); [L1563] CALL printLine("Calling bad()...") VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, \old(line)={1:0}, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1563] 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] [L1564] CALL CWE190_Integer_Overflow__int_fgets_preinc_61_bad() [L1551] int data; [L1552] data = 0 [L1553] CALL, EXPR CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1571] 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] [L1572] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1574] data = atoi(inputBuffer) [L1581] return data; [L1553] RET, EXPR CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1553] data = CWE190_Integer_Overflow__int_fgets_preinc_61b_badSource(data) [L1555] ++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 3.93ms. Allocated memory is still 117.4MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 2029.01ms. Allocated memory is still 117.4MB. Free memory was 88.8MB in the beginning and 66.7MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 95.84ms. Allocated memory is still 117.4MB. Free memory was 66.7MB in the beginning and 63.7MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 45.98ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 62.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 525.97ms. Allocated memory is still 117.4MB. Free memory was 62.2MB in the beginning and 45.1MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 1064.29ms. Allocated memory is still 117.4MB. Free memory was 45.1MB in the beginning and 63.9MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 7.87ms. Allocated memory is still 117.4MB. Free memory was 63.9MB in the beginning and 63.8MB in the end (delta: 42.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 22:42:03,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_80d523da-46a6-4bbd-a3c9-c87004c70a74/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