./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:40:52,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:40:52,476 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-13 16:40:52,480 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:40:52,481 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:40:52,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:40:52,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:40:52,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:40:52,503 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:40:52,503 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:40:52,503 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:40:52,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:40:52,505 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:40:52,505 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:52,505 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:40:52,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:40:52,506 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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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 -> 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b [2024-11-13 16:40:52,812 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:40:52,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:40:52,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:40:52,828 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:40:52,828 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:40:52,830 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i Unable to find full path for "g++" [2024-11-13 16:40:54,732 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:40:55,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:40:55,135 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i [2024-11-13 16:40:55,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/cdbd1cfbc/36b7cbc7d64b40268ae73bd909231f02/FLAG741275d3b [2024-11-13 16:40:55,294 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/cdbd1cfbc/36b7cbc7d64b40268ae73bd909231f02 [2024-11-13 16:40:55,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:40:55,298 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:40:55,299 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:55,299 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:40:55,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:40:55,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:55" (1/1) ... [2024-11-13 16:40:55,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e3d61d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:55, skipping insertion in model container [2024-11-13 16:40:55,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:40:55" (1/1) ... [2024-11-13 16:40:55,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:40:56,175 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:56,184 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:40:56,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:40:56,476 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:40:56,478 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56 WrapperNode [2024-11-13 16:40:56,478 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:40:56,480 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:56,480 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:40:56,480 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:40:56,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,546 INFO L138 Inliner]: procedures = 497, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 16:40:56,546 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:40:56,547 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:40:56,547 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:40:56,547 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:40:56,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,563 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,567 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,569 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,570 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:40:56,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:40:56,574 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:40:56,574 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:40:56,575 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:40:56,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:40:56,614 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:40:56,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:40:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:40:56,648 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:40:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:40:56,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:40:56,649 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:40:56,794 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:40:56,796 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:40:56,900 INFO L? ?]: Removed 19 outVars from TransFormulas that were not future-live. [2024-11-13 16:40:56,901 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:40:56,965 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:40:56,965 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:40:56,965 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:56 BoogieIcfgContainer [2024-11-13 16:40:56,965 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:40:56,966 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:40:56,966 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:40:56,976 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:40:56,977 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:56" (1/1) ... [2024-11-13 16:40:56,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:40:57,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:57,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 16:40:57,043 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 16:40:57,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:40:57,048 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:40:57,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:40:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:57,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:57,273 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:40:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:40:57,309 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:40:57,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:57 ImpRootNode [2024-11-13 16:40:57,343 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:57,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:57,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:57,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:57,344 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:40:56" (3/4) ... [2024-11-13 16:40:57,346 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:40:57,349 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:57,350 INFO L158 Benchmark]: Toolchain (without parser) took 2052.51ms. Allocated memory is still 117.4MB. Free memory was 89.6MB in the beginning and 50.6MB in the end (delta: 39.0MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB. [2024-11-13 16:40:57,351 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:57,351 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1179.20ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:57,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.09ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:57,352 INFO L158 Benchmark]: Boogie Preprocessor took 26.09ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.7MB in the end (delta: 579.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:57,352 INFO L158 Benchmark]: RCFGBuilder took 391.86ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:57,355 INFO L158 Benchmark]: CodeCheck took 376.61ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:40:57,357 INFO L158 Benchmark]: Witness Printer took 6.20ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 585.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:57,359 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --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 0.27ms. Allocated memory is still 117.4MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1179.20ms. Allocated memory is still 117.4MB. Free memory was 89.3MB in the beginning and 81.1MB in the end (delta: 8.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.09ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 78.3MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.09ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 77.7MB in the end (delta: 579.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 391.86ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 64.5MB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 376.61ms. Allocated memory is still 117.4MB. Free memory was 64.5MB in the beginning and 51.2MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 6.20ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 50.6MB in the end (delta: 585.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:40:57,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:41:00,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:41:00,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-64bit-Kojak_Bitvector.epf [2024-11-13 16:41:00,164 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:41:00,165 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:41:00,165 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:41:00,166 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:41:00,166 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:41:00,166 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:41:00,167 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:41:00,167 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:41:00,168 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:41:00,169 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 16:41:00,169 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:00,169 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:41:00,169 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:41:00,170 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:41:00,170 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 16:41:00,170 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:00,170 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 16:41:00,170 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_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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 -> 5ff84a25f79d7ca7b95b5470e8a3910bea18b0f973621a03c0e9875fde66ac3b [2024-11-13 16:41:00,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:41:00,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:41:00,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:41:00,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:41:00,491 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:41:00,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i Unable to find full path for "g++" [2024-11-13 16:41:02,453 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:41:02,848 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:41:02,849 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_predec_02_bad.i [2024-11-13 16:41:02,889 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/bd0bee17c/71c9825c316145a0887f8b49f9438d21/FLAGdeecff795 [2024-11-13 16:41:02,911 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/data/bd0bee17c/71c9825c316145a0887f8b49f9438d21 [2024-11-13 16:41:02,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:41:02,916 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:41:02,919 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:02,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:41:02,925 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:41:02,926 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:02" (1/1) ... [2024-11-13 16:41:02,927 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@644f0bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:02, skipping insertion in model container [2024-11-13 16:41:02,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:41:02" (1/1) ... [2024-11-13 16:41:02,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:41:04,050 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:04,064 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:41:04,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:41:04,419 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:41:04,420 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04 WrapperNode [2024-11-13 16:41:04,420 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:41:04,422 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:04,422 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:41:04,423 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:41:04,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,508 INFO L138 Inliner]: procedures = 502, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2024-11-13 16:41:04,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:41:04,509 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:41:04,509 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:41:04,509 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:41:04,518 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,520 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,529 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,530 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,553 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,558 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,563 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:41:04,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:41:04,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:41:04,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:41:04,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:41:04" (1/1) ... [2024-11-13 16:41:04,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:41:04,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:41:04,623 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:41:04,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:41:04,658 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2024-11-13 16:41:04,658 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2024-11-13 16:41:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:41:04,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:41:04,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:41:04,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:41:04,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:41:04,996 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-13 16:41:04,996 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:41:05,061 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:41:05,062 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:41:05,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:05 BoogieIcfgContainer [2024-11-13 16:41:05,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:41:05,063 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:41:05,064 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:41:05,076 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:41:05,076 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:05" (1/1) ... [2024-11-13 16:41:05,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:41:05,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:41:05,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2024-11-13 16:41:05,145 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2024-11-13 16:41:05,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:41:05,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:41:05,154 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 16:41:05,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 16:41:05,156 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 16:41:05,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 16:41:05,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:05,350 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:05,476 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:41:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:41:05,554 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 16:41:05,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 16:41:05,559 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-13 16:41:05,598 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:41:05 ImpRootNode [2024-11-13 16:41:05,598 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:41:05,600 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:41:05,600 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:41:05,601 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:41:05,602 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:41:05" (3/4) ... [2024-11-13 16:41:05,605 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:41:05,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:41:05,607 INFO L158 Benchmark]: Toolchain (without parser) took 2690.75ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 88.1MB in the beginning and 242.8MB in the end (delta: -154.7MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2024-11-13 16:41:05,610 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:05,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1502.31ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 65.8MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2024-11-13 16:41:05,611 INFO L158 Benchmark]: Boogie Procedure Inliner took 86.53ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:05,611 INFO L158 Benchmark]: Boogie Preprocessor took 60.20ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:05,611 INFO L158 Benchmark]: RCFGBuilder took 492.38ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 45.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:41:05,612 INFO L158 Benchmark]: CodeCheck took 534.57ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 45.9MB in the beginning and 243.5MB in the end (delta: -197.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-11-13 16:41:05,612 INFO L158 Benchmark]: Witness Printer took 6.22ms. Allocated memory is still 276.8MB. Free memory was 243.5MB in the beginning and 242.8MB in the end (delta: 696.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:41:05,619 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, 13 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 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, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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: 1559]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of large string literal at line 1568. 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); [L1568] 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) [L1568] 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] [L1569] CALL CWE191_Integer_Underflow__int_min_predec_02_bad() [L1550] int data; [L1551] data = 0 [L1554] data = (-0x7fffffff - 1) VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, data=-2147483648, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1559] --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 0.38ms. Allocated memory is still 117.4MB. Free memory is still 83.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1502.31ms. Allocated memory is still 117.4MB. Free memory was 87.9MB in the beginning and 65.8MB in the end (delta: 22.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 86.53ms. Allocated memory is still 117.4MB. Free memory was 65.8MB in the beginning and 63.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 60.20ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 61.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 492.38ms. Allocated memory is still 117.4MB. Free memory was 61.8MB in the beginning and 45.9MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 534.57ms. Allocated memory was 117.4MB in the beginning and 276.8MB in the end (delta: 159.4MB). Free memory was 45.9MB in the beginning and 243.5MB in the end (delta: -197.6MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. * Witness Printer took 6.22ms. Allocated memory is still 276.8MB. Free memory was 243.5MB in the beginning and 242.8MB in the end (delta: 696.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 16:41:05,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e0ebb09-1f0f-462d-a1e9-65abb9a319e2/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